Flawless Dark Spot Serum
The Sepai Flawless Dark Spot Serum is a serums, essence, ampoule. Our analysis of its 32 ingredients (25 low-risk) rates it Excellent (99/100). Based on its ingredients, it looks well-suited to oily / acne-prone skin. Heads up: it contains fragrance, which can irritate sensitive or reactive skin.
The Sepai Flawless Dark Spot Serum is a serums, essence, ampoule. Our analysis of its 32 ingredients (25 low-risk) rates it Excellent (99/100). Based on its ingredients, it looks well-suited to oily / acne-prone skin. Heads up: it contains fragrance, which can irritate sensitive or reactive 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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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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Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling) |
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Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing) |
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Alpha-Arbutin
(Antioxidant, Skin Conditioning) |
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Tranexamic Acid
(Cosmetic Astringent, Skin Conditioning) |
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Bellis Perennis Flower Extract
(Skin Conditioning) |
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Lysolecithin
(Emulsifying, Surfactant) |
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Saccharide Isomerate
(Humectant) |
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Bakuchiol
(Cosmetic Biocide, Antimicrobial) |
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Decarboxy Carnosine HCl
(Skin Conditioning, Antistatic Agent, Hair Conditioning) |
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Pistacia Lentiscus Gum
(Film Forming, Fragrance) |
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Pullulan
(Binding Agent, Film Forming, Binding) |
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Sclerotium Gum
(Emulsion Stabilising, Skin Conditioning, Viscosity Increasing Agent, 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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Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent) |
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Helianthus Annuus Seed Oil
(Fragrance, Skin Conditioning, Skin Conditioning Emollient) |
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TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning) |
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Silica
(Abrasive, Absorbent, Anticaking Agent, Bulking Agent, Opacifying, Viscosity Controlling) |
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Potassium Phosphate
(Ph Adjuster, Buffering Agent) |
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Disodium Phosphate
(Buffering Agent, Anticorrosive, Fragrance, Ph Adjuster, Masking) |
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Potassium Chloride
(Viscosity Increasing Agent, Viscosity Controlling) |
Bad for Oily Skin
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Sodium Chloride
(Bulking Agent, Masking, Oral Care Agent, Viscosity Controlling) |
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Sodium Hydroxide
(Denaturant, Ph Adjuster, Buffering Agent) |
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Dehydroacetic Acid
(Preservative) |
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Phytic Acid
(Chelating Agent, Oral Care Agent) |
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Benzoic Acid
(Fragrance, Ph Adjuster, Preservative, Bulking Agent, Masking) |
Bad for Sensitive Skin
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Sorbic Acid
(Fragrance, Preservative) |
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Benzyl Alcohol
(External Analgesic, Fragrance, Oral Health Care Drug, Preservative, Solvent, Viscosity Decreasing Agent, Masking) |
Allergens
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Phenethyl Alcohol
(Fragrance, Preservative, Masking) |
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Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling) |
Good for Dry Skin
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PARFUM
(Fragrance, Perfuming) |
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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.
Most research uses 2–5%; some formulas go to 10%. Very high levels can cause flushing in sensitive skin.
Niacinamide
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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