Dermatol Pract Concept 2017; 7 (4): 17–21.
Spermidine has been shown both in vitro and in mice models to have an anagen-prolonging effect on hair follicles (HFs). To evaluate the effects of a spermidine-based nutritional supplement on the anagen phase of HFs in healthy human subjects in a randomized, double-blind, placebo-controlled trial.
Rinaldi F et al.