Image: theordinary.com
The Ordinary
Lactic Acid 5% + HA
A chemical exfoliant built around AHA and Lactic acid, for hydration and barrier repair.
Brand price
USD 7.29 · checked 25 Sept 2026 · on the brand's site
From the brand
What the brand says about this product. Our ingredient analysis follows below.
The brand recommends it for
- Dry skin
- Sensitive skin
- Dark spots & pigmentation
- Dullness
- Uneven texture
How to use
Apply once daily, ideally in the evening. The formula can be diluted with other products to reduce strength until skin develops tolerance. Do not use on sensitive, peeling, or compromised skin. Avoid the eye contour and contact with eyes. Contact of the product with the skin must be of limited frequency or duration. If irritation occurs, rinse off, cease use, and consult a physician. Use only as directed on unbroken skin. Patch testing prior to use is advised. Keep out of reach of children. 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.
Caution
Do not use on sensitive, peeling, or compromised skin. Avoid the eye contour and contact with eyes. If irritation occurs, rinse off, cease use, and consult a physician. Use only as directed on unbroken skin. Patch testing prior to use is advised. Keep out of reach of children. 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.
What's inside
Ingredients List
1 trigger at least one check · 14 trigger none
Key Ingredients
Hyaluronic acid1
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Benefits
Hydrating4
Boosts hydration and relieves dry, tight skin.
Glycerin, Lactic Acid, Propanediol, Sodium Hyaluronate Crosspolymer
Anti-Pollution2
Helps defend against airborne pollutants.
Concerns
Ingredients Explained
Click on any ingredient to learn more about it
Aqua
Solvent
Lactic Acid
Buffering, Humectant, Skin Conditioning
Lactic Acid is an AHA.
Learn more about Lactic Acid →Glycerin
Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care, Perfuming, Humectant, Skin Protecting, Solvent, Viscosity Controlling
Glycerin may be plant, synthetic or animal depending on the supplier.
Learn more about Glycerin →Pentylene Glycol
Skin Conditioning, Solvent
1,2-Dihydroxypentane
Learn more about Pentylene Glycol →Propanediol
Solvent, Viscosity Controlling
Propanediol is the organic compound that conforms to the formula
Learn more about Propanediol →Sodium Hyaluronate Crosspolymer
Humectant, Skin Conditioning
Sodium Hyaluronate Crosspolymer is a hyaluronic acid.
Learn more about Sodium Hyaluronate Crosspolymer →Tasmannia Lanceolata Fruit/Leaf Extract
Antioxidant, Hair Conditioning, Skin Conditioning
Tasmannia Lanceolata Fruit/Leaf Extract is the extract of the fruit and leaves of Tasmannia lanceolata, Winteraceae.
Learn more about Tasmannia Lanceolata Fruit/Leaf Extract →Acacia Senegal Gum
Film Forming, Fragrance
Acacia Senegal Gum is the dried, gummy exudate of the acacia, Acacia senegal, Leguminosae
Learn more about Acacia Senegal Gum →Xanthan Gum
Binding, Emulsion Stabilising, Gel Forming, Skin Conditioning, Cleansing, Emulsifying, Viscosity Controlling
Xanthan gum
Learn more about Xanthan Gum →Isoceteth-20
Cleansing, Emulsifying
Isoceteth-20 isn't fungal acne safe.
Learn more about Isoceteth-20 →
Dupes
- The Ordinary Lactic Acid 10% + HA100% match
- The Ordinary AHA 30% + BHA 2% Peeling Solution75% match
- Geek & Gorgeous Smooth Out65% match
- Minimalist AHA BHA 10% Face Exfoliator64% match