About Lactic Acid 5% + HA. The Ordinary Lactic Acid 5% + HA 2% (£5.50): available at Adore Beauty, Cult Beauty and Feel Unique ... ETP, I would recommend switching from glycolic to salicylic acid a week before your period to avoid … For a higher-strength formulation, try The Ordinary. Lactic Acid 5% + HA is a mild exfoliating serum with lactic acid and hyaluronic acid. Lactic Acid … What The Ordinary says about it’s Lactic Acid 5% + HA product “Lactic Acid is an alpha hydroxy acid that exfoliates the skin. This 5% formulation offers very mild exfoliation and is … Why It’s Special. What it is: An alpha hydroxy acid that exfoliates the skin. This 5% formulation offers very mild exfoliation and is supported … The Ordinary's Lactic Acid 5% + HA is a mild lactic acid superficial peeling formulation. Skin Type: Normal Skincare Concerns: Fine Lines and Wrinkles, Dullness, and Uneven Texture Formulation: Liquid Ingredient Callouts: Free of … This treatment gently resurfaces the skin to promote a bright, even tone and a smooth, soft texture. Lactic Acid is an alpha hydroxyl acid that exfoliates the skin.