27 citations,
January 1995 Melanin in black hair protects it from sun damage better than light-brown hair.
27 citations,
February 1991 Cuticle damage doesn't affect hair's tensile strength; the cortex is responsible for it.
16 citations,
January 1977 15 citations,
January 1998 Frequent blow-drying causes cracks and breakage in hair cuticles.
11 citations,
January 2000 in “Journal of cosmetic science” Hydrolyzed wheat proteins penetrate all hair types effectively.