20 citations,
January 2003 in “Journal of oleo science” Chemical treatments and daily stresses damage hair, especially the cuticle layer.
20 citations,
April 1999 in “British journal of plastic surgery” Ruby laser hair removal significantly reduces hair density.
19 citations,
November 2012 in “British Journal of Dermatology” Dopamine stops hair growth and pigment production in human scalp hair follicles.
19 citations,
July 2006 in “Lasers in medical science” Laser hair removal is safe and effective for fair-skinned people with dark hair, and using eflornithine with laser treatments can improve results.
19 citations,
May 1992 in “International Journal of Dermatology” Some alternative vitiligo treatments show promise, but none are as effective as psoralens and UVA.
18 citations,
September 2016 in “International Journal of Molecular Sciences” Polydeoxyribonucleotide (PDRN) may help lighten skin and treat hyperpigmentation.
18 citations,
August 2014 in “Lipids” Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.
18 citations,
April 2002 in “Journal of cutaneous pathology” Tiny infundibular cysts are the main lesions in chloracne, not comedones.
18 citations,
January 1994 in “Skin pharmacology and physiology” Sunlight damages hair, causing cuticle loss, protein changes, and discoloration.
17 citations,
October 2010 in “Pigment cell & melanoma research” Human hair color is influenced by complex biochemical processes involving enzymes and reactive oxygen species.