18 citations,
January 1994 in “Skin pharmacology and physiology” Sunlight damages hair, causing cuticle loss, protein changes, and discoloration.
Hair fiber research combines multiple sciences to improve hair care products.
55 citations,
December 2014 in “Dermatologica sinica/Zhōnghuá pífūkē yīxué zázhì” Keratinocytes control how melanocytes work.
The document concludes that understanding hair's composition and the effects of treatments can lead to better hair care products.
6 citations,
September 2022 in “Frontiers in pharmacology” Epimedium extract helps increase skin pigmentation and could be a new treatment for conditions with reduced pigmentation.
14 citations,
September 2017 in “General and comparative endocrinology” Barn owls with smaller black spots have higher testosterone levels, which might be due to genetic effects on hormone regulation rather than hormone effects on coloration.
14 citations,
November 2013 in “PloS one” HGF/SF increases skin melanocytes but doesn't change melanin type or amount.
1 citations,
February 2023 in “Plants” BB4CMU rice bran oil may help treat hair loss and gray hair.
240 citations,
April 2011 in “Pigment Cell & Melanoma Research” Melanocyte stem cells in hair follicles are key for hair color and could help treat greying and pigment disorders.
75 citations,
January 2009 in “International journal of trichology” Hair grays due to oxidative stress and fewer functioning melanocytes.
58 citations,
February 2016 in “Scientific reports” Blocking BACE1 and BACE2 enzymes causes hair color loss in mice.
25 citations,
January 2013 in “Colloids and surfaces. B, Biointerfaces” Hair dye colors mainly target melanin granules in black hair.
22 citations,
January 1985 in “Journal of Human Evolution/Journal of human evolution” Human skin and hair color variation is mainly due to melanin produced by a few genes, with melanin protecting against sun damage.
2 citations,
December 2023 in “Royal Society of Chemistry eBooks” Hair is a complex organ, and understanding its detailed structure and growth phases is crucial for analyzing substances within it.
January 2022 in “International journal of Ayurveda and pharma research” Premature graying of hair is linked to an imbalance of body energies in Ayurveda and treatment varies based on the specific imbalance.
22 citations,
February 2008 in “Journal of Dermatological Science” EPR spectroscopy showed that spontaneous hair growth results in thicker skin and less pigmented hair than depilation-induced growth.
3 citations,
January 2012 in “Wageningen Academic Publishers eBooks” Hair health depends on various factors and hair loss can significantly affect a person's well-being; understanding hair biology is key for creating effective hair care treatments.
January 1989 in “Clinical and Experimental Dermatology” The symposium concluded that hair growth involves complex processes, including the hair follicle life cycle, the role of the dermal papilla, hair strength, pigmentation, and the impact of diseases and treatments like minoxidil on hair and skin.
5 citations,
April 2018 in “Chem” Graphene-based hair dye is a safe, durable, and effective alternative to traditional black hair dyes.
2 citations,
March 2023 in “JAAD case reports” Hair repigmentation can indicate malignancy and should be investigated.
53 citations,
November 1997 in “Journal of Forensic Sciences” Darker hair in guinea pigs holds more codeine than lighter hair.
30 citations,
June 2006 in “British journal of dermatology/British journal of dermatology, Supplement” Oral zinc sulphate reduces dark hair color in mice.
4 citations,
February 2022 in “Nutrients” Korean Red Ginseng saponins may protect skin from inflammation and darkening caused by air pollution.
August 2024 in “Applied Sciences” Plant extracts may help prevent or reverse hair graying.
63 citations,
February 2017 in “ACS biomaterials science & engineering” Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.
April 2024 in “Journal of translational medicine” Melanocytes are important for normal body functions and have potential uses in regenerative medicine and disease treatment.
7 citations,
January 2001 in “Comprehensive series in photosciences” UV radiation significantly damages hair, especially with humidity, making it more vulnerable to further damage.
24 citations,
January 2006 in “Dermatologic clinics” Hair sunscreens are important for maintaining hair's cosmetic value.
7 citations,
January 2020 in “Nature” Stress turns hair white by depleting color-giving cells in hair follicles through a specific neurotransmitter related to the body's stress response.
January 2020 in “Sumatera Medical Journal” Family history and stress are linked to early hair graying, with family history being the main factor.