12 citations
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October 2007 in “PubMed” Keratin helps protect and strengthen hair, reducing damage and color fading.
10 citations
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January 1994 in “Cosmetics and toiletries” Ceramide treatment can strengthen and protect hair from damage.
2 citations
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November 2018 in “International Journal of Cosmetic Science” Chamomile extract can protect hair from damage caused by light.
1 citations
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July 2023 in “Biomimetics” A new hair treatment using a natural polyphenol complex improves hair strength, reduces static, and protects against UV damage.
1 citations
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November 2019 in “Applied sciences” Human hair provides more UV protection when aligned and at higher angles, but the scalp still gets UV exposure.
February 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Use heat protection and proper techniques to prevent hair damage from styling.
February 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Use heat protection and proper techniques to prevent hair damage from styling.
August 2024 in “Journal of the Korean Society of Cosmetology” Wild peach leaf extract improves hair strength, thickness, and shine after dyeing.
August 2021 in “Han'gug miyong haghoeji/Journal of the Korean society of cosmetology” Using natural polyphenol cross-linkers like tannic acid and green tea extract in perm treatments improves curling and protects hair.
September 2011 in “Daehan miyong hakoeji” Henna orange powder, especially with alkali, protects and colors hair better than oxidizing colorants.
114 citations
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March 2010 in “Zebrafish” PROTO1 and PROTO2 protect against hearing damage.
16 citations
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February 2015 in “Photochemistry and Photobiology” Hair acts as a significant natural sun barrier, with protection increasing based on hair density, thickness, and melanin presence.
24 citations
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November 2013 in “Trends in pharmacological sciences” Increasing ABC transporters in hair follicles may prevent chemotherapy-induced hair loss.
18 citations
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October 2018 in “Nutrients” Annurca apple extract promotes hair growth by changing hair follicle metabolism to boost keratin production.
30 citations
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August 1993 in “PubMed” IL-1 alpha stops hair follicle growth and hair production.
17 citations
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August 2007 in “Bioorganic & Medicinal Chemistry Letters” A compound made by Pfizer can potentially stimulate hair growth and reduce oil production, making it a good candidate for topical use.
14 citations
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August 2007 in “Bioorganic & Medicinal Chemistry Letters” The compound (1R,2S)-4-(2-Cyano-cyclohexyl-oxy)-2-trifluoromethyl-benzonitrile can stimulate hair growth and reduce oil production when applied topically.
7 citations
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January 2001 in “Annales de zootechnie” Melatonin treatment increases wool production and improves fiber quality in angora rabbits.
6 citations
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April 2012 in “Journal of Oral Pathology and Medicine” Rushton's hyaline bodies form from hair keratin and blood substances.
501 citations
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October 2008 in “Psychoneuroendocrinology” Hair cortisol levels can show increased stress during late pregnancy but only for up to six months.
78 citations
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October 2012 in “Biomaterials” Larger spheroids improve hair growth, but size doesn't guarantee thicker hair.
75 citations
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October 2016 in “Genes & Development” Cells in hair follicles help create fat cells in the skin by releasing a protein called Sonic Hedgehog.
1 citations
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March 2022 in “Protection convergence” Fermented green coffee beans may be good for scalp and hair health cosmetics.
January 2014 in “University of the Arts London Research Online (University of the Arts London)” Certain ingredients can help protect hair color.
March 1994 in “Proceedings of the British Society of Animal Production” Angora goats produce more hair faster than Cashmere goats.
41 citations
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June 2010 in “Journal of Investigative Dermatology” New cells are added to the hair's dermal papilla during the active growth phase.
9 citations
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March 2019 in “Scientific reports” Temporary ROS production in cultured human hair follicles promotes growth and stem cell activation.
November 2023 in “Animals” Feeding goats more during the non-growing period increases cashmere yield and length.
2 citations
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July 1994 in “Journal of Dermatological Science” Grafted human scalp samples on mice can produce human hair, useful for studying hair genetics.
176 citations
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August 2000 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Hormone treatments in transsexual individuals reduce hair growth and oil production in male-to-females and increase them in female-to-males.