Whether youre using shop-bought or homemade products, you may experience a tingly scalp after use. In addition, it is known for its anti-inflammatory and antimicrobial properties. This is why pregnant and menstruating women are advised against using castor oil as a laxative. This online platform has become a resource for positive images of women with textured hair and useful hair care advice. "If you are experiencing hair loss, it is always best to speak with a board-certified dermatologist to determine the best treatment options.". Can it really help with growing out hair? Used in both, the Indian and the African . This website uses cookies to improve your experience while you navigate through the website. Well, there you have it. Perfect for. Some people mix castor oil with another liquid or flavored drink to counteract the strong . Texture: Castor . Exaggerated or undesirable response of the immune system that occurs within 24 hours of exposure to an allergen or irritant. Several side effects of castor oil may make you think twice about using it. The burning sensation is from the allyl isothiocyanate stimulating receptor in the area. Castor oil, TOXNET, US National Library of Medicine, US Department of Health and Human Services. These can occur on the site where the oil is applied (5). Pros: affordable; made with natural hair in mind; refugee-owned brand; charitable brand; good for all curl patterns, Best Castor Oil Deep Conditioning Treatment. Dr. Garshick adds that some of its benefits include acting as a humectant to help draw moisture into the skin and that it has anti-inflammatory and antibacterial properties, which may help improve overall skin, scalp, and hair health. Animal studies found that castor oil was mildly irritating to the skin of the test subjects. Around 90% of the oil is comprised of ricinoleic acid, which is its primary healing agent (1). Once the scalp is free of impurities, your follicles can function much better and reap the benefits of the nutrients and minerals found in the oil resulting in healthier hair. Dori Price is a New York City-based freelance writer and editor and beauty, style and wellness expert who was the Beauty & Fashion Director at Family Circle for 13 years before she joined Good Housekeeping, Prevention and Womans Day as a freelance beauty editor. It has a deep golden colour which is rich in fatty acids, antioxidants and vitamin E. It is very healthy for the hair and is one of the best oils for rapid hair growth. Here are some side effects you might want to watch out for. It has a notably high fatty-acid content (around 85 to 95% ricinoleic acid 1, in fact), plus antioxidants and minerals aplenty. If you suffer from Androgenetic Alopecia (AGA), you have a sensitivity to DHT. The only oil i use now is coconut oil, and i never apply it directly to my scalp excpt during hot oil prepoo treatments. Biotin also improves the health and shine of skin and nails. In both cases, its best to seek out the help of a medical professional. The maple syrup is a natural antibacterial, and is also soothes and nourishes. "For those with fine or thin hair, though, theyll probably prefer to use it as a pre-wash treatment as above, washing out so as to avoid weighing hair down and a greasy appearance.". retailers. I am living in Jamaica and i use Jamaican black castor oil and it itch my scalp that i of to sit in front of the fan to cool it down. I started Hairguard because I was losing my hair and nothing I tried seemed to help. What tricks have you used to deal with it? In short, much like a hair growth shampoo, while castor oil alone won't cure hair loss or thinning, it can support hair health, plus make your scalp a better environment for hair growth and. ", NYC-based dermatologist and hair loss specialist Dhaval G. Bhanusali, M.D. Well this blog will explain. Shake to mix. Many have cited the ingredient as the reason for their longer, thicker hair, but with little science or proof to back the oil up. Madhu Sharma is a member of the National Executive Committee of IDA. It's possible my skin didn't like the castor oil or the coconut oil. Can you leave peppermint oil on your scalp overnight? Castor oil is not for all skin types. "Its very important to note that this study was speculative; the ricinoleic acid was not actually tested on humans or animals," Butler explains. Vote for your favorite beauty products now! So to avoid its adverse reactions, one should use it in recommended dosage. This is usually followed by related symptoms such as numbness, itching, and burning but can also occur alone depending on the cause. One such external reaction is skin tingling, burning, or pain. A Comparison of the Efficacy, Adverse Effects, and Patient Compliance of the Sena-GraphSyrup and Castor Oil Regimens for Bowel Preparation, Iranian Journal of Pharmaceutical Research, US National Library of Medicine, National Institutes of Health. If you still want to participate, but don't want to leave the Castor oil in your scalp, try prepooing with it i.e. Whether allergies are the cause, or youre suffering from dandruff or a similar scalp condition, a gentle cleansing shampoo can be the answer to your problems. This is a condition that causes sufferers to feel stinging, burning, or itching when no obvious cause is present. While castor oil is considered safe in small doses, larger amounts can cause abdominal cramping, nausea, vomiting, and diarrhea ( 2, 5 ). Let sit for 5 minutes so the . Enter Chimichurri Mint Tingle Intense Repair Shampoo. 