Tatcha brightening and firming vitamin c serum

成分一覧

成分はラベル順に記載されています。色は当社の内部評価です：緑＝ routinely OK、黄＝制限ありまたは要確認、赤＝禁止または高リスク、灰＝未解読。

成分はラベル順に記載されていますが、順序はラベルのみを示し、正確な含有量は反映していません。

1. Aqua/Water/Eau
2. Saccharomyces/Rice Ferment Filtrate
3. グリセリン
4. プロパンジオール
5. ブチレングリコール
6. Ascorbyl Glucoside
7. Honey Extract/Extrait De Miel
8. Camellia Sinensis Leaf Extract
9. Cladosiphon Okamuranus Extract
10. Ferulic Acid
11. Angelica Acutiloba Root Extract
12. Prunus Mume Fruit Extract
13. ヒアルロン酸ナトリウム
14. Glycyrrhiza Glabra Root Extract
15. Callicarpa Japonica Fruit Extract
16. Ziziphus Jujuba Fruit Extract
17. Artemisia Capillaris Flower Extract
18. Scutellaria Baicalensis Root Extract
19. Morus Alba Root Extract
20. PPG-13-Decyltetradeceth-24
21. Lysine Carboxymethyl Cysteinate
22. Dipotassium Glycyrrhizate
23. キサンタンガム
24. 1,2-Hexanediol
25. Polyglyceryl-10 Diisostearate
26. クエン酸
27. Polyglyceryl-10 Laurate
28. Sodium Citrate
29. Isostearic Acid
30. Parfum/Fragrance
31. Ethylhexylglycerin
32. Potassium Hydroxide
33. Chlorphenesin
34. フェノキシエタノール
35. Citral
36. Citrus Aurantium Bergamia Peel Oil
37. Citrus Limon Peel Oil
38. Eucalyptus Globulus Oil
39. Juniperus Virginiana Oil
40. Lavandula Oil
41. Extract
42. Limonene
43. Linalool
44. Linalyl Acetate
45. Pinene

注目ポイント

Free of alcoholFree of parabensFree of siliconesFree of sulfatesFree of mineral oilFree of formaldehyde releasersContains animal-derivedContains fragranceContains EU-26 allergensContains essential oilsContains PEG

配合構成表示 A water-based serum utilizing rice ferment filtrate and polyols. It features stable ascorbyl glucoside paired with ferulic acid and green tea for antioxidant effects, thickened with xanthan gum. Preserved with chlorphenesin and phenoxyethanol. Ideal for brightening and firming mixed skin types. Factory note: The slow-release Vitamin C derivative balances efficacy with formulation stability.

主要成分

溶剂

Aqua/Water/Eau

肌保護

Saccharomyces/Rice Ferment Filtrate

DENATURANT

グリセリン

SOLVENT

プロパンジオール

HUMECTANT

ブチレングリコール

ANTIOXIDANT

Ascorbyl Glucoside

保湿剂

Honey Extract/Extrait De Miel

ANTIMICROBIAL

Camellia Sinensis Leaf Extract

その他の成分

Cladosiphon Okamuranus ExtractFerulic AcidAngelica Acutiloba Root ExtractPrunus Mume Fruit Extractヒアルロン酸ナトリウムGlycyrrhiza Glabra Root ExtractCallicarpa Japonica Fruit ExtractZiziphus Jujuba Fruit ExtractArtemisia Capillaris Flower ExtractScutellaria Baicalensis Root ExtractMorus Alba Root ExtractPPG-13-Decyltetradeceth-24Lysine Carboxymethyl CysteinateDipotassium Glycyrrhizateキサンタンガム1,2-HexanediolPolyglyceryl-10 Diisostearateクエン酸Polyglyceryl-10 LaurateSodium CitrateIsostearic AcidParfum/FragranceEthylhexylglycerinPotassium HydroxideChlorphenesinフェノキシエタノールCitralCitrus Aurantium Bergamia Peel OilCitrus Limon Peel OilEucalyptus Globulus OilJuniperus Virginiana OilLavandula OilExtractLimoneneLinaloolLinalyl AcetatePinene

ざっと見る

成分解説

Aqua/Water/Eau

Water as solvent/base; main ingredient, microbial control needed, paired with preservatives.

Saccharomyces/Rice Ferment Filtrate

Yeast/rice ferment filtrate with bioactive metabolites; moisturizing and skin-conditioning; natural origin, monitor microbial stability.

グリセリン

Workhorse humectant at 3–10%; tacky at high levels, pair with occlusives

プロパンジオール

Polyol solvent at 1–5%; light feel, aids solubilization, propylene glycol alternative

ブチレングリコール

Polyol humectant and solvent at 1–5%; aids solubilization, light feel

Ascorbyl Glucoside

Stable Vitamin C derivative, antioxidant; more stable than pure ascorbic acid, releases activity slowly in neutral/basic conditions.

Honey Extract/Extrait De Miel

Honey extract for hydration and soothing; hygroscopic, may feel tacky at high levels, adjust formulation accordingly.

