Natural skin brighteners are the key to this phenomenal serum and have been clinically proven to be more effective and safer than hydroquinone. MSM helps push this product to the layers of the skin where minuscule scar tissue builds up and skin clarity is compromised. Hyaluronic acid helps hydrate the skin. The natural skin brighteners in this product make sun damage and aging skin a thing of the past.The results will give you more youthful skin with an even toned complexion. Safe for daily use.