How to Use
Read full usage directionsApply after cleansing and before heavier creams. Follow with moisturizer, and use sunscreen in the daytime when needed.
STEP 2: TREAT
TRENDING
Lactic Acid 10% + HA is an alpha hydroxy acid solution that offers effective exfoliation targeted at the skin’s surface. It is supported with purified Tasmanian pepperberry extract, a known anti-irritant. This water-based serum is ideal for dry skin.
The 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. pKa implies acid availability. When pKa is close to pH, there is an optimal balance between salt and acidity, optimizing the delivery of the acid form to ensure it provides an effective exfoliation that can be used daily.
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Build My RegimenLactic Acid 10% + HA is an alpha hydroxy acid solution that offers effective exfoliation targeted at the skin’s surface. It is supported with purified Tasmanian pepperberry extract, a known anti-irritant. This water-based serum is ideal for dry skin.
The 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. pKa implies acid availability. When pKa is close to pH, there is an optimal balance between salt and acidity, optimizing the delivery of the acid form to ensure it provides an effective exfoliation that can be used daily.
How to Use
Read full usage directionsApply after cleansing and before heavier creams. Follow with moisturizer, and use sunscreen in the daytime when needed.
Product & Safety Guidance
Read full product & safety GuidancePatch testing prior to use is advised. If irritation occurs, rinse off, cease use, and consult a physician. Use only as directed on unbroken skin.
Recycling Instructions
Read full recycling instructionsSeparate the bottle, cap, dropper, and carton where local recycling programs allow. Rinse any remaining residue before recycling.
See if this product is compatible with other formulations from The Ordinary.