Shop La Roche-Posay Effaclar Clarifying Solution Acne Toner with Salicylic Acid and Glycolic Acid
Toner
La Roche-Posay

Effaclar Clarifying Solution Acne Toner with Salicylic Acid and Glycolic Acid

~$16
AcneVisible poresDark spotsRadiance

Tracked ingredients

Key actives from our research database. Click any to read the full evidence dossier.

Evidence behind the ingredients

Real citations from our research database — one per tracked active in this product. Click any ingredient name to read its full evidence dossier.

Salicylic AcidStrong evidence7 citations

Goes into your pores and dissolves the oil and dead skin clogging them. Best for blackheads, whiteheads, and oily, acne-prone skin.

Liu Y et al., Clinical Efficacy of a Salicylic Acid-Containing Gel on Acne Management and Skin Barrier Function: A 21-Day Prospective Study, Journal of Cosmetic Dermatology 2025;24(7):e70353 — salicylic acid gel reduced acne lesions, regulated sebum, improved hydration and barrier function

2025Positive — efficacyPMID:40682377View source ↗

Ye R et al., 2% supramolecular salicylic acid hydrogel vs. adapalene gel in mild to moderate acne vulgaris: multicenter, randomized, evaluator-blind, parallel-controlled trial, Journal of Cosmetic Dermatology 2024;23(6):2125-2134 — 2% SSA hydrogel was equally effective as adapalene gel for mild-to-moderate acne

2024Positive — efficacyPMID:38590107View source ↗

Liu H et al., Topical azelaic acid, salicylic acid, nicotinamide, sulphur, zinc and fruit acid for acne, Cochrane Database of Systematic Reviews 2020;5:CD011368 — conclusion: clinical benefit is unclear

2020Meta-analysis — mixedPMID:32356369View source ↗
Glycolic AcidStrong evidence6 citations

Exfoliates the surface of your skin to smooth rough texture and fade dullness. The strongest of the AHAs, so start slow.

Liu H et al., Topical agents for acne (covers AHA / fruit-acid arm), Cochrane Database of Systematic Reviews 2020;5:CD011368 — conclusion: clinical benefit is unclear

2020Meta-analysis — mixedPMID:32356369View source ↗

Sarkar R et al., Comparative Evaluation of Efficacy and Tolerability of Glycolic Acid, Salicylic-Mandelic Acid, and Phytic Acid Combination Peels in Melasma, Dermatologic Surgery 2016;42(3):384-391 — 35% glycolic acid and salicylic-mandelic peels equally effective and safe for melasma in Indian skin

2016Positive — efficacyPMID:26859648View source ↗

Kubiak M et al., Evaluation of 70% glycolic peels versus 15% trichloroacetic peels for the treatment of photodamaged facial skin in aging women, Dermatologic Surgery 2014;40(8):883-891 — both peels improved photodamaged skin; glycolic acid showed faster hydration recovery

2014Positive — efficacyPMID:25068547View source ↗
Snow MushroomModerate evidence5 citations

Often pitched as the gentler cousin of hyaluronic acid. It holds water in the skin, fades less quickly in dry air, and quietly buffers against UV oxidative stress.

Zhang Y et al., iTRAQ-Based Proteomic Profiling of Skin Aging Protective Effects of Tremella fuciformis-Derived Polysaccharides on D-Galactose-Induced Aging Mice, Molecules 2024

2024Mechanism onlyPMID:39519833View source ↗

Cuttlefish ink-derived melanin nanoparticle-embedded Tremella fuciformis polysaccharide hydrogels for treatment of MRSA-infected diabetic wounds, International Journal of Biological Macromolecules 2024 — TFPS hydrogel platform accelerated infected diabetic wound healing in vivo

2024Mechanism onlyPMID:39111486View source ↗

Lin M et al., Tremella fuciformis polysaccharides alleviates UV-provoked skin cell damage via regulation of thioredoxin interacting protein and thioredoxin reductase 2, Photochemistry and Photobiology Sciences 2023;22(10) — topical TFPS treatment in chronic UV-irradiated mouse model reduced photoaging markers and protected skin cells from UVA-induced damage

2023Positive — efficacyPMID:37458972View source ↗

Sources: PubMed · KCI · J-Stage · CNKI · Wanfang · SFD · MFDS · Cochrane · SCCS · CIR. Every entry points to a specific document. See methodology for what each outcome label means.

Layering conflicts

Ingredients in this product that can react with common actives. Avoid stacking unless noted.

  • Retinol + salicylic acid can over-exfoliate and damage the barrier. Alternate nights.

  • Tretinoin + salicylic acid — major irritation risk. Strict separation required.

  • Adapalenemedium

    Adapalene + glycolic acid can over-exfoliate. Alternate nights.

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