2 citations
,
January 1977 in “PubMed”
3 citations
,
February 2016 in “Majallah-i dānishgāh-i ̒ulūm-i pizishkī-i Māzandarān/Journal of Mazandaran University of Medical Sciences” Some Kohl products in Iran have concerning heavy metal levels, needing stricter regulation.
16 citations
,
December 2016 in “Skin appendage disorders” Nickel, cobalt, balsam of Peru, fragrance mix, carba mix, and propylene glycol are common allergens causing scalp contact dermatitis.
2 citations
,
June 2016 in “Russian Journal of Skin and Venereal Diseases” People with alopecia areata have lower blood zinc and iron, and higher hair iron, copper, chromium, and nickel.
April 2025 in “ACS Applied Nano Materials” A new treatment using dissolvable microneedles with nickel-copper and minoxidil improves hair growth and health in androgenetic alopecia.