Caffeine Liquid Tonic 2x

A leave-in scalp tonic from Alpecin, Caffeine Liquid Tonic 2x is a lightweight, fast-absorbing liquid designed to invigorate the scalp and support hair resilience. It suits users with thinning or fragile hair who prefer a non-greasy, quick-dry serum-type application. Applied daily, its texture feels thin and cooling, lending itself to morning routines for targeted scalp care.