2. So, if you have sensitive or allergic skin, run a patch test on your arm before applying . Aside from the flaking and itching that accompany the condition, scalp tingling is also a sign of dandruff. No, really! In this case, the idea is simply to keep it away from the scalp so that youre not affected by the itching. She is a member of the American Academy of Dermatology, American Society for Dermatologic Surgery, Womens Dermatologic Society, Georgia Society of Dermatology and Dermatologic Surgery, Atlanta Association for Dermatology, and Dermatologic Surgery and the National Medical Society. 15 to 20 minutes Massage the oil into your scalp. 2. Prevents Scalp Infection When your scalp is not getting the essential nutrients, it will undoubtedly become home to various harmful microbes. Yes, you can leave peppermint oil on your hair overnight. But ricinoleic acid in it may aggravate the condition of patients with pre-existing skin conditions (2). He specializes Professional Certificate In Food, Nutrition & Health. Nevertheless, some put this age-old traditional medicine remedy on their scalp to moisturize the skin, reduce dandruff, and improve hair smoothness, strength, and shine. Consumers are smarter, and brands are working harder. A medical procedure in which the colon is examined with a flexible fiber-optic camera inserted through the anus. All Rights Reserved. Dr. Garshick says you can massage a small amount of castor oil directly onto the scalp and leave it on for about 15 to 20 minutes before rinsing out your shampoo. While your primary care physician may be able to help, a dermatologist is likely more familiar with the condition. If the menthol sensation gets too intense for you, add other oils to balance the effect or wash your scalp with shampoo immediately. Also, good castor oil is odorless. As castor oil is a potent laxative, its overdose may trigger muscle cramps. This includes hair products, such as shampoos and serums. $9.99 $ 9. You often hear about the benefits of .css-1me6ynq{-webkit-text-decoration:underline;text-decoration:underline;text-decoration-thickness:0.0625rem;text-decoration-color:#125C68;text-underline-offset:0.25rem;color:#125C68;-webkit-transition:all 0.3s ease-in-out;transition:all 0.3s ease-in-out;}.css-1me6ynq:hover{color:#595959;text-decoration-color:#595959;}beauty oils for your hair, nails and skin. As stress levels rise, so do too stress chemicals and hormones. For centuries, pregnant women at full term have taken it orally to help speed up uterus contractions. In addition, castor oil also has moisturizing, antibacterial, and anti-fungal properties thanks to the ricinoleic acid, making it beneficial to both your scalp and strands, according to the International Journal of Trichology article. In better news, Romanowski says that castor oil is not damaging to the hair and can provide some conditioning that improves the flexibility of the hair fiber. It is an age-old ingredient (it's over 4,000 years old!) Castor oil supplements are usually in the form of gelatinous capsules. As mentioned above, there are many causes of scalp paresthesia. Why Everyone Is So Obsessed With the HydraFacial. It can also cause intestinal cramps and abdominal pain if taken on an empty stomach (6), (7). We asked the experts if you can spritz your way to glowier skin. Information contained on this website has not been evaluated by any medical body such as the Food & Drug Administration. apply oil to scalp & hair, massage (3-5 mins), and leave in for 30-45 mins. The oil has a yellow-greenish appearance. "It also contains castor oil, lavender, rosemary, aloe vera extract, and peppermint to encourage hair growth. So the two oils will basically work together to improve scalp health and, by extension, hair health. They make many varieties of Head and Shoulders such as extra moisture etc. 3. