research A Novel Approach Against Male Pattern Hair Loss With Topical Dimethylglycine Sodium Salt (DMG‐Na) and Caffeine: Efficacy of a 24‐Week, Double‐Blind, Randomized, Placebo‐Controlled Trial
In this study, a DMG-Na and caffeine-containing shampoo significantly reduced hair loss and increased hair density in men with male pattern hair loss over 6 months, compared to a placebo, without adverse effects.

