The Journal of Dermatology, 2017 · n=609 · rct
Randomized controlled trial (n=609, 12 weeks): Replicates Mills 1986 finding in Asian skin with larger n; 72.7% vs 75.0% vs 41.7% lesion reduction 2.5 vs 5 vs placebo.
La Roche-Posay
La Roche-Posay Effaclar Dual Action Acne Face Wash With 4% Benzoyl Peroxide
$20.99 · Cleanser
Your profile match
Community
Not enough reports yet (0/3).
For your skin
Ideal for
- GoodFine lines & wrinkles
- GoodAcne & breakouts
- GoodDryness
- GoodBlackheads
Not recommended for
Atopic Dermatitis / EczemaRosaceaPsoriasis
Caution
May aggravate: Melasma (Benzoyl Peroxide); Perioral Dermatitis (Fluoride)
Set up a profile to see which of these apply to you.
Ingredients
Key actives
Full ingredient list
Benzoyl Peroxide (4%), Water, Glycerin, Propylene Glycol, Cocamidopropyl Hydroxysultaine, Sodium C14-16 Olefin Sulfonate, Xanthan Gum, Potassium Hydroxide, Sodium Chloride, Sodium Citrate, Niacinamide, Sodium Hyaluronate, Capryloyl Salicylic Acid, Propanediol, Diethylhexyl Sodium Sulfosuccinate, Carbomer, Benzoic Acid, Pentylene Glycol, Sodium Hydroxide, Glycolic Acid, Tetrasodium EDTA, Trisodium Ethylenediamine Disuccinate, Citric Acid
75 studies on 15of this product’s ingredients. These study the ingredient, not this product.
Cochrane Database of Systematic Reviews, 2020 · systematic-review
Systematic review: Current evidence synthesis confirming BPO efficacy for acne moderate certainty of evidence.
International Journal of Dermatology, 1986 · n=153 · rct
Randomized controlled trial (n=153, 8 weeks): Efficacy equivalence across concentrations with tolerability advantage for 2.5%.
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Community outcomes are self-reported member experiences, shown separately from the evidence score — never blended into it. Educational, not medical advice.