Collagen Stimulating Serum,every drop of Collagen Stimulating Serum which should be applied to the face, neck and chest each morning, contains ASC III (produces restructuring collagen), Alistin (protects skin after oxidative stress), Echinacea (a Natual skin-firming herb), and Tulsi (Indian Basil, a nutural emollient). Good for skins 35 and over. Excellent repair treatment for acne scarring. Increases firmness and tone of skin.