Apply 4–5 drops in the morning and/or evening to clean and dry skin. Gently massage until fully absorbed. Wait until it dries before applying the next product. Combine with: REVOX B77 JUST Vitamin C 20% , Don´t combine with: Other produscts that contain Hyaluronic Acid. Caution Individual intolerance of the product is possible. Before the first application, it is recommended to perform a sensitivity test. If discomfort occurs, discontinue using the product. *Pregnancy Disclaimer: Still, to be safe, we advise you to consult with your doctor for every product in your skincare routine. WHEN SHOULD I APPLY IT? AM or PM after cleansing on damp skin. CAN I USE IT WITH HYALURONIC ACID 5% SERUM? Preferably no, polyglutamic acid is also a powerful humectant. You can combine it with REVOX B77 JUST Niacinamide 10%.