5 citations,
July 2006 in “Contact dermatitis” Ammonium bisulfite in hair bleach can cause facial eczema.
February 2009 in “Springer eBooks” Hyperpigmentation is common in pregnancy and may not fully fade after birth; melasma, also frequent, can persist but has limited treatment options during pregnancy.
4 citations,
January 2016 in “Dermatology online journal” Using bacitracin zinc and selenium sulfide one after the other can temporarily turn white hair yellow.
38 citations,
November 2012 in “Expert Opinion on Drug Safety” Common acne treatments can cause various side effects, like skin irritation and more serious issues, but combination therapies are often more effective and better tolerated.
19 citations,
May 1992 in “International Journal of Dermatology” Some alternative vitiligo treatments show promise, but none are as effective as psoralens and UVA.