The Ordinary Lactic Acid 10% + HA - 30ml
The Ordinary Lactic Acid 10% + HA - 30ml
Available in stock
Targets: Uneven Skin Tone, Textural Irregularities, Dullness
Suited to: Dry Skin
Format: Water-based Serum
Contraindications: Lactic Acid should not be used on sensitive, peeling, or compromised skin. Please refer to the additional sun protection notes and other warnings in provided Directions. 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 ideal balance between salt and acidity, maximizing the effectiveness of the acid and reducing irritation. Higher pH numbers in such a case would increase salt which counter-intuitively would make the formula even more irritating than if the formula was more acidic. Sunburn Alert: This product contains an alpha hydroxy acid (AHA) that may increase your skin's sensitivity to the sun and particularly the possibility of sunburn. Use sunscreen, wear protective clothing, and limit sun exposure while using this product and for a week afterward.
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How to Use
How to Use
Ingredients
Ingredients
Shipping & Return
Shipping & Return
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