Hydra Technology Lifting Solution with BioRetinol. Intended Use: All skin types, especially mature skin with clear signs of aging and fatigue, requiring firming and brightening active ingredients: BioRetinol, Niacinamide. Effects: Instant tightening and firming of the skin, smoothing and reducing the appearance of wrinkles, skin regeneration, skin radiance, and skin improvement. Directions for Use: Apply una Apply a small amount of solution to a cotton pad and rub, avoiding the eye area. The solution can essere Used for cavitation peeling and hydrabrasion (with hydrogen purification). Stinging, tingling, and redness may occur during treatment. The intensity and duration of the sensations depend on individual sensitivity and skin type.