Unique glycoprotein isolated from natural silk produced by the silk worm Bombyx mori. Hydrolzyed (fragmented) for better solubility and skin-penetration. Has strong affinity to keratin and forms a natural semi-occlusive, protecting anti-wrinkle film on the skin surface imparting an immediate, long lasting, smooth, silky feeling. Hydrolyzed sericin provides excellent film-forming, conditioning, and anti-wrinkle properties. It reduces significantly transepidermal water loss and skin irritation. Smoothing and moisturizing activities that persist even after washing leaving the skin or scalp silky and smooth.