30 citations
,
November 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” The lipid in human hair follicles acts as a barrier, similar to the skin's lipid layer.
99 citations
,
June 2005 in “Journal of Cosmetic Dermatology” Hair ages due to genetics and environmental factors, leading to graying and thinning, with treatments available for some conditions.
7 citations
,
September 2004 in “International Journal of Cosmetic Science” Blond hair lightens more with visible light directly, while ultraviolet light lightens it after washing by damaging other hair parts.
22 citations
,
July 2004 in “International Journal of Cosmetic Science” UV radiation and visible light can damage hair, but there are ways to protect it.
41 citations
,
October 2000 in “Dermatologic clinics” Better hair care products are needed to protect against grooming and chemical damage.
40 citations
,
November 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” S100A3 protein is crucial for hair shaft formation in mice.
18 citations
,
January 1994 in “Skin pharmacology and physiology” Sunlight damages hair, causing cuticle loss, protein changes, and discoloration.