Apple cider vinegar rinses for synthetic hair extensions lack scientific proof of reducing harmful chemicals.
40 citations
,
February 2002 in “International Journal of Dermatology” Permanent hair dye damages hair but it mostly recovers after 8 weeks; using certain hair care products can help repair it.
13 citations
,
September 2017 in “International Journal of Cosmetic Science” Thioglycerol treatment at pH 9.0 with ammonia causes less hair damage and better waving than thioglycolic acid.
December 2000 in “Kirk-Othmer Encyclopedia of Chemical Technology” Hair care products are regulated, with shampoos, conditioners, dyes, and styling products designed for cleaning, enhancing, and maintaining hair.
October 2025 in “International Journal of Research and Review” Herbal shampoo bars are eco-friendly and beneficial for hair and scalp but need improvements for wider use.
11 citations
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June 2018 in “Annales de dermatologie et de vénéréologie” Hair care products can cause skin irritation and allergies.
4 citations
,
March 2021 in “Journal of Surfactants and Detergents” Shampoo B, which uses water-soluble silicone, is better at detangling hair in wet conditions due to its two-layer conditioning film.
8 citations
,
January 2016 in “Journal of fiber science and technology” Bleaching hair increases cysteic acid levels in a predictable way.
8 citations
,
January 2018 in “Journal of cosmetic dermatology” Conditioners in hair dye reduce damage and improve combability.
829 citations
,
May 2007 in “Nature” Hair follicles can regrow in wounded adult mouse skin using a process like embryo development.
286 citations
,
April 2009 in “The journal of neuroscience/The Journal of neuroscience” TRPA1 is crucial for mechanical sensitivity in skin sensory neurons.
116 citations
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May 1992 in “The American Journal of Medicine” Flutamide rarely causes liver toxicity in prostate cancer patients.
106 citations
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June 2005 in “Journal of Investigative Dermatology” The document concludes that assessing hair follicle damage due to cyclophosphamide in mice involves analyzing structural changes and suggests a scoring system for standardized evaluation.
96 citations
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April 2007 in “Journal of Investigative Dermatology” Grafted rodent and human cells can regenerate hair follicles, but efficiency decreases with age.
94 citations
,
August 1975 in “Journal of Cutaneous Pathology” Male pattern baldness involves smaller hair follicles, larger oil glands, and other tissue changes, but not major blood supply issues.
64 citations
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December 2012 in “Stem Cell Reviews and Reports” Human hair follicle cells can be turned into stem cells similar to embryonic stem cells.
63 citations
,
January 2017 in “Annals of Dermatology” More research is needed to understand alopecia areata severity.
60 citations
,
October 2005 in “Experimental Dermatology” Zinc can both inhibit and stimulate mouse hair growth, and might help recover hair after chemotherapy.
53 citations
,
October 1978 in “Archives of dermatology” Zinc supplements can resolve skin issues caused by zinc deficiency.
50 citations
,
October 1986 in “European journal of pediatrics” A boy with severe Vitamin D-resistant rickets did not respond to treatment and lacked a common symptom, suggesting a need for alternative treatments.
37 citations
,
March 2012 in “International Journal of Radiation Biology” Mobile phone radiation can cause DNA damage in human hair root cells.
35 citations
,
January 2002 in “Dermatology” A woman's hair loss during treatment with specific hepatitis C drugs grew back after stopping the medication.
32 citations
,
July 2012 in “Stem Cells Translational Medicine” Vitamin D3 can help improve hair growth by enhancing the function of specific skin cells and could be useful in hair regeneration treatments.
31 citations
,
January 2017 in “Phytotherapy Research” Ziziphus jujuba Mills may have health benefits, but more research is needed to confirm its safety and effectiveness.
26 citations
,
October 2017 in “Scientific reports” A special microbe helps plants absorb rock phosphate by growing on their root hairs.
26 citations
,
February 2012 in “Journal of Investigative Dermatology” Human hair follicle cells can be successfully transformed into different types of cells, but not more efficiently than other adult cells.
25 citations
,
December 2017 in “The Journal of Clinical Endocrinology & Metabolism” Birth control pills combined with bicalutamide are more effective at reducing excessive hair growth in women with PCOS than birth control pills alone.
24 citations
,
February 2015 in “Experimental Cell Research” NFIC helps human dental stem cells grow and become tooth-like cells.
23 citations
,
January 2012 in “International Food Research Journal” Tofacitinib effectively treated a woman's severe symptoms from a rare autoimmune condition.
22 citations
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July 2019 in “PLOS ONE” Skin lymphatic vessels are essential for hair growth.