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La Roche-Posay
Effaclar Mat Mattifying Face Moisturizer for Oily Skin
A face moisturizer built around BHA and Salicylic acid, for barrier repair and smoothing.
Brand price
USD 39.99 · 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
- Oily skin
- Sensitive skin
- Large pores
- Oiliness & shine
How to use
Step 1: Use after cleansing skin thoroughly. Step 2: Apply morning and/or evening to the face.
What's inside
Ingredients List
10 trigger at least one check · 14 trigger none
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Trigger Acne
- May Worsen Keratosis Pilaris
- May Worsen Seborrheic Dermatitis
- Denatured alcohol
- May Worsen Dryness
- May Worsen Eczema
- May Worsen Irritation
- May Worsen Rosacea
Key Ingredients
Benefits
Barrier Repair5
Strengthens and restores the skin's natural barrier.
Dimethicone, Glycerin, Glyceryl Stearate, Isocetyl Stearate, Isohexadecane
Smoothing5
Refines rough or uneven texture.
Dimethicone, Glyceryl Stearate, Isocetyl Stearate, Isohexadecane, Salicylic Acid
Concerns
May Worsen Seborrheic Dermatitis6
May feed the yeast involved in seborrheic dermatitis.
Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Cocamide MEA, Glyceryl Stearate, Isocetyl Stearate, PEG-100 Stearate, Polysorbate 80
May Worsen Keratosis Pilaris2
May clog follicles or strip skin prone to keratosis pilaris.
Ingredients Explained
Click on any ingredient to learn more about it
Aqua
Solvent
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 →Dimethicone
Antifoaming, Skin Conditioning, Emollient, Skin Protecting
Dimethicone is a silicone.
Learn more about Dimethicone →Isocetyl Stearate
Skin Conditioning, Emollient
Isocetyl Stearate isn't fungal acne safe.
Learn more about Isocetyl Stearate →Alcohol Denat.
Antifoaming, Antimicrobial, Astringent, Fragrance, Solvent, Viscosity Controlling
Alcohol Denat. is a drying alcohol.
Learn more about Alcohol Denat. →Silica
Abrasive, Absorbent, Anticaking, Bulking, Opacifying, Viscosity Controlling
Silicon dioxide
Learn more about Silica →Dimethicone/Vinyl Dimethicone Crosspolymer
Skin Conditioning, Viscosity Controlling
Dimethicone/Vinyl Dimethicone Crosspolymer is a silicone.
Learn more about Dimethicone/Vinyl Dimethicone Crosspolymer →Acrylamide/Sodium Acryloyldimethyltaurate Copolymer
Emulsion Stabilising, Viscosity Controlling
2-Methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid monosodium salt polymer with 2-propenamide
Learn more about Acrylamide/Sodium Acryloyldimethyltaurate Copolymer →Methyl Methacrylate Crosspolymer
Film Forming
2-Propenoic acid, 2-methyl-, 1,2-ethanediyl ester, polymer with methyl 2-methyl-2-propenoate
Learn more about Methyl Methacrylate Crosspolymer →Butylene Glycol
Fragrance, Humectant, Skin Conditioning, Solvent, Viscosity Controlling
Butane-1,3-diol (CAS No. 107-88-0/ EC No. 203-529-7) (R)-(-)-butane-1,3-diol” (CAS No. 6290-03-5/ EC No. 228-532-0)
Learn more about Butylene Glycol →