Guinot – Hydrazone Sun Cream SPF 50 – Very High Protection formula for the face. Hydrazone Sun Cream is the Sun moisturizing cream, High Protection Face that provides optimal hydration and protects the skin from the harmful effects of UVA/UVB rays. Guinot Hydrazone Sun Care products are formulated with Hydrocyte Liposomes, water-laden microspheres that intensely moisturize the epidermis and provide a permanent source of hydration.