[the ordinary.] (bo5) Lactic Acid 10% + HA 30ml / (cu)

What it is 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, which has been shown to reduce irritation and sensitivity that can be associated with acid use. This water-based serum is ideal for dry skin types. 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. pKa implies acid availability. When pKa is close to pH, there is an ideal balance between salt and acidity, maximizing effectiveness of the acid and reducing irritation

Ingredients Aqua (Water), Lactic Acid, Glycerin, Pentylene Glycol, Propanediol, Sodium Hydroxide, Sodium Hyaluronate Crosspolymer, Tasmannia Lanceolata Fruit/Leaf Extract, Acacia Senegal Gum, Xanthan Gum, Isoceteth-20, Trisodium Ethylenediamine Disuccinate, Ethylhexylglycerin, 1,2-Hexanediol, Caprylyl Glycol.

Capacity 30ml

Recomended for All Skin Type

How to use -Apply once per day, ideally in the PM. -Can be diluted with other treatments to reduce strength until skin develops tolerance.

Precautions -Avoid contact with eyes. -If irritation occurs, discontinue use and consult a physician. -Lactic acid should not be used on sensitive, peeling, or compromised skin. -This product contains an AHA that may increase your skin's sensitivity to the sun. Use a sunscreen, wear protective clothing, and limit sun exposure while using this product.