Profile: Sino Lion (USA), Ltd. develops, manufactures & markets functional ingredients, fine chemicals, bulk drug actives & natural active products such as botanical extracts, biopolymers and their derivatives. Our active ingredients include sunscreens, warming, cooling and anti-microbial agents, skin lightening & enhancers. We offer specialty chemicals such as emulsifying agents, amino acid-based surfactants, hair conditioners, mono-alkyl phosphate surfactants, and skin conditioners. Hyaluronic acid is a natural muco-polysaccharide that exists in a variety of human and animal tissues. It has a very long linear polysaccharide chain formed by bonding n-acetyl-d-glucosamine with glucuronic acid. It is well known for its outstanding ability of water retention and is widely used in cosmetic, personal care & pharmaceutical products. Arbutin is a skin lightening agent. It shows skin lightening effects at the same level as hydroquinone. It causes no irritation, reduces sensitization that permits continuous use for a long period of time in high concentration to develop satisfactory skin lightening effects. It has excellent effects on liver spots, age spots, sun spots, and skin pigmentation disorders. It is widely used as an active ingredient for both external use cosmetics and topical drugs.