Studies with Plantur 39

Test regarding the penetration of caffeine from the caffeine-containing shampoo formula Plantur 39

Conducted at the Center for Experimental and Applied Skin Physiology and Clinical Research Center for Hair and Skin Physiology of the University Clinic Charité, Berlin.

Surveillance Study Plantur 39 Phyto-Caffeine Tonic

Conducted at the Clinic of Dermatology and Dermatological Allergology of Friedrich Schiller University in Jena, Germany.