27 citations
,
December 2005 in “Journal of Cosmetic Dermatology” Niacin derivatives may increase hair fullness in women with hair loss.
2 citations
,
March 2020 in “International Journal of Cosmetic Science” Niacinamide does not promote hair growth.
2 citations
,
January 2019 in “Elsevier eBooks” Some supplements may help with hair loss, but there's not enough strong evidence to recommend them without doctor advice.
September 2014 in “Hair transplant forum international” Caffeine, niacinamide, and panthenol may improve hair growth, fullness, and healing when applied to the scalp.
11 citations
,
April 2016 in “Clinical and Experimental Dermatology” Sophora flavescens extract helps hair growth and treats hair loss.