The Ordinary Lactic Acid 10% + HA is a mild solution of alpha hydroxy acid that provides gentle yet effective exfoliation targeting the skin's surface. Formulated with purified Tasmanian pepper extract, it helps reduce irritation and sensitivity associated with acid use. This watery serum is ideal for dry and sensitive skin, with a pH of around 3.8. Lactic acid has a pKa of 3.8, indicating optimal acid availability for effective exfoliation while reducing irritation.

how to use:

● Apply once daily, preferably in the evening.

● It can be diluted with other treatments to reduce its strength until the skin gains its tolerance.

● Limit the frequency and duration of contact with the skin.

● Avoid contact with eyes. If irritation occurs, discontinue use and consult a physician.

● Use only as directed on intact skin. Patch testing is recommended before use