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Shop TATCHA Pure One Step Camellia Cleansing Oil 150ml
Cleanser
TATCHA

Pure One Step Camellia Cleansing Oil 150ml

~$50· 150ml
RednessDrynessRadiance

What it's good for

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

  • Rice Bran ExtractModerate evidenceFull dossier ↗

    A traditional Japanese brightener with built-in antioxidants. Softens, hydrates, and adds glow.

    Good for: Brightening, Antioxidant

  • Camellia OilModerate evidenceFull dossier ↗

    A lightweight Japanese plant oil that hydrates and seals in moisture without feeling heavy.

    Good for: Hydrating, Barrier repair

  • Rice Ferment FiltrateAnecdotal evidenceFull dossier ↗

    The rice-water glow trend behind viral rice toners and essences. Lab and animal studies point to brightening and hydration, but human studies are still thin. Think of it as a pleasant, low-risk hydrator with promising early evidence rather than a proven brightener.

    Good for: Brightening, Hydrating

  • EGCG (Green Tea)Strong evidenceFull dossier ↗

    A polyphenol from green tea that calms UV-triggered redness and reinforces your sunscreen as a second line of antioxidant defense.

    Good for: Antioxidant, Anti-inflammatory, Sun protection

  • Vitamin EModerate evidenceFull dossier ↗

    A workhorse antioxidant that defends your skin from daily oxidative damage. Pairs especially well with vitamin C, and it's in nearly every good moisturizer for a reason.

    Good for: Antioxidant

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.

Rice Bran ExtractModerate evidence5 citations

A traditional Japanese brightener with built-in antioxidants. Softens, hydrates, and adds glow.

Zhou J et al., Exploratory study on the effect of ferulic acid derived from rice bran on dull skin, Drug Discoveries & Therapeutics 2026 (online ahead of print) — topical rice-bran ferulic acid improved facial dullness/melanin index

2026Positive (efficacy)PMID:42324157View source ↗

Zamil DH et al., Dermatological uses of rice products: Trend or true?, Journal of Cosmetic Dermatology 2022;21(11):6056-6060 — review of rice-derived ingredients with antiaging, anti-inflammatory, brightening, photoprotective effects

2022Mechanism onlyPMID:35587098View source ↗

Miyasaka K et al., Anti-melanogenic effects of glucosylceramides and elasticamide derived from rice oil by-products in melanoma cells, melanocytes, and human skin, Journal of Food Biochemistry 2022;46(10):e14353 — rice-derived ceramides/elasticamide suppressed UV-induced pigmentation

2022Positive (efficacy)PMID:35986572View source ↗
Camellia OilModerate evidence4 citations

A lightweight Japanese plant oil that hydrates and seals in moisture without feeling heavy.

Jiao Y et al., Restorative effects of camellia oil on the skin-barrier function in a model of DNCB-induced atopic dermatitis, European Journal of Histochemistry 2025;69(1):4147 — topical camellia oil improved AD symptoms, upregulated filaggrin, reduced inflammatory infiltration in mouse model

2025Positive (efficacy)PMID:39836107View source ↗

Chaikul P et al., Melanogenesis Inhibitory and Antioxidant Effects of Camellia oleifera Seed Oil, Advanced Pharmaceutical Bulletin 2017;7(3):473-477 — camellia oil demonstrated tyrosinase inhibition, reduced melanin content, antioxidant cellular protection

2017Positive (efficacy)PMID:29071231View source ↗

Kim S et al., Anti-inflammatory activity of Camellia japonica oil, BMB Reports 2012;45(3):177-182 — suppressed pro-inflammatory cytokine and NO production in LPS-stimulated macrophages

2012Mechanism onlyPMID:22449705View source ↗
Rice Ferment FiltrateAnecdotal evidence3 citations

The rice-water glow trend behind viral rice toners and essences. Lab and animal studies point to brightening and hydration, but human studies are still thin. Think of it as a pleasant, low-risk hydrator with promising early evidence rather than a proven brightener.

