Vital C15 Serum
The G.M. Collin Vital C15 Serum is a serums, essence, ampoule. Our analysis of its 29 ingredients (23 low-risk) rates it Excellent (98/100). Based on its ingredients, it looks well-suited to dry skin. Heads up: it contains fragrance, which can irritate sensitive or reactive skin.
The G.M. Collin Vital C15 Serum is a serums, essence, ampoule. Our analysis of its 29 ingredients (23 low-risk) rates it Excellent (98/100). Based on its ingredients, it looks well-suited to dry 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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Hexylene Glycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Emulsifying, Perfuming, Skin Conditioning, Surfactant) |
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Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling) |
Good for Dry Skin
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ASCORBIC ACID
(Antioxidant, Buffering, Fragrance, Skin Conditioning) |
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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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Ethoxydiglycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Humectant, Perfuming) |
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Polysorbate 20
(Emulsifying, Surfactant) |
Fungal Acne Trigger
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Sodium Ascorbate
(Antioxidant) |
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Globularia Cordifolia Callus Culture Extract
(Skin Conditioning) |
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Ferulic Acid
(Antioxidant, Preservative, Uv Absorber, Antimicrobial) |
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Yeast Extract
(Skin Conditioning) |
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Soy Amino Acids
(Hair Conditioning, Skin Conditioning) |
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Myrciaria Dubia Fruit Extract
(Skin Conditioning) |
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Plankton Extract
(Skin Conditioning) |
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Acetyl Hexapeptide-8
(Humectant, Skin Conditioning) |
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Palmitoyl Tripeptide-1
(Skin Conditioning) |
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Ergothioneine
(Antioxidant) |
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Palmitoyl Tetrapeptide-7
(Skin Conditioning) |
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Pentapeptide-34 Trifluoroacetate
(Emollient, Skin Conditioning) |
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Phenoxyethanol
(Fragrance, Preservative) |
Paraben
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Potassium Sorbate
(Fragrance, Preservative) |
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Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking) |
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Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling) |
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PARFUM
(Fragrance, Perfuming) |
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Carbomer
(Emulsion Stabilising, Viscosity Increasing Agent, Gel Forming, Viscosity Controlling) |
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Sodium Lactate
(Buffering Agent, Exfoliant, Humectant, Keratolytic) |
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Acetic Acid
(Fragrance, Ph Adjuster, Buffering Agent, Masking) |
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Malonic Acid
(Buffering) |
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Vanillin
(Flavoring Agent, Fragrance, 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.
ASCORBIC ACID, Sodium Ascorbate
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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