Saisei Biomimetic Peptide Treatment Essence
The NatureLab Tokyo Saisei Biomimetic Peptide Treatment Essence is a emulsion. Our analysis of its 34 ingredients (23 low-risk) rates it Excellent (96/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin.
The NatureLab Tokyo Saisei Biomimetic Peptide Treatment Essence is a emulsion. Our analysis of its 34 ingredients (23 low-risk) rates it Excellent (96/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin.
Summarised from our ingredient analysis — not brand marketing copy.
The evidence
| EWG | CIR | Ingredient Name & Cosmetic Functions | Notes |
|---|---|---|---|
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Water
(Solvent) |
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Alcohol
(Antifoaming Agent, Antimicrobial, Astringent, Masking, Solvent, Viscosity Controlling) |
Bad for Dry Skin
Bad for Sensitive Skin
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Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling) |
Good for Dry Skin
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Glycerin
(Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care Agent, Oral Health Care Drug, Skin Protecting, Viscosity Decreasing Agent, Perfuming, Solvent) |
Good for Dry Skin
Fungal Acne Trigger
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Malus Domestica Fruit Cell Culture Extract
(Skin Conditioning) |
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Epilobium Angustifolium Flower/Leaf/Stem Extract
(Skin Conditioning) |
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Phyllostachys Pubescens Meristem Cell Lysate
(Skin Conditioning) |
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Acetyl Tetrapeptide-3
(Skin Protecting) |
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Trifolium Pratense Flower Extract
(Astringent, Fragrance) |
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Palmitoyl Tetrapeptide-20
(Antioxidant) |
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Trifluoroacetyl Tripeptide-2
(Skin Conditioning) |
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Glutamic Acid
(Fragrance, Hair Conditioning, Humectant, Antistatic Agent) |
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Sodium PCA
(Hair Conditioning, Humectant, Antistatic Agent, Skin Conditioning) |
Good for Dry Skin
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Picea Mariana Bark Extract
(Antioxidant, Skin Conditioning) |
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Eisenia Arborea Extract
(Skin Conditioning) |
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Porphyra Yezoensis Extract
(Skin Conditioning) |
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Rhododendron Ferrugineum Leaf Cell Culture Extract
(Skin Conditioning) |
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Isomalt
(Anticaking Agent, Bulking Agent, Flavoring Agent, Humectant) |
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Argania Spinosa Kernel Oil
(Emollient, Skin Conditioning) |
Fungal Acne Trigger
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Sclerocarya Birrea Seed Oil
(Hair Conditioning, Humectant) |
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SIMMONDSIA CHINENSIS SEED OIL
(Hair Conditioning, Skin Conditioning, Skin Conditioning Emollient) |
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Dextran
(Binding Agent, Bulking Agent, Binding, Viscosity Controlling) |
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Menthol
(Denaturant, External Analgesic, Flavoring Agent, Fragrance, Oral Health Caredrug, Masking, Refreshing, Soothing) |
Good for Oily Skin
Bad for Sensitive Skin
Bad for Dry Skin
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Acrylates/C10-30 Alkyl Acrylate Crosspolymer
(Emulsion Stabilising, Film Forming, Viscosity Controlling) |
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Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling) |
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Polysorbate 20
(Emulsifying, Surfactant) |
Fungal Acne Trigger
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Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Antistatic Agent, Emollient) |
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PEG-60 Hydrogenated Castor Oil
(Fragrance, Sufactant, Surfactant) |
Fungal Acne Trigger
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Sodium Hydroxide
(Denaturant, Ph Adjuster, Buffering Agent) |
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Lactic Acid
(Exfoliant, Fragrance, Humectant, Ph Adjuster, Skin Conditioning Agent Humectant, Skin Conditioning, Buffering Agent) |
Bad for Sensitive Skin
|
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Sodium Metabisulfite
(Antioxidant, Preservative, Reducing) |
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Tetrasodium Etidronate
(Chelating Agent, Emulsion Stabilising, Viscosity Controlling) |
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Etidronic Acid
(Chelating Agent) |
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Phenoxyethanol
(Fragrance, Preservative) |
Paraben
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How to use
General guidance from this product's category and active ingredients — always follow the directions on the package.
Trust & honesty
The concentrations these actives are typically effective at in research — not a measurement of this product.
OTC leave-on AHAs are usually 5–10%. The effect also depends on pH and free-acid value, not the percentage alone.
Lactic Acid
INCI lists don't disclose amounts, and we don't claim to know this product's levels — these are the ranges these ingredients are usually effective at, so you can tell a real formula from "fairy-dusting" a marketed active. How we estimate this.
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