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Effaclar DUO+M Acne Treatment
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La Roche-Posay Effaclar DUO+M – Targeted Acne Treatment for Oily, Sensitive Skin Effaclar DUO+M is an advanced daily treatment serum formulated to visibly reduce acne, blackheads, and post-blemish marks—without irritating sensitive skin.
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What it is and what it does
La Roche-Posay Effaclar DUO+M – Targeted Acne Treatment for Oily, Sensitive Skin
Effaclar DUO+M is an advanced daily treatment serum formulated to visibly reduce acne, blackheads, and post-blemish marks—without irritating sensitive skin. Powered by salicylic acid, niacinamide, and LHA (Lipo-Hydroxy Acid), it works deep within pores to refine skin texture, calm redness, and prevent future breakouts.
Key Benefits:
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Helps clear existing acne and prevent new blemishes
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Reduces blackheads by up to 66% and blemishes by 44% in 4 weeks*
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Minimizes visible redness and blemish size within 8 hours
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Refines skin texture and fades post-acne marks and discoloration
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Lightweight, oil-controlling formula that won’t clog pores
Why It Works:
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Salicylic acid exfoliates and keeps pores clear
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Niacinamide soothes inflammation and supports skin barrier repair
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LHA provides gentle surface exfoliation to improve texture
Ideal For:
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Oily, combination, or acne-prone skin types—including sensitive skin
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Managing blackheads, whiteheads, and residual acne marks
Non-comedogenic and tested under dermatological control, Effaclar DUO+M is a powerful yet gentle option that works well with personalized regimens based on your Baumann Skin Type. Learn your skin type at SkinTypeSolutions.com to optimize your routine.
Key ingredients

Anti redness exfoliant that gets thru skin oil to remove blackheads. Calms acne and rosacea. Loved by oily skin types.
Full ingredient list
Product type and skin type data
| Brand | La Roche-Posay |
|---|---|
| Product type | Treatments & Serums |
| Item number | LRP-26065 |
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