Naturium's Retinaldehyde Cream Serum results-driven serum is formulated with a unique, sustained-release retinaldehyde; a potent next-gen retinol that directly converts to retinoic acid, to address the look of fine lines and wrinkles, uneven tone and texture. Added biofermented oligopeptide actively refines the appearance of skin texture and radiance for optimal results. What it does: Combats the look of fine lines Visually smooths uneven tone and texture Helps brighten and firm the look of skin Free from/Testing: Cruelty Free, Paraben Free, Vegan, Gluten Free, Fragrance Free, Dermatologist Tested Formula pH Level: 6.0–7.0 All of our formulas are developed to be pH appropriate to support skin health and ensure optimal potency.