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. We love Shea Moisture for their moisturizing line of hair products, and this option is no different. It went on for months, finally I couldnt take it so I used organic apple cider vinegar and poured it on my hair and it arrested the itching immediately!! However, if left untreated, other causes (such as dandruff and seborrheic dermatitis) can eventually lead to hair issues. One is controlled breathing (such as that practiced in meditation and yoga), and this can be done anywhere, at anytime. It may also induce contractions of the womb (uterus) in some cases (7). We also use third-party cookies that help us analyze and understand how you use this website. You may want to check your shampoo, some shampoos may have ingredients that irritate your scalp and cause itching. We were, too. For others, the sensation may be a bit intense. Factors that can lead to a tingling in scalp are allergies that are caused due to a specific brand or ingredient of shampoo, soap or any other hair care product, including hair dye. ", Dr. Garshick agrees, and notes that all that's really known about castor oil for hair growth is that the ricinoleic acid found in it may boost circulation in the scalp and subsequently promote healthier and stronger hair but this is all speculative at this point. Otherwise, the tingling feeling these oils create when diluted properly is a result of the antiseptic and stimulating properties of the oils.". The oil mostly contains triglyceridei XA type of converted fat stored in your blood and used by the body to give energy between meals s. The major ingredient is ricinoleic acid, a monounsaturated fatty acid with anti-inflammatory properties. How can burning be good along with itching? Then, mix it. Always use a carrier oil to dilute them to a concentration of no more than 3-5%. Castor oil, however, does not contain ricin, as the process of oil extraction heats up the protein to such an extent as to denature and inactivate it. You may feel a tingling, minty sensation. The technology behind hair growth and hair loss treatments has improved in recent years, too, though it's worth noting that some of these treatments can be expensive and unsustainable. For some, this can be soothing. Another stress-reducing activity is exercise. Kingsley suggests using a pre-shampoo conditioning treatment containing castor oil (she recommends Philip Kingsley's Elasticizer, which contains a blend of castor and olive oil). Pour over wet scalp, and lather into hair. This refugee-founded company is particularly popular among women with curly hair, several of whom write that this conditioner keeps their curls defined, bouncy, and healthy. Inform the doctor if subjects experience hives, dizziness, difficulty in breathing, tiredness, chest pain, and/or irregular heartbeat (8). She has also written for WomensHealthMag.com, Elle.com and HealthCentral.com. So test your level of sensitivity to the oils first. To get a real definitive answer on this popular hair growth method, we turned to the experts. Without legitimate clinical evidence, there's no way of telling whether castor oil is the hair-care cure-all some people claim it is. Olive Oil Vs. A treatment shampoo that tackles both the health of your strands and your scalp. In cases of chronic stress, however, you may experience more frequent flexing of the muscle and, therefore, more tinglng of the scalp and body. This practice can result in severe intestinal damage, diarrhea, pneumonia, and malnutrition (9). Regular use promotes hair growth. Coconut oil is packed with fatty acids that can improve hair health. Certain ingredients including peppermint and menthol can stimulate the scalp and give off a tingly and/or cooling sensation. (3). Dr. Clay is passionate about preventing skin cancer and providing high-quality care to oft-overlooked patients of color, and is currently based in Atlanta. While there isnt much in the way to scientifically support this claim, many sufferers of AGA complain of this very side effect. It can affect the way you feel things, and can cause numbness, tingling, and pain. She has worked extensively in the e-commerce and sales spaces since 2020, including two years at Drizly, where she developed an expertise in finding the best, highest quality goods and experiences money can buy. An anti dandruff shampoo like Head and Shoulders will help. And for good reason: they can help with hydration, strengthening, healing and more. "Castor oil can help to condition hair strands and increase shine and hydration," explains Dr. Rebecca Marcus, a board-certified dermatologist and founder of MaeiMD. In short, much like a hair growth shampoo, while castor oil alone won't cure hair loss or thinning, it can support hair health, plus make your scalp a better environment for hair growth and retention in the long-term. The tl;dr: no. Kingsley adds that "the benefits of castor oil relate to the impact it can have on the condition, feel and appearance of hair that has already grown. So, if you can be a soldier and deal with it for a bit, thats probably a good way to go. This may result in skin irritation and gut issues (2). "There is no conclusive evidence that castor oil can promote hair regrowth," she says. No, rosemary oil does not make your scalp tingle. The International Journal of Toxicology reports that castor oil is considered a safe product, but animal studies have shown that pure castor oil can be severely irritating to exposed skin. However, most patients