The Bio-Retinol + C Booster revitalizes tired, dull skin. This oil-based booster, suitable for all skin types, features vitamins A, C, F, and E. Blended in a rosehip oil base, it penetrates deeply to deliver anti-aging benefits and hydration. Vitamins C and A aid collagen production, boosting radiance, while vitamin E provides antioxidant and healing properties. Vitamin F works to deeply nourish and replenish skin.