10 citations
,
January 1980 in “Ultrastructural pathology” Green hair has high copper levels due to contaminated water and damaged hair cuticles.
95 citations
,
June 2002 in “The Journal of Dermatology” Onion juice is more effective than tap water for hair re-growth in patchy alopecia areata.
13 citations
,
June 2011 in “International Journal of Cosmetic Science” Human hair absorbs calcium and magnesium from tap water, affecting its structure and styling properties.
3 citations
,
April 2024 in “Dentistry Journal” Rinsing with oral care products or tap water helps neutralize acidity from Coca-Cola, but both are equally effective.
13 citations
,
March 2010 in “International Journal of Cosmetic Science” Hair coloring increases copper and calcium uptake, damaging hair and reducing shine.