fail to tolerate its aftertaste and oily texture. Dr. Garshick adds that some of its benefits include acting as a humectant to help draw moisture into the skin and that. More than 90% of castor oil's fatty acid content is ricinoleic acid. Eradicates Dandruff: Save. If you need help purchasing a product directly from Allure, go to our FAQ. Castor oil is not a significant skin irritant or sensitizer in human clinical tests. She's also written about sex, gender, and politics for publications like The New York Times, Bustle, and HuffPost Personal since 2018. A natural solution for hair and scalp health. It is also important to note that olive oil is not a cure-all for skin-related conditions, and should not be used as . Any suggestion for dandruff? Castor oil overdose may trigger nausea. It can do wonders and make your hair and scalp healthy. Heres how it works. And that's where castor oil comes into play. Heck, the certified organic oil works wonders on rough heels and dry elbows, too. I am so glad i found this site. Soy Protein Vs. Whey Protein: Pros And Con Soy Protein Vs. Whey Protein: Pros And Cons + Which Is Better. "The thinking is that castor oil increases blood flow to the scalp and reduces inflammation, both of which are beneficial for hair growth," Dr. Amin explains. Lets take a look at three such conditions and their relation to a tingling scalp. The ricinoleic acid and omega-6 essential fatty acids present in castor oil help to improve blood circulation to the scalp, thus encouraging hair growth. The content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. CASTOR OIL liquid, DAILYMED, US National Library of Medicine. Tea tree oil also has stimulating properties, which help increase blood flow to the scalp and create a healthy environment for hair growth. Get a head start every morning and experience the tingle of invigorating tea tree oil, peppermint and . Dr. Lets take a look at some of the most common causes. Highlights. Scalp Tingle with Hair Loss: Are The Two Connected? Use the dropper to apply to the scalp. agrees. The Egyptians must be credited for recognizing its benefits and putting them to use. It has a characteristic odor and a nauseating taste. Excessive consumption of castor oil supplements may cause diarrhea, nausea, and abdominal cramps. 16 Unique Benefits Of Jamaican Black Castor Oil & Precautions, Coconut Oil Side Effects: High Cholesterol, Diarrhea, And More. Enter your name and email to receive our FREE eBook: Juicy Hair: 7 Ways to Keep Your Hair From Being Dry. But before you write off castor oil as yet another beauty fad, consider that this ingredient has a centuries-long history that dates all the way back to ancient Egypt. In addition, both internal and topical castor oil has been linked with other side effects. While they may do what they say on the bottle (such as volumize or moisturize), they can also cause irritation and even indirectly lead to hair thinning and loss. In addition, the castor oil moisturizes and hydrates, and this can put an end to any itching or tingling of the scalp. As evidence of its popularity, castor seeds have been discovered in pyramids dating to 4000 BC. India, Brazil, and China are the primary producers of castor oil. Hair growth. We'll assume you're ok with this, but you can opt-out if you wish. One can also use it as a deep-conditioning treatment to protect the hair. Though it's often touted as an all-natural "panacea" (go ahead, Google it: you'll find article after article about how the viscous oil can help with a myriad of issues like shedding, breakage, and regrowth), that may not be the case. Consult a doctor before taking the plunge (10). Some people may experience a tingling sensation when they first use rosemary oil on their scalp. This is the castor oil I use, and I love the way it makes my hair shinier and noticeably less frizzy. This soothing transdermal oil is chemical-free has anti-inflammatory properties. Mix a tablespoon of castor oil with olive oil and the juice of half a lemon. I have an itchy scalp anyway and JBCO does not help at all. Read the sections below to know what they are, and what possibly causes them. The dose of castor oil used to treat constipation in adults is 15 milliliters. Castor oil contains omega-3 fatty acids which help in moisturising and hydrating your scalp. Castor oil is one of the most widely used hair oils, thanks to its ability to lock in a ton of moisture while also promoting a clean and healthy scalp. There is no research stating that castor oil could be bad for your hair. Bottle 264. The material on this site may not be reproduced, distributed, transmitted, cached or otherwise used, except with the prior written permission of Cond Nast. Castor oil is classified by the Food and Drug Administration (FDA) as generally recognized as safe (GRAS) and effective for use as a laxative. oz. There is one study that was performed in silico meaning simulated in a computer program which showed that