Camellia Sinensis Leaf Extract

Green tea extract for antioxidant/astringent; contains caffeine, possible irritation in sensitive skin.

Cladosiphon Okamuranus Extract

Cladosiphon okamuranus extract containing polysaccharides, used for moisturizing and skin conditioning

Ferulic Acid

Antioxidant, often combined with vitamin C and E; 0.5-2%, photolabile

Angelica Acutiloba Root Extract

Herbal extract with flavonoids; skin conditioning agent, low photosensitization risk, potential irritation at high concentrations.

Prunus Mume Fruit Extract

Fruit extract as humectant; contains natural polysaccharides, water-soluble.

ヒアルロン酸ナトリウム

Potent humectant at 0.1–2%; different MW for penetration depth, high levels may draw moisture

Glycyrrhiza Glabra Root Extract

Liquorice root extract for soothing and brightening; batch variability, watch polyphenol interactions

Callicarpa Japonica Fruit Extract

Japanese Callycarpa fruit extract, traditionally for antimicrobial and astringent effects; generally mild at typical levels.

Ziziphus Jujuba Fruit Extract

Natural antioxidant extract; polyphenols, prone to browning.

Artemisia Capillaris Flower Extract

Artemisia flower extract for skin conditioning; alkaloid content, assess tolerance for sensitive skin

Scutellaria Baicalensis Root Extract

Scutellaria root extract with baicalin for antioxidant and soothing effects; also provides astringent and humectant properties.

Morus Alba Root Extract

Mulberry root extract with resveratrol-like compounds; whitening and conditioning; plant-based, control concentration to avoid irritation.

PPG-13-Decyltetradeceth-24

Nonionic emulsifier/solubilizer; low foam, mild, for emulsions, avoid with soaps to prevent precipitation

Lysine Carboxymethyl Cysteinate

Amino acid complex for hair waving/straightening; also used as a skin conditioning agent.

Dipotassium Glycyrrhizate

Dipotassium glycyrrhizinate for moisturizing/soothing; inhibits 5-LOX, water-soluble, for sensitive skin.

キサンタンガム

Natural thickener at 0.1–1%; provides gel texture, pH-stable, requires full hydration

1,2-Hexanediol

Polyol solvent and preservative booster at 1–5%; light feel, can replace some traditional preservatives

Polyglyceryl-10 Diisostearate

Mild non-ionic emulsifier for lotions; low irritancy, no strong sensitization data, concentration depends on formula, suitable for sensitive skin formulas.

クエン酸

Buffer and chelator at 0.1–2%; adjusts pH, may irritate sensitive skin at low pH

Polyglyceryl-10 Laurate

Mild non-ionic emulsifier for O/W systems; cetyl ester structure may irritate sensitive skin, use at 0.5-3%.

Sodium Citrate

Sodium citrate for buffering and chelating; adjust pH, careful with strong acid reactions.

Isostearic Acid

Fatty acid derivative as emulsifier auxiliary and emollient; insoluble, requires homogenization, may feel slightly greasy

Parfum/Fragrance

Blended fragrance for odor; contains 26 restricted allergens, use caution in sensitive/child/eye products, verify compliance.

Ethylhexylglycerin

Mild conditioner and preservative booster at 0.5–1%; reduces preservative load, smooth feel

Potassium Hydroxide

Strong alkali pH adjuster, trace usage (<0.1%); corrosive, must be neutralized.

Chlorphenesin

Phenolic antimicrobial; strict EU limits apply, potential allergen, careful dosing required for leave-on products.

フェノキシエタノール

Broad-spectrum preservative at ≤1%; may irritate sensitive eye areas, often paired with ethylhexylglycerin

Citral

Citral; citrus fragrance component, listed EU allergen, high phototoxicity risk, strict concentration limits apply.

Citrus Aurantium Bergamia Peel Oil

Bergamot peel oil with EU limits; furanocoumarin content causes photosensitivity, avoid in AM or stabilize

Citrus Limon Peel Oil

Lemon peel oil for fragrance/skin conditioning; contains allergens, mind phototoxicity and compliance

Eucalyptus Globulus Oil

Eucalyptus oil for cooling sensation and fragrance; use low concentration for sensitive skin to avoid irritation

Juniperus Virginiana Oil

Virginia juniper oil for fragrance/tonic; contains terpenes, irritant, control concentration.

Lavandula Oil

Lavender essential oil for perfuming; contains linalool and geraniol, listed allergens requiring controlled usage.

Extract

Unspecified extract with unknown function; requires supplier species ID and certification before use

Limonene

Natural fragrance solvent, EU allergen; poor photostability

Linalool

Natural fragrance component at ≤0.05%; one of EU 26 allergens, caution for sensitive skin

Linalyl Acetate

Fragrance component for floral notes; one of EU 26 allergens, limited by III/337

Pinene

Essential oil component and defoamer with EU limits; oxidizes to allergens, store protected, use limited

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