Abstract: A topical hair treatment or a topical dermatological or cosmetic composition includes a liquid having approximately 0.2 to 0.5 mg/mL of a xanthene derivative. The xanthene derivative can be a methylxanthene. The methylxanthene can be theophylline, caffeine, and/or theobromine. Preferably, the methylxanthene is caffeine selected from hydrous caffeine, caffeine salts, and complexes dissociated to yield caffeine. Caffeine is present in an amount of approximately 0.3 mg/mL. There is also provided a saw palmetto berry derivative present in the liquid in an amount of approximately 0.02 to 0.05 mg/mL. Preferably, the saw palmetto berry derivative is saw palmetto berry extract, in particular, hydrous saw palmetto berry extract. The saw palmetto berry extract is present in said liquid in an amount of approximately 0.03 mg/mL. The liquid can be a shampoo, a conditioner, and/or a combination shampoo and conditioner.