The Ordinary Lactic Acid 10% + HA 30ML

A high-strength exfoliator that works to reveal smoother skin.

- Lactic Acid 10% + HA: Alpha hydroxy acid solution for surface skin exfoliation.
- Enriched with purified Tasmanian pepper berry extract to reduce irritation.
- Ideal for dry skin types.
- Water-based serum.
- pH approximately 3.8.
- pKa of Lactic Acid is 3.8, crucial for acid formulation.
- Close pKa to pH ensures optimal acid effectiveness and minimizes irritation.