This lightweight gel serum is formulated with six procollagen peptides, hyaluronic acid and amino acids to support healthy collagen levels & elastin for visibly firmer, smoother skin. It quickly absorbs into skin, layering seamlessly with the rest of your skincare routine and makeup application. Ingredients: 6 ProCollagen Peptides: Multilayer firming support for youthful looking skin Amino Acids: Strengthen & reinforce skin to maintain overall health Hyaluronic Acid: Locks in hydration and leaves skin supple & plump Clinical Results: Based on an independent clinical study: Clinically proven to visibly reduce lines in 15 minutes Clinically proven to visibly firm skin in 4 weeks | Paula's Choice Pro-Collagen Peptide Booster, 20 ml | Dermstore