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Formulated to relieve dry
With its hypoallergenic and dermatologist-tested formulation
Breakout-Prone
2–3 nights a week to start
The Ordinary Lactic Acid 5% + HA Weight:30mls Formulated to relieve dryProduct Details Lactic Acid 5% + HA is a mild alpha hydroxy acid solution that offers gentle yet effective exfoliation targeted at the skins surface. It is supported with purified Tasmanian pepperberry extract, which is a known anti irritant. This water based serum is ideal for dry and sensitive skin. This pH of this formula is approximately 3. 8. Lactic Acid has a pKa of 3. 8 and pKa is the most important aspect to consider in formulating with acids.