Face Serum Vitamin C
The L300 Face Serum Vitamin C is a serums, essence, ampoule. Our analysis of its 28 ingredients (26 low-risk) rates it Excellent (97/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin.
The L300 Face Serum Vitamin C is a serums, essence, ampoule. Our analysis of its 28 ingredients (26 low-risk) rates it Excellent (97/100). 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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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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Xylitylglucoside
(Humectant, Skin Conditioning) |
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Propylene Glycol
(Fragrance, Humectant, Skin Conditioningagent Miscellaneous, Solvent, Viscosity Decreasing Agent, Skin Conditioning, Viscosity Controlling) |
Good for Dry Skin
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Sodium Ascorbyl Phosphate
(Antioxidant) |
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Anhydroxylitol
(Humectant, Skin Conditioning) |
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Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning) |
Good for Dry Skin
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Acrylates/C10-30 Alkyl Acrylate Crosspolymer
(Emulsion Stabilising, Film Forming, Viscosity Controlling) |
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Xylitol
(Flavoring Agent, Humectant, Skin Conditioning) |
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Sorbitol
(Flavoring Agent, Fragrance, Humectant, Plasticizer, Skin Conditioning) |
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Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Antistatic Agent, Emollient) |
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Sodium PCA
(Hair Conditioning, Humectant, Antistatic Agent, Skin Conditioning) |
Good for Dry Skin
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Sodium Lactate
(Buffering Agent, Exfoliant, Humectant, Keratolytic) |
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Biosaccharide Gum-1
(Skin Conditioning) |
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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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Glyceryl Caprylate
(Skin Conditioning, Emollient, Emulsifying, Surfactant) |
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Urea
(Buffering Agent, Humectant, Antistatic Agent, Skin Conditioning) |
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Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing) |
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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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Inositol
(Antistatic Agent, Hair Conditioning, Humectant) |
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Glycine
(Buffering Agent, Fragrance, Hair Conditioning, Skin Conditioning Agent Miscellaneous, Antistatic Agent, Skin Conditioning) |
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Fructose
(Flavoring Agent, Humectant) |
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Disodium EDTA
(Chelating Agent, Viscosity Controlling) |
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Sodium Hydroxide
(Denaturant, Ph Adjuster, Buffering Agent) |
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Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking) |
Bad for Sensitive Skin
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Phenoxyethanol
(Fragrance, Preservative) |
Paraben
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Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant) |
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Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking) |
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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.
L-ascorbic acid is usually used at 5–20% (around 10–15% is common). Above ~20% adds little and tends to irritate more; it also needs a low pH to work.
Sodium Ascorbyl Phosphate
Most research uses 2–5%; some formulas go to 10%. Very high levels can cause flushing in sensitive skin.
Niacinamide
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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