Aderma Biology Hyalu 3 in 1 SerumIndication: Aderma Biology Hyalu 3 in 1 Serum formulated with hyaluronic acid that hydrates in 1 minute, plumps and strengthens fragile facial skin. Contains 9 essential ingredients to ensure optimal tolerance so that the skin is more supple, plump and the complexion is radiant in the morning. How to use: Apply in the morning and or evening to cleansed face, neck and eye contour. It can be applied alone or by mixing 1 to 3 drops with your usual