Vitamin C 10% Serum
The Alejon Vitamin C 10% Serum is a serums, essence, ampoule. Our analysis of its 14 ingredients (11 low-risk) rates it Excellent (90/100). Based on its ingredients, it looks well-suited to oily / acne-prone, dry, and sensitive skin.
The Alejon Vitamin C 10% Serum is a serums, essence, ampoule. Our analysis of its 14 ingredients (11 low-risk) rates it Excellent (90/100). Based on its ingredients, it looks well-suited to oily / acne-prone, dry, and sensitive skin.
Summarised from our ingredient analysis — not brand marketing copy.
The evidence
| EWG | CIR | Ingredient Name & Cosmetic Functions | Notes |
|---|---|---|---|
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ASCORBIC ACID
(Antioxidant, Buffering, Fragrance, Skin Conditioning) |
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Methylpropanediol
(Solvent) |
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Dimethicone
(Antifoaming Agent, Skin Protecting, Emollient, Skin Conditioning) |
Silicone
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Hydrolyzed Collagen
(Hair Conditioning, Nail Conditioning Agent, Skin Conditioning, Antistatic Agent, Emollient, Film Forming, Humectant) |
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Hydrolyzed Elastin
(Antistatic Agent, Film Forming, Hair Conditioning, Humectant, Skin Conditioning) |
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Phenoxyethanol
(Fragrance, Preservative) |
Paraben
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Acrylates/Aminoacrylates/C10-30 Alkyl PEG-20 Itaconate Copolymer
(Emulsion Stabilising) |
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Sodium Hyaluronate
(Skin Conditioning, Humectant) |
Good for Dry Skin
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Caviar Extract
(Skin Conditioning) |
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Retinol
(Skin Conditioning) |
Bad for Sensitive Skin
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Tocopheryl Acetate
(Antioxidant, Skin Conditioning) |
Bad for Oily Skin
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Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing) |
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Magnesium Ascorbyl Phosphate
(Antioxidant) |
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Water
(Solvent) |
No personal ingredient notes yet. Save ingredients to your profile to get good/bad alerts here.
EWG flags hazard, not real-world risk — ratings don't account for how much of an ingredient a product contains. Treat these as things to research, not verdicts. How we score →
How to use
General guidance from this product's category and active ingredients — always follow the directions on the package.
Trust & honesty
Contains ingredients some choose to avoid or double-check while pregnant or nursing.
Topical retinoids (retinol, retinaldehyde, retinyl esters) are widely advised against in pregnancy as a precaution. The strongest evidence is for ORAL retinoids; topical absorption is low, but most clinicians err on the side of caution.
This is general information, not medical advice. Pregnancy guidance varies and depends on concentration and your individual situation — always check with your doctor, midwife or pharmacist. How we flag this.
The concentrations these actives are typically effective at in research — not a measurement of this product.
Most studied between 0.1% and 1%. Higher is not automatically better — irritation climbs with dose, so a well-formulated lower strength is often the sweet spot.
Retinol
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, Magnesium Ascorbyl Phosphate
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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