Yan X, Yang M, Cai X, et al., Fermented rice bran extract delays skin aging by increasing the synthesis of collagen and elastin, Front Pharmacol 2025;16:1692491 — across cell, 3D-tissue and mouse models fermented rice bran extract increased collagen and elastin, reduced TEWL and improved elasticity

2025Mechanism onlyDOI:10.3389/fphar.2025.1692491View source ↗

Yang F et al., In Vitro Anti-Aging Effects of Yeast/Rice Fermentation Filtrate Combined with Sialic Acid in Cosmetic Applications, Antioxidants (Basel) 2025

2025Mechanism onlyPMID:41154493View source ↗

Sangkaew O, Yompakdee C, Fermented Unpolished Black Rice (Oryza sativa L.) Inhibits Melanogenesis via ERK, p38, and AKT Phosphorylation in B16F10 Melanoma Cells, J Microbiol Biotechnol 2020;30(8):1184-1194 — fermented black rice reduced melanin and tyrosinase activity in vitro (anti-melanogenesis mechanism)

2020Mechanism onlyPMID:32423183View source ↗
+2 more ingredients
EGCG (Green Tea)Strong evidence7 citations

A polyphenol from green tea that calms UV-triggered redness and reinforces your sunscreen as a second line of antioxidant defense.

Detudom P, Kamanamool N, Paichitrojjana A, Udompataikul P, Udompataikul M, Efficacy of anti-sebum moisturizing cream containing 2% l-carnitine and 5% epigallocatechin gallate in seborrhea, Journal of Cosmetic Dermatology 2023;22(11):3058-3064 — Thai RCT showed EGCG-containing cream significantly reduced sebum and improved hydration in seborrhea

2023Positive (efficacy)PMID:37194909View source ↗

Ud-Din S et al., A Double-Blind, Randomized Trial Shows the Role of Zonal Priming and Direct Topical Application of Epigallocatechin-3-Gallate in the Modulation of Cutaneous Scarring in Human Skin, Journal of Investigative Dermatology 2019;139(8):1680-1690 — topical EGCG reduced scar thickness weeks 1-3 and increased elasticity at week 4 vs placebo

2019Positive (efficacy)PMID:30822414View source ↗

Kim YR et al., Clinical Evaluation of a New-Formula Shampoo for Scalp Seborrheic Dermatitis Containing Rosa centifolia + EGCG: A Randomized Double-Blind Controlled Study, Annals of Dermatology 2014;26(6):733-8 — EGCG-containing shampoo matched ketoconazole and zinc pyrithione efficacy; faster erythema response than 1% zinc pyrithione

2014Positive (efficacy)PMID:25473226View source ↗
Vitamin EModerate evidence6 citations

A workhorse antioxidant that defends your skin from daily oxidative damage. Pairs especially well with vitamin C, and it's in nearly every good moisturizer for a reason.

Neves JR et al., Efficacy of a topical serum containing L-ascorbic acid, neohesperidin, pycnogenol, tocopherol, and hyaluronic acid in relation to skin aging signs, Journal of Cosmetic Dermatology 2022;21(10):4462-4469 — tocopherol-containing antioxidant serum reduced pollution-induced damage and improved aging signs

2022Positive (efficacy)PMID:35150043View source ↗

Warshaw EM et al., Patch Testing With Tocopherol and Tocopherol Acetate: The North American Contact Dermatitis Group Experience, 2001 to 2016, Dermatitis 2021;32(5):308-318 — 15-year NACDG data: positive patch-test reactions to tocopherol rare given widespread cosmetic use

2021Safety assessmentPMID:34238818View source ↗

Lin FH et al., Ferulic acid stabilizes a solution of vitamins C and E and doubles its photoprotection of skin, Journal of Investigative Dermatology 2005;125(4):826-832 — ferulic acid + vit C + vit E combo doubled photoprotection vs C+E alone (cross-listed; same paper cited for Ferulic Acid and Vit C)

2005Positive (efficacy)PMID:16185284View 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.

Similar comparisons

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