122 citations,
April 2011 in “European Journal of Pharmaceutics and Biopharmaceutics”
Particles around 100 nm can penetrate and stay in hair follicles without passing through healthy skin, making them safe for use in topical products and useful for targeted drug delivery.
Scientists discovered a sugar gel, 2dDR-SA, that increased hair growth in mice. Users discussed its potential, comparing it to other treatments like Minoxidil and finasteride.