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Shop SK-II Facial Treatment Clear Lotion
Toner
SK-II

Facial Treatment Clear Lotion

~$80· 230ml
Dark spotsRadianceUneven texture

What it's good for

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

  • PiteraModerate evidenceFull dossier ↗

    SK-II's signature ingredient, a specific yeast filtrate that improves clarity and texture over time.

    Good for: Brightening, Hydrating

  • Galactomyces FermentModerate evidenceFull dossier ↗

    A yeast-based ingredient that brightens skin tone and refines the look of pores. Made famous by SK-II essences.

    Good for: Brightening, Hydrating

  • GlycerinModerate evidenceFull dossier ↗

    A workhorse hydrator that pulls water into your skin. In nearly every good moisturizer for a reason.

    Good for: Hydrating

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.

PiteraModerate evidence4 citations

SK-II's signature ingredient, a specific yeast filtrate that improves clarity and texture over time.

Miyamoto K et al., Significant Reversal of Facial Wrinkle, Pigmented Spot and Roughness by Daily Application of Galactomyces Ferment Filtrate-Containing Skin Products for 12 Months—An 11-Year Longitudinal Skin Aging Rejuvenation Study, Journal of Clinical Medicine 2023;12(3):1168 — Pitera is SK-II's commercial name for GFF; this 11-year longitudinal study directly evaluates the same active

2023Positive (efficacy)PMID:36769815View source ↗

Nakajima H et al., Transcriptomic Analysis of Human Keratinocytes Treated with Galactomyces Ferment Filtrate, a Beneficial Cosmetic Ingredient, Journal of Clinical Medicine 2022;11(16):4645 — GFF activates AhR/NRF2 antioxidant pathways while suppressing inflammatory transcripts

2022Mechanism onlyPMID:36012891View source ↗

Anwar AI et al., The effectiveness of Galactomyces ferment filtrate, dexpanthenol, and Centella asiatica combination serum in the treatment of post-acne hyperpigmentation in subjects with skin of color, Skinmed 2021;19(2):110-115 — Pitera is SK-II's commercial name for Galactomyces ferment filtrate; trial covers the same active

2021Positive (efficacy)PMID:33938432View source ↗
Galactomyces FermentModerate evidence5 citations

A yeast-based ingredient that brightens skin tone and refines the look of pores. Made famous by SK-II essences.

Snowball JM et al., Integration of Transcriptomics and Spatial Biology Analyses Reveals Galactomyces Ferment Filtrate Promotes Epidermal Interconnectivity, International Journal of Cosmetic Science 2024

2024Mechanism onlyPMID:38924095View source ↗

Miyamoto K et al., Significant Reversal of Facial Wrinkle, Pigmented Spot and Roughness by Daily Application of Galactomyces Ferment Filtrate-Containing Skin Products for 12 Months—An 11-Year Longitudinal Skin Aging Rejuvenation Study, Journal of Clinical Medicine 2023;12(3):1168 — 86 female volunteers; 12-month daily application reversed wrinkle, spot, and roughness markers that had deteriorated over the prior 11-year interval

2023Positive (efficacy)PMID:36769815View source ↗

Yan X et al., Galactomyces Ferment Filtrate Potentiates an Anti-Inflammaging System in Keratinocytes, Journal of Clinical Medicine 2022;11(21):6338 — GFF activates AHR/NRF2 antioxidant signaling, attenuating inflammaging

2022Mechanism onlyPMID:36362566View source ↗
GlycerinModerate evidence6 citations

A workhorse hydrator that pulls water into your skin. In nearly every good moisturizer for a reason.

Danby SG et al., Different types of emollient cream exhibit diverse physiological effects on the skin barrier in adults with atopic dermatitis, Clinical and Experimental Dermatology 2022;47(6):1154-1164 — glycerol+urea emollient delivered superior barrier-strengthening and irritant protection

2022Positive (efficacy)PMID:35167133View source ↗

Youssef R et al., Glycerol 85% efficacy on atopic skin and its microbiome: a randomized controlled trial, Journal of Dermatological Treatment 2021;32(7):730-736 — topical glycerol 85% RCT on atopic skin

2021Positive (efficacy)PMID:31869257View source ↗

Evans NJ et al., Human axillary skin condition is improved following incorporation of glycerol into the stratum corneum from an antiperspirant formulation, Archives of Dermatological Research 2017;309(9):739-748 — 4% glycerol penetrated axillary SC, reduced irritation, improved hydration

2017Positive (efficacy)PMID:28889318View 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.

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