ricinoleic acid, a component of castor oil, may act similarly to prostaglandin analogues, which are known drugs for counteracting hair loss. Visit her site, ToBNatural.com. The peppermint will leave your scalp tingling - truly the best feeling ever! Claire Jordan Worked at National Health Service (NHS) Author has 47.7K answers and 338.8M answer views 1 y Related Madhu Sharma is a member of the National Executive Committee of IDA. Copyright 2011 - 2023 IncNut Stylecraze Private Limited. One reviewer raves that this product is the first that's been able to soothe her and her children's itchy, dry scalps, calling it a "life saver. So, you want longer hair and you've stumbled upon an internet hack that claims to help you do that. SAUCE BEAUTY Island Marinade Shampoo with Black Castor Oil - 10 fl. And if you're not comfortable using pure castor oil for fear of overdoing it, there are a number of less intense options, including shampoos, conditioners, hair masks, and serums. There is a reason why this oil is called 'liquid gold.'. The certified organic oil works does castor oil make your scalp tingle on rough heels and dry elbows, too a significant skin or. The itching and, by extension, hair health apply oil to dilute them to tingling... Patients fail to tolerate its aftertaste and oily texture supplements may cause diarrhea, pneumonia, and but! People may experience a tingling sensation when they first use rosemary oil does not your! Called & # x27 ; in this case, the castor oil into. So that youre not affected by the itching where castor oil I use, and are..., which is its primary healing agent ( 1 ) for centuries, pregnant women at full term taken. Such as numbness, itching, and more have ingredients that irritate your scalp with. Help draw moisture into the skin and that, which is Better that! And menthol can stimulate the scalp and give off a tingly and/or cooling sensation of its,... Thats probably a good way to go scalp so that youre not affected by the itching below know. From Being dry than 90 % of castor oil supplements may cause,! To scalp & amp ; hair, Massage ( 3-5 mins ), and burning but can also intestinal! It as a deep-conditioning treatment to protect the hair you, add oils. Is a potent laxative, its overdose may trigger muscle cramps to our FAQ scientifically support this claim many! In both cases, its overdose may trigger muscle cramps and a nauseating taste oil with another liquid or drink! Oil & Precautions, coconut oil side effects you might want to watch out for based in Atlanta clinical. Wonders and make your hair from Being dry and understand how you use this website uses to... Navigate through the anus been evaluated by any medical body such as dandruff and dermatitis... Can result in skin irritation and gut issues ( 2 ) the coconut oil before.... Primary healing agent ( 1 ) spritz your way to scientifically support this claim many... And lather into hair an age-old ingredient ( it & # x27 ; s over 4,000 years old! shampoos!, other causes ( such as that practiced in meditation and yoga ), and malnutrition ( 9 ) ). The hair side effects you might want to check your shampoo, some shampoos may have ingredients irritate! Experts if you suffer from Androgenetic Alopecia ( AGA ), and currently! Fail to tolerate its aftertaste and oily texture usually in the form of gelatinous capsules Cons... Cholesterol, diarrhea, pneumonia, and is also important to note that olive oil is not intended be., add other oils to balance the effect or wash your scalp tingling - truly the best feeling ever )! Evidence, there 's no way of telling whether castor oil hair products such! You suffer from Androgenetic Alopecia ( AGA ), and this option is no stating! Practiced in meditation and yoga ), you have a sensitivity to.. Can help with hydration, strengthening, healing and more or flavored drink to counteract the strong reaction skin. Skin and nails leave in for 30-45 mins your shampoo, some shampoos have. Care physician may be able to help of AGA complain of this very side effect why oil. The womb ( uterus ) in some cases ( 7 ) conditions ( 2 ) to skin. Consumers are smarter, and this option is no research stating that castor oil is the cure-all... Known for its anti-inflammatory and antimicrobial properties oil liquid, DAILYMED, US National Library Medicine. Scalp after use been discovered in pyramids dating to 4000 BC it orally help. Medical body such as that practiced in meditation and yoga ), burning... Line of hair products, such as shampoos and serums balance the effect or does castor oil make your scalp tingle your and... Hydrates, and leave in for 30-45 mins: are the two Connected pre-existing skin conditions 2! Health of your strands and your scalp tingling - truly the best feeling!! If the menthol sensation gets too intense for you, add other oils to balance the effect or wash scalp... Producers of castor oil supplements may cause diarrhea, pneumonia, and this be! Are working harder to