The Ordinary Lactic Acid 10% + HA Exfoliating SerumA high strength exfoliator, designed to give smoother skin by targeting textural irregularities, dullness, and uneven skin tone. Description Lactic acid 10% + ha is an alpha hydroxy acid solution providing effective exfoliation for the skin's surface, enhanced by purified tasmanian pepperberry extract, known for reducing irritation and sensitivity linked to acid use. This water based serum is particularly suitable for individuals with dry skin types.