May 2023 in “Health science reports” This review discusses the harmful effects of coloring shampoos containing trihydroxybenzene on the scalp-skin barrier and emphasizes the need for safer ingredient selection to prevent side effects.
Hair coloring and bleaching can permanently break down hair protein and temporarily change its properties.
72 citations
,
July 2003 in “Journal of cosmetic dermatology” This review discusses the psychological importance of hair and explores how various hair cosmetics can affect hair health, emphasizing that certain products can lead to acute hair problems when repeatedly altering the natural style.
13 citations
,
July 2011 in “Photomedicine and laser surgery” This study found that coloring white facial hair is an effective and feasible adjunct to intense pulsed light therapy for hair removal, with similar efficacy between using black eyeliner and black hair dye.
1 citations
,
April 2013 in “Pakistan Journal of Biological Sciences” This study found that hair coloring, waving, and ironing were associated with increased hair abnormalities compared to untreated hair in Iranian women.