Isntree Hyaluronic Acid Watery Sun Gel Moisturizing Cooling Sunscreen 50ml (2-PACK). Without having white cast, it's absorbed quickly into skin and its texture is so smooth that it's easy to apply like lotion. As it soothes heated skin and gives elasticity to skin, it helps to improve dull skin as well. SPF 50+ : SPF means the percentage of blocking UV-B, which causes skin inflammation and burns skin. The higher the number is, the stronger the ability of blocking UV-B. Isntree fuses "island", "natural" and "tree" together to inspire its brand name and guiding philosophy. Showing honesty in its choice of ingredients, the brand uses only the safest and purest from nature. Isntree produces effective skin, body and hair care products such as its popular Aloe Soothing Gel, Hyaluronic Acid Aqua Gel Cream, Sensitive Balancing Sun Protection Plus SPF50+ PA++++ and Sensitive Balancing Cleansing Foam.