A retinal serum, available in six progressive strengths, that's clinically shown to visibly smooth wrinkles, brighten dark spots, and firm without irritation. Skin Type: Normal, Combination, and Sensitive Skincare Concerns: Fine Lines and Wrinkles and Uneven Texture Formulation: Serum Highlighted Ingredients: - Retinaldehyde (Retinal): A form of vitamin A that targets the look of wrinkles, dark spots, and uneven skin texture. - Hyaluronic Acid: Draws moisture into the skin, leaving it visibly no