March 2026 in “International Journal of Science and Research (IJSR)” Melatonin protects skin and supports hair growth.
46 citations
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January 1991 in “Tissue and Cell” The male silkmoth's antenna develops olfactory structures over 21 days, with full hair formation by day 15.
44 citations
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April 2003 in “European journal of pharmaceutical sciences” Lipophilic dyes accumulate more in hair follicles when delivered with surfactant-propylene glycol solutions.
34 citations
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November 1998 in “Journal of Investigative Dermatology” A common mutation in the hHb6 gene is linked to monilethrix, but other factors may also play a role.
1 citations
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January 2007 in “中国科学通报:英文版” Women's hair has more sulfur, and black hair has more calcium than white hair.
January 2025 in “Archives of Dermatological Research” December 2025 in “JEADV Clinical Practice” A woman with hair loss condition experienced rare hair color return, suggesting it might help diagnose the condition.
April 2017 in “Journal of Dermatological Science” Asymmetric hair follicle differentiation causes the unique shape of kinky hair.
5 citations
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September 2016 in “Security science and technology” DNA can predict physical traits like eye and hair color accurately, especially in Europeans, but predicting other traits and in diverse populations needs more research.
68 citations
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April 1965 in “General and Comparative Endocrinology” The pituitary gland controls seasonal fur color changes in weasels.
7 citations
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December 1970 in “Biochimica et Biophysica Acta (BBA) - Protein Structure” 82 citations
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January 1997 in “Forensic science international” Drugs can be incorporated into hair based on their chemical properties and hair pigmentation.
April 2023 in “International Journal of Pharmaceutics” Melatonin in a special emulsion can help treat hair loss more effectively.
January 2026 in “SSRN Electronic Journal” Riboflavin with blue light speeds up hair dyeing, making it faster, safer, and long-lasting with less hair damage.
1 citations
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April 2016 in “The American Journal of the Medical Sciences” The document concludes that doctors should check for frontal fibrosing alopecia in patients with acquired hyperpigmentation and that early treatment is important.
4 citations
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February 2023 in “International Journal of Stem Cells” The FTO gene hinders stem cells in hair follicles from becoming pigment cells.
7 citations
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December 2021 in “Archives of Dermatological Research” Adiponectin reduces hair pigmentation and affects hair growth signals.
A 32-year-old man with early graying hair shows a unique pattern, suggesting more research is needed on why hair grays early.
November 2024 in “Karnataka Pediatric Journal” 79 citations
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March 2005 in “Journal of Medical Genetics” A mutation in the hHb3 gene is linked to the hair disorder monilethrix.
April 2023 in “Australasian Journal of Dermatology” Lentiginous melanoma is most common on the face, especially the nose, cheek, and pre-auricular areas, with men more likely to have it on the scalp, ears, upper back, and trapezius, and women on the cheek and anterior arm. Sun damage is a key factor in its formation.
1 citations
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January 2009 in “Elsevier eBooks” Laser hair removal can be effective for darker skin but requires careful use to avoid side effects.
November 2022 in “Indian Journal of Dermatology/Indian journal of dermatology” Valproic acid can cause dark lines on nails.
June 2004 in “Journal of Investigative Dermatology” Increased pigmentation may protect skin from UVB, new targets for skin disease treatments were identified, sunscreen ingredients don't affect hormones, TNF-α inhibitors may help diabetic wounds, and certain treatments could prevent chemotherapy-induced hair loss.
29 citations
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April 1997 in “Developmental Dynamics” Trypsin slows hair growth and affects color by causing cell death in hair follicles.
January 2023 in “Springer eBooks”
August 2024 in “Journal of the Korean Society of Cosmetology” Wild peach leaf extract improves hair strength, thickness, and shine after dyeing.
20 citations
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December 1999 in “Journal of Investigative Dermatology” Mutations in the hHb6 gene cause the hair disorder monilethrix.
18 citations
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January 2010 in “Dermatology Research and Practice” DPCP treatment for alopecia areata can sometimes cause vitiligo.
3 citations
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May 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Skin lesions in Carney Complex are caused by a gene change in some skin cells that leads to increased pigmentation and may lead to tumors.