Mitomo Collagen + Lithospermum Essence Mask includes collagen that helps to make skin soft and supple while it cleans and moisturizes. Mitomo uses only natural cotton for the sheets and added rich essence formulation for richer and long lasting moisturising feeling. Lithospermum has a formula that can help to reduce acne, blackhead, and skin blemishes. Collagen is part of the connective tissue that in the skin helps in firmness, suppleness and constant renewal of skin cells. Collagen is vital for skin elasticity. It contains components such as hydrolysed collagen and elastin which make your skin fatigued by time more vital.