The Ordinary Lactic Acid 10% + HA 2% 30 mL
More Product Information
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, maximising 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.
| Product | The Ordinary Lactic Acid 10% + HA 2% 30 mL |
| Brand | The Ordinary |
| Category | Serum & Treatments |
Directions and Ingredients
- Apply once per day, ideally in the PM.
- Can be diluted with other treatments to reduce strength until skin develops tolerance.
- Avoid contact with eyes.
- If irritation persists, discontinue use and consult a physician.
Aqua (Water), Lactic Acid, Glycerin, Pentylene Glycol, Propanediol, Sodium Hydroxide, Sodium Hyaluronate Crosspolymer, Tasmannia Lanceolata Fruit/Leaf Extract, Hydroxyethylcellulose, Isoceteth-20, Trisodium Ethylenediamine Disuccinate, Ethylhexylglycerin, 1,2-Hexanediol, Caprylyl Glycol.
Warnings and Disclaimers
Contraindications: Lactic Acid should not be used on sensitive, peeling or compromised skin.
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 a sunscreen, wear protective clothing, and limit sun exposure while using this product and for a week afterwards. Please refer to additional sun protection notes and other warnings in directions provided in and on the pack.
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 a sunscreen, wear protective clothing, and limit sun exposure while using this product and for a week afterwards. Please refer to additional sun protection notes and other warnings in directions provided in and on the pack.
All reasonable efforts have been made to ensure that ingredient listings, product images and other information for products displayed on this website are up to date, accurate and complete. However, we still recommend that you please check the ingredient listings on a product before use.
Rating & Reviews
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3 April 2018
Great product
I mix this with The Ordinary's Buffet, to avoid the tingling sensation. I have very sensitive skin, so this hasn't been an issue for me. -
14 February 2018
Works very well on acne-prone skin with another serum
Never use this alone because it will be too drying. But combining it with another hydrating/anti-aging serum can do wonders. -
