Concentrated Retinol Serum 2 may help to normalize the appearance of skin abnormalities and damage, and in promoting healthy-looking skin that looks truly reborn beautiful. Application steps: Pre-cleanse, cleanse and tone with your preferred Environ products. Introduce Retinol by adding one drop to your recommended Environ vitamin A moisturizer every evening. Gradually increase the amount of Retinol while ensuring that your skin remains comfortable. Use 2-4 bottles before progressing to the next step of Retinol. Alternatively, apply Retinol to the entire face area or to the areas you would like to target before moisturizing with your recommended Environ vitamin A moisturizer. These steps can eventually be followed morning and evening. Key ingredients: Retinol 2: Retinol, Colostrum, Retinyl Palmitate and Retinyl Acetate