Table I Commercial coll a gen-based nutraceutical formulations sold online Brand Ingredients Formulation type Claims Company Refs. BioCell Hydrolyzed collagen type II Capsules Reduces fi ne lines and wrinkles Health Logics (135) Hyaluronic acid Reduces 76% of skin dryness Reduces joint discomfort and stiffness Japanese Beauty Suppliment Meiji Amino collagen Premium collagen Amino collagen Powder – Meiji (132) 3 Bio-Mask 24k Gold Collection Peel Off + Serum 24 K – Kit Hydrolyzed collagen Mask and serum Prevents and treats premature aging Bioage Skincare Solutions (134) Hyaluronic acid Antioxidant Saponaria pumila callus culture extract Slows the glycation Khaya Senegalensis bark extract and others Collagen Hydrating Serum Native collagen fl uid Serum Antiaging, provides hydration, and decreases wrinkles and fi ne line appearance Wilma Schumann (130) Glycerin Promotes new collagen in skin Panthenol Lactic acid Matricol Caviar Deluxe Pure natural collagen Mask sheets Active prevention against skin aging Matricol (131) Caviar extract Provides optimum skin moisture Collagen Moisture Filler/ Combleur Hydrant Natural collagen Cream Provides intense hydration L’Oreal (133,138) Helps fi ll in lines and wrinkles JOURNAL OF COSMETIC SCIENCE 334

Brand Ingredients Formulation type Claims Company Refs. Pure Gold Collagen Collagen Supplement drink Preserves skin elasticity Gold Collagen (139) Zinc Maintains normal hair, skin, and nails Copper Maintains normal pigmentation of skin and hair Biotin Antioxidant Vitamin C Vitamin E Vitamin B6 Rousselot Fish Collagen Hydrolyzed Fish hydrolyzed collagen Dietary supplement powder Increases skin mechanical strength Peptan (136) Wild Mexican yam extract Hydrates the skin and prevents wrinkle Hyaluronic acid Maintains permanent youthfulness Collagen Peptides Powder Hydrolyzed collagen Dietary supplement powder Improves skin elasticity NutraChamps (137) Digestive enzymes Prevents wrinkles and aging signs Enzymes digest proteins for proper body utilization Medicube Triple Collagen Essential Serum Hydrolyzed collagen Serum Improves skin elasticity Medicube (140) Atelo collagen Soluble collagen Table I Continued SKIN-AGING AND INFLAMMAGING TREATMENT 335