Pure Vitamin C24 Serum
The Tirtir Pure Vitamin C24 Serum is a serums, essence, ampoule. Our analysis of its 18 ingredients (15 low-risk) rates it Excellent (100/100). Based on its ingredients, it looks well-suited to dry and sensitive skin.
The Tirtir Pure Vitamin C24 Serum is a serums, essence, ampoule. Our analysis of its 18 ingredients (15 low-risk) rates it Excellent (100/100). Based on its ingredients, it looks well-suited to 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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Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling) |
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ASCORBIC ACID
(Antioxidant, Buffering, Fragrance, Skin Conditioning) |
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Betaine
(Hair Conditioning, Humectant, Antistatic Agent, Skin Conditioning, Viscosity Controlling) |
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Bisabolol
(Fragrance, Skin Conditioning, Soothing) |
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Water
(Solvent) |
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Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling) |
Good for Dry Skin
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1,2-Hexanediol
(Solvent) |
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CENTELLA ASIATICA ROOT EXTRACT
(Skin Conditioning) |
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Centella Asiatica Extract
(Cleansing, Skin Conditioning, Smoothing, Soothing, Tonic) |
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Centella Asiatica Leaf Extract
(Skin Conditioning) |
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Soluble Collagen
(Hair Conditioning, Skin Conditioning, Antistatic Agent, Film Forming, Humectant) |
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Hydrolyzed Collagen
(Hair Conditioning, Nail Conditioning Agent, Skin Conditioning, Antistatic Agent, Emollient, Film Forming, Humectant) |
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Atelocollagen
(Hair Conditioning, Skin Conditioning) |
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Asiatic Acid
(Skin Conditioning, Stabilising) |
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Madecassoside
(Antioxidant, Skin Conditioning) |
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Madecassic Acid
(Skin Conditioning) |
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Asiaticoside
(Antioxidant, Skin Conditioning, Perfuming) |
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Acetyl Hexapeptide-8
(Humectant, Skin Conditioning) |
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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
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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