The 5% Alpha Lipoic Acid from The Ordinary offers a stabilised, exceptionally high concentration of Alpha Lipoic Acid to visibly improve skin texture & tone. When applied topically on skin, the advanced treatment delivers a pure form of Alpha Lipoic Acid: an enzyme that boasts exceptional antioxidant properties, helping to combat free radical damage & inhibit protein molecule cross-linking that leads to wrinkles developing. The fluid, multi-tasking formula works to minimise the appearance of pores & fine lines as well as alleviate discolouration & unevenness. As a result, your complexion is left feeling more refined & taut with a youthful looking radiance. Free from oil, water, alcohol & nuts. Vegan. Cruelty free. Please Note: Alpha Lipoic Acid is highly sensitive to sunlight. Please do not expose to direct sunlight. Application to face is recommended at nighttime only. This formulation contains an extremely high concentration of ALA. Daily use is not recommended since such a high frequency of use can cause skin sensitivity. Please follow suggested use frequency.