Our hyaluronic acid bars contain hyaluronic acid, citric acid, and coconut oil. It keeps the skin moist and smooth, reduces the intrusion of ultraviolet rays, air pollution or other environmental foreign substances, and provides adequate sun protection. Its use method is very simple: first open the transparent cover of the product, gently rotate the bottom shaft, roll out the pull rod, and gently evenly apply to the skin surface. It forms a barrier between the skin and the sun after use, preventing dehydration and reducing the risk of sunburn.