


La Roche-Posay Effaclar Ultra Concentrated Serum 30ml – Anti-Imperfections and Marks Face Serum for Acne-Prone Skin, Salicylic Acid & Niacinamide
The Tri-Acid Peeling Innovation: Targeted Clearing Meets Post-Acne Mark Correction
Adult acne-prone skin requires a delicate balance between intensive peeling action to clear micro-congestion and soothing repair to prevent structural skin stress and post-inflammatory hyperpigmentation (PIH). The La Roche-Posay Effaclar Ultra Concentrated Serum successfully addresses this complexity through a multi-depth peeling mechanism that works overnight.
The serum features a high-performance Tri-Acid Complex that safely micro-exfoliates separate layers of the skin barrier:
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1.5% Salicylic Acid (BHA): Penetrates deeply into the sebaceous structures to dissolve trapped oil, sweep away cellular debris, and prevent active breakout triggers.
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3.5% Glycolic Acid (AHA): Dissolves the intercellular bonds on the skin surface to accelerate natural cellular shedding, visibly smoothing rough texture and boosting overall brightness.
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0.4% LHA (Lipo-Hydroxy Acid): Provides a precise, micro-targeted surface exfoliation that gently refines pores and smooths the epidermis without inducing cellular panic or irritation.
This exfoliating network is balanced by a 2% concentration of Niacinamide (Vitamin B3), which strengthens the moisture barrier, interception signals of skin discomfort, and inhibits the pathway of pigment transfer to visibly fade red and dark post-acne marks. Infused with prebiotic Thermal Spring Water, the quick-absorbing fluid locks down a matte finish, making it an essential overnight treatment to restore clear, resilient, and re-texturized skin.
Core Product Highlights
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Advanced Tri-Acid Complex Exfoliation: Blends Salicylic, Glycolic, and LHA to unclog deep pores, eliminate blackheads, and reduce active blemishes.
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Targeted Anti-Mark Correction: Infused with Niacinamide to rapidly fade stubborn post-acne red marks and dark hyperpigmentation spots.
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Visible Anti-Pore Recurrence: Clinically proven to refine rough epidermal texture and shrink enlarged pores for a smooth surface.
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Anti-Shine Fluid Mattification: Lightweight, fast-absorbing texture that controls excess surface sebum production overnight.
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Validated Under Dermatological Control: Non-comedogenic, allergy-tested formula optimized to avoid stripping sensitive, acne-prone tissue.
Specifications & Technical Parameters
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Product Name: La Roche-Posay Effaclar Sérum Ultra Concentré
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Volume: 30 ml / 1.0 fl. oz. Tinted Dropper Bottle
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Texture / Form: Light, non-sticky, fluid aqua-gel
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Skin Type Suitability: Oily, Combination, Acne-Prone, and Blemish-Prone Skin (Adult Acne Specialized)
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Key Actives: 1.5% Salicylic Acid, 3.5% Glycolic Acid, 0.4% LHA, 2.0% Niacinamide, Prebiotic Thermal Spring Water.
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Safety Attributes: Paraben-free, non-comedogenic (won’t clog pores), allergy-tested, dermatologist-tested.
How to Use (Overnight Target Protocol)
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Cleanse your skin thoroughly in the evening using a soap-free wash, such as Effaclar Purifying Foaming Gel.
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Shake the serum bottle gently, fill the glass dropper, and dispense 2 to 3 drops onto your fingertips.
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Smooth the fluid evenly across your entire face, avoiding the immediate eye contour area.
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Massage with light circular motions until the aqua-gel texture is completely absorbed into the skin matrix.
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Follow with a non-comedogenic oil-free moisturizer if extra hydration is required.