10% Lactic acid Patch with each use the texture of the skin is smoothed. Acts to lighten the pigmentation of dark circles,preserves hydration and skin elasticity around the eyes. Fight wrinkle , Fine Lines and pigmentation Apply to cleansed skin. 2. After opening remove the first film. 3. Position the patch under the eye, in the hollow of the ring. The widest part towards the outside. 4. Release the patch by removing the second film. 5. Adjust by smoothing from the center outwards. Leave on for 5-10 minutes. 6. Without rinsing, work the excess with your fingertips. Use sunscreen and limit sun exposure while using this product and for a week after. In case of contact with eyes, rinse immediately with clean water. Use at the rate of 2 applications per week.