Description: Achieve the glass skin effect with care! Intensively brightening acid serum guarantees a young, healthy and radiant appearance of the skin. It provides multi-level exfoliation, accelerating regeneration and evening out the skin tone. Thanks to this, it helps keep the skin bright, smooth and free from discoloration! The best results will be achieved in combination with Lirene EFFECT GLASSY Moisturizing Nourishing Cream SPF50! - +69% color unification - 80% rejuvenation - +67% voltage improvement - 84% skin brightening Note: Use a cream with high SPF. How to use: 1. Use in the evening, 2-3 times a week. 2. Apply to clean and dry skin. 3. Wash off with warm water after 20 minutes or leave it overnight to enhance the effect and wash it off in the morning. 4. Use a cream with a high SPF filter during treatment.