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Shop Sunday Riley Good Genes All-In-One Lactic Acid Treatment
Treatment
Sunday Riley

Good Genes All-In-One Lactic Acid Treatment

~$85· 30mlPM only
Uneven textureDark spotsRadianceFine lines & firmness

What it's good for

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

  • Lactic AcidStrong evidenceFull dossier ↗

    A gentler exfoliator that also hydrates as it works. Good entry point if you have sensitive skin and want to try acids.

    Good for: Exfoliating, Hydrating

  • Licorice RootModerate evidenceFull dossier ↗

    A gentle Asian-skincare brightener derived from licorice root. Fades dark spots and calms redness, and it's a pregnancy-safe alternative to stronger fade ingredients.

    Good for: Brightening, Anti-inflammatory

New to this? Patch test on your inner arm for 24 to 48 hours before applying to your face. If you have sensitive skin or rosacea, start 2 to 3 times per week and build up slowly.

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.

Lactic AcidStrong evidence5 citations

A gentler exfoliator that also hydrates as it works. Good entry point if you have sensitive skin and want to try acids.

Fanning N et al., Treatment of mild-to-moderate facial cutaneous aging using a combination peel containing 6% trichloroacetic acid and 12% lactic acid, Journal of Cosmetic Dermatology 2023;22(11):3033-3041 — three monthly peels significantly improved clarity, pigmentation, fine lines, roughness in 32 subjects

2023Positive (efficacy)PMID:37227430View source ↗

Tang SC, Yang JH, Dual effects of alpha-hydroxy acids on the skin, Molecules 2018;23(4):863 — effect concentration-dependent

2018Positive (efficacy)PMID:29642579View source ↗

Babilas P et al., Cosmetic and dermatologic use of alpha hydroxy acids, JDDG: Journal der Deutschen Dermatologischen Gesellschaft 2012 — supports AHAs including lactic acid for photoaging, pigmentation, and barrier effects

2012Meta-analysis (positive)PMID:22916351View source ↗
Licorice RootModerate evidence9 citations

A gentle Asian-skincare brightener derived from licorice root. Fades dark spots and calms redness, and it's a pregnancy-safe alternative to stronger fade ingredients.

Glabridin Inhibits Melanogenesis and Melanin Transfer via Wnt/beta-Catenin Pathway and Rho Family GTPase-Mediated Dendritic Formation Suppression, Pharmaceuticals (Basel) 2026;19(3) — glabridin (the licorice-root active) suppressed melanin synthesis and keratinocyte melanin transfer in vitro via Wnt/beta-Catenin and Rho-GTPase dendrite suppression

2026Mechanism onlyPMID:41901315View source ↗

Liu Y et al., Glycyrrhiza glabra extract as a skin-whitening agent: Identification of active components and CRTC1/MITF pathway-inhibition mechanism, Journal of Ethnopharmacology 2025;349:119948 — identifies glabridin as the principal active and maps skin-whitening mechanism via CREB/CRTC1/MITF suppression

2025Mechanism onlyPMID:40350048View source ↗

Wang JY et al., Preparation of compound liquorice microemulsion gel and its pharmacodynamics evaluation, Zhongguo Zhong Yao Za Zhi (China Journal of Chinese Materia Medica) 2020;45(21):5193-5199 — compound licorice (Glycyrrhiza) microemulsion gel significantly reduced ear swelling and inflammatory infiltration in chronic eczema mouse model

2020Positive (efficacy)PMID:33350235View source ↗

Sources: 10 clinical journals and regulatory databases across the US, EU, Korea, Japan, and China. Every entry points to a specific document. See methodology for the full list and what each outcome label means.

Layering conflicts

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

  • Tretinoin + lactic acid — stack of two active resurfacers, very irritating.

  • Retinolmedium

    Retinol + lactic acid is gentler than glycolic but still alternate nights to be safe.

Similar comparisons

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Not medical advice. GlowPal is educational. Patch-test new products and talk to a qualified healthcare professional before changing your routine, especially if you're pregnant, nursing, or have a diagnosed skin condition. See our terms.