La Roche-Posay Effaclar Duo+ Acne Treatment
Dual-action blemish spot and global face treatment that targets active acne lesions while reducing red and brown post-inflammatory hyperpigmentation.
Contains concentration-dependent ingredients (Salicylic Acid (BHA) (WATCH)). Rinse-off formulations are often cleared by OB-GYNs, while leave-ons should be verified.
Contains lipid triggers: Polysorbate 80.
Texture: Lightweight Mattifying Gel-Cream. Apply strictly in order of thinnest water to thickest cream.
4 Actives • 26 Functional • 1 Watchlist
Layering Protocol: What NOT to Mix With This Bottle
- ✕Pure Retinol in the same slot
- ✓Hyaluronic Acid
- ✓Toleriane Hydrating Cleanser
Full INCI Ingredient Declaration
Decoded using Miko's pharmacological database (31 ingredients detected).
Deionized, ultra-purified solvent that serves as the delivery vehicle for hydrophilic actives and humectants.
Master humectant that coordinates with cutaneous aquaporin-3 channels to maintain physiological stratum corneum hydration and plasticity.
Large-chain polymer that forms a breathable, non-comedogenic mesh over the epidermis to prevent moisture evaporation without clogging pores.
Formulation ingredient (emollient, binder, or botanical solvent) standard in cosmetic formulations.
Essential precursor to NAD+/NADP+ energy cofactors. Enhances skin lipid synthesis, decreases sebum excretion rate, and inhibits pigment transfer.
Formulation ingredient (emollient, binder, or botanical solvent) standard in cosmetic formulations.
Formulation ingredient (emollient, binder, or botanical solvent) standard in cosmetic formulations.
Formulation ingredient (emollient, binder, or botanical solvent) standard in cosmetic formulations.
Formulation ingredient (emollient, binder, or botanical solvent) standard in cosmetic formulations.
Formulation ingredient (emollient, binder, or botanical solvent) standard in cosmetic formulations.
Formulation ingredient (emollient, binder, or botanical solvent) standard in cosmetic formulations.
Formulation ingredient (emollient, binder, or botanical solvent) standard in cosmetic formulations.
Formulation ingredient (emollient, binder, or botanical solvent) standard in cosmetic formulations.
Formulation ingredient (emollient, binder, or botanical solvent) standard in cosmetic formulations.
Formulation ingredient (emollient, binder, or botanical solvent) standard in cosmetic formulations.
Formulation ingredient (emollient, binder, or botanical solvent) standard in cosmetic formulations.
Formulation ingredient (emollient, binder, or botanical solvent) standard in cosmetic formulations.
Formulation ingredient (emollient, binder, or botanical solvent) standard in cosmetic formulations.
Formulation ingredient (emollient, binder, or botanical solvent) standard in cosmetic formulations.
Formulation ingredient (emollient, binder, or botanical solvent) standard in cosmetic formulations.
Formulation ingredient (emollient, binder, or botanical solvent) standard in cosmetic formulations.
Sequesters trace mineral ions from water supplies, preventing formula rancidity and preserving active stability.
Oil-soluble beta hydroxy acid that selectively dissolves intracellular lipid bonds inside sebaceous ducts to clear microcomedones.
Essential preservation agent preventing dangerous Pseudomonas, Staphylococcus, and mold growth in aqueous skincare formulations.
Formulation ingredient (emollient, binder, or botanical solvent) standard in cosmetic formulations.
Synthetic or fermentation-derived thickener that gives serums and gels their characteristic slip and prevents formula separation.
Standard cosmetic solubilizer. Chemically contains fatty acid chains that feed Malassezia yeast in fungal-acne-prone profiles.
Formulation ingredient (emollient, binder, or botanical solvent) standard in cosmetic formulations.
Oil-soluble beta hydroxy acid that selectively dissolves intracellular lipid bonds inside sebaceous ducts to clear microcomedones.
Formulation ingredient (emollient, binder, or botanical solvent) standard in cosmetic formulations.
Undisclosed proprietary aromatic blend tracked as a leading contributor to type IV delayed allergic contact dermatitis.
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