Here's a breakdown of the key ingredients and their functions: Retinal (0.1%): A pure form of Vitamin A, it's a powerful retinoid that promotes cell turnover, reduces wrinkles and fine lines, and improves overall skin texture. Peptides: Support skin hydration and improve skin firmness and elasticity. Niacinamide (Vitamin B3): Known for its brightening, smoothing, and skin-strengthening properties. Panthenol (Vitamin B5): Provides deep hydration and has soothing properties to calm the skin. A-Shot™ Technology: A proprietary technology involving micro-particles that are designed to penetrate pores and improve the delivery and absorption of active ingredients, reducing skin irritation. Tocopherol (Vitamin E): An antioxidant that helps protect the skin. Allantoin: Helps to soothe and calm the skin.