2467 Inspired by scalp treatments of DESSANGE's salons, Purifying Clay System with Pre-Shampoo Mask and Shampoo absorbs excess oil and gently purifies roots to reveal clean, healthy-looking hair. For Jacques DESSANGE, every woman can achieve great hair with the right care and expertise. This has been driving his passion since his first salon opening near the Champs-Elysees 60 years ago. Achieve a naturally elegant salon-like result every day. Professional hair luxury, by DESSANGE. For best results, use as a complete system with the Purifying Clay Pre-Shampoo Mask followed by the Purifying Clay Shampoo.