BioSilk Silk Therapy is the perfect, lightweight, replenishing treatment to protect and maintain hair and skin and keep it in optimum condition. Lightweight, leave-in replenishing and reconstructing treatment that eliminates frizz and repairs split-ends Silk proteins penetrate the hair, bonding and strengthening it from the inside out Added Vitamin B provides maximum moisture retention Brilliant high gloss shine with botanical extracts and Vitamin E add softness Added UV protection from sun damage Great when used with a flat iron Ideal for all hair types