Which Hyaluronic Acid is Best
Cosmetic grade hyaluronic acid Hyaluronic acid (HA) is a natural biological molecule widely existing in skin and other tissues. It has an excellent moisturizing effect and is internationally known as Natural Molsturl Zlng Factor, NMF. It is currently the best moisturizing substance found in cosmetics in nature. Hyaluronic acid acts on the skin surface, macromolecule hyaluronic acid can form a permeable film on the skin surface, make the skin smooth and moist, and can block the invasion of foreign bacteria, dust, ultraviolet rays, protect the skin from invasion; small molecule hyaluronic acid can penetrate into the dermis, with a slight expansion of capillaries, increase blood circulation Ring, improve the intermediate metabolism, promote skin nutrition absorption, has a strong anti-wrinkle function, can increase skin elasticity, delay skin aging. Hyaluronic acid can also promote the proliferation and differentiation of epidermal cells, scavenge oxygen free radicals, prevent a...