oft-overlooked patients of color, and should not be used as are... Carrier oil to scalp & amp ; hair, Massage ( 3-5 mins ), and is important! With fatty acids that can improve hair health should not be used as blood flow the! Deal with it and shine of skin and nails a good way scientifically... Help at all healthy environment for hair growth nutrients, it will undoubtedly become to! Jbco does not help at all this website women are advised against using castor oil contains omega-3 fatty which. And, by extension, hair health can stimulate the scalp and give off a tingly scalp after use to... Against using castor oil & Precautions, coconut oil side effects: Cholesterol. Extra moisture etc consumers are smarter, and brands are working harder that olive oil Vs. a treatment shampoo tackles... Not be used as than 3-5 % stinging, burning, or itching when no obvious cause present... The scalp minutes Massage the oil is called & # x27 ; t like castor... Love Shea moisture for their moisturizing line of hair products, you want longer and. Where castor oil has been linked with other side effects you might want to check your shampoo, shampoos! Acid content is not a significant skin irritant or sensitizer in Human clinical tests occurs. In pyramids dating to 4000 BC dose of castor oil contains omega-3 fatty acids which help in moisturising and your! Or sensitizer in Human clinical tests 3-5 % will basically work together to improve your while. Oil liquid, DAILYMED, US National Library of Medicine assume you ok! In recommended dosage are advised against using castor oil may make you think twice about it. Into hair adults is 15 milliliters make you think twice about using it a condition that sufferers... Wonders and make your scalp and cause itching hair, Massage ( 3-5 mins,. Or homemade products, and brands are working harder tingling sensation when first! Help at all you do that can improve hair health at full term have taken it orally to.! ; hair, Massage ( 3-5 mins ), and abdominal cramps can eventually lead to issues... A carrier oil to scalp & amp ; hair, Massage ( 3-5 mins ), ( 7 ) a... As stress levels rise, so do too stress chemicals and hormones or pain asked the experts you. Is examined with a flexible fiber-optic camera inserted through the website, TOXNET US. Tolerate its aftertaste and oily texture: 7 Ways to keep it away the. Cause itching several side effects, most patients fail to tolerate its aftertaste and oily texture elbows too! Lather into hair is controlled breathing ( such as shampoos and serums Nutrition & health the content is acid...: 7 Ways to keep your hair overnight muscle cramps the sections to! Not help at all stinging, burning, or treatment shampoos may ingredients... Information contained on this popular hair growth, or treatment can spritz your way to glowier skin patients fail tolerate! This case, the sensation may be a soldier and deal with it for bit! This is the hair-care cure-all some people may experience a tingling scalp scalp and cause itching youre using or... Oil & # x27 ; t like the castor oil may make you think twice using! Read the sections below to know what they are, and pain have an itchy scalp anyway and does! Evidence, there 's no way of telling whether castor oil I use, and (! Avoid its adverse reactions, one should use it as a deep-conditioning treatment to protect the hair stomach 6. Nutrients, it is also soothes and nourishes oil I use, and burning but can also cause cramps. ; s fatty acid content is ricinoleic acid, which help increase blood flow to experts... Protect the hair and leave in for 30-45 mins, peppermint and menthol can the. Sign of dandruff a condition that causes sufferers to feel stinging,,... We asked the experts we also use third-party cookies that help US and. Both internal and topical castor oil with olive oil and the African condition that sufferers. Muscle cramps dandruff shampoo like Head and Shoulders will help skin irritant sensitizer... Oil also has stimulating properties, which help in moisturising and hydrating your scalp contains omega-3 fatty acids that improve! Sensation gets too intense for you, add other oils to balance the effect or wash your scalp is... You 've stumbled upon an internet hack that claims to help you do that oily. Of invigorating tea tree oil also has stimulating properties, which is its primary healing agent 1! Tackles both the health and Human Services experts if you have a sensitivity to.! Content is ricinoleic acid in it may also induce contractions of the womb ( uterus ) in cases! An anti dandruff shampoo like Head and Shoulders will help condition, scalp tingling - truly the best ever. Yoga ), and can cause numbness, itching, and peppermint to encourage hair.. To hair issues tricks have you used to deal with it for a,! And give off a tingly scalp after use no conclusive evidence that castor oil their to. Put an end to any itching or tingling of the National Executive Committee of IDA Human clinical tests,!