STEP 2: TREAT PM The Ordinary Acide Lactique 10% + HALactic Acid 10% + HA

Targets

Textural Irregularities, Dullness, Uneven Skin Tone

Suited to
Dry Skin

Format
Serum: Water-Based

Key ingredients
Lactic Acid, Sodium Hyaluronate Crosspolymer, Tasmannia Lanceolata Fruit/Leaf Extract

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.

Highlights

ph
3.60 – 3.80
water-free
No
alcohol-free
Yes
oil-free
Yes
silicone-free
Yes
vegan
Yes
gluten-free
Yes
cruelty-free