January 1990 in “Springer eBooks” Some chemicals can permanently or temporarily remove color from skin and hair, which can be distressing and is not well-regulated in cosmetics.
16 citations
,
April 2000 in “Contact dermatitis” A man developed severe skin reactions after using a treatment for hair loss.
10 citations
,
January 2012 in “Case reports in medicine” Diphencyprone can cause unexpected and possibly permanent vitiligo.
12 citations
,
June 2010 in “Journal of dermatology” Some patients with severe alopecia areata developed skin darkening from their treatment, which may indicate a less effective response to the therapy.
19 citations
,
October 2015 in “British Journal of Dermatology” Diphenylcyclopropenone's effectiveness and safety for alopecia areata are unclear.
10 citations
,
January 2010 in “Acta dermato-venereologica” Light therapy can effectively treat vitiligo and hair loss caused by a specific medication.