La Roche-Posay
Effaclar Salicylic Acid Acne Treatment SerumA serum built around AHA and Glycolic acid, for smoothing and brightening.
A serum built around Niacinamide and BHA, for hydration and barrier repair.
Brand price
USD 44.99 · checked 25 Sept 2026 · brand's site
Brand price
INR 599.00 · checked 28 Sept 2026 · brand's site
At a Glance
They come out differently on Fragrance-free and Alcohol-free; those rows are shaded. Tap any answer to see why.
Key Ingredients
Hyaluronic acid1
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Benefits
Hydrating6
Boosts hydration and relieves dry, tight skin.
Ethoxydiglycol, Glycerin, Methyl Gluceth-20, Propanediol, Propylene Glycol, Sodium Hyaluronate
Barrier Repair4
Strengthens and restores the skin's natural barrier.
Glycerin, Hordeum Vulgare Extract, Niacinamide, Propylene Glycol
Smoothing4
Refines rough or uneven texture.
Citric Acid, Hordeum Vulgare Extract, Niacinamide, Salicylic Acid
Concerns
May Worsen Seborrheic Dermatitis3
May feed the yeast involved in seborrheic dermatitis.
PEG-30 Glyceryl Cocoate, PEG-40 Hydrogenated Castor Oil, PEG-60 Hydrogenated Castor Oil
May Worsen Seborrheic Dermatitis1
May feed the yeast involved in seborrheic dermatitis.
Ingredients Side-by-side
Skin Conditioning
Fragrance
0 / —
- Denatured alcohol
- May Worsen Dryness
- May Worsen Eczema
- May Worsen Irritation
- May Worsen Rosacea
Niacinamide (in both products)
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Skin Conditioning
Niacinamide (in both products)
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Propanediol
Solvent, Viscosity Controlling
Propanediol is the organic compound that conforms to the formula
Learn more about Propanediol →Niacinamide
Smoothing
Niacinamide is niacinamide.
Learn more about Niacinamide →Dimethyl Isosorbide
Solvent, Viscosity Controlling
1,4:3,6-Dianhydro-2,5-di-O-methyl-D-glucitol
Learn more about Dimethyl Isosorbide →Pentylene Glycol
Skin Conditioning, Solvent
1,2-Dihydroxypentane
Learn more about Pentylene Glycol →Sodium Hydroxide
Buffering, Denaturant
Sodium hydroxide
Learn more about Sodium Hydroxide →Citric Acid
Buffering, Chelating, Fragrance
Citric Acid is an AHA.
Learn more about Citric Acid →PEG-40 Hydrogenated Castor Oil
Cleansing, Emulsifying
PEG-40 Hydrogenated Castor Oil isn't fungal acne safe.
Learn more about PEG-40 Hydrogenated Castor Oil →
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