Collagen Core Glow Essence
The Tirtir Collagen Core Glow Essence is a serums, essence, ampoule. Our analysis of its 64 ingredients (57 low-risk) rates it Excellent (100/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin. Heads up: it contains fragrance, which can irritate sensitive or reactive skin.
The Tirtir Collagen Core Glow Essence is a serums, essence, ampoule. Our analysis of its 64 ingredients (57 low-risk) rates it Excellent (100/100). Based on its ingredients, it looks well-suited to oily / acne-prone and 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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Collagen Water
(Humectant, Skin Conditioning, Solvent, Viscosity Controlling) |
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Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling) |
Good for Dry Skin
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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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1,2-Hexanediol
(Solvent) |
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Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing) |
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Polyglycerin-3
(Humectant) |
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Water
(Solvent) |
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Glycereth-26
(Humectant, Viscosity Decreasing Agent, Solvent, Viscosity Controlling) |
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Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning) |
Good for Dry Skin
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Betaine
(Hair Conditioning, Humectant, Antistatic Agent, Skin Conditioning, Viscosity Controlling) |
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Polyglyceryl-10 Laurate
(Skin Conditioning, Emulsifying, Surfactant) |
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Ethylhexylglycerin
(Deodorant, Skin Conditioning) |
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Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant) |
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Saccharide Isomerate
(Humectant) |
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Dipotassium Glycyrrhizate
(Flavoring Agent, Skin Conditioning, Humectant) |
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Adenosine
(Skin Conditioning) |
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PARFUM
(Fragrance, Perfuming) |
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Trehalose
(Flavoring Agent, Humectant, Moisturising) |
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Punica Granatum Extract
(Astringent, Masking, Tonic) |
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Hydrolyzed Elastin
(Antistatic Agent, Film Forming, Hair Conditioning, Humectant, Skin Conditioning) |
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Beta-Glucan
(Bulking Agent, Skin Conditioning) |
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Glycine
(Buffering Agent, Fragrance, Hair Conditioning, Skin Conditioning Agent Miscellaneous, Antistatic Agent, Skin Conditioning) |
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Garcinia Mangostana Peel Extract
(Skin Conditioning) |
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Clitoria Ternatea Flower Extract
(Skin Conditioning) |
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Serine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking) |
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Glutamic Acid
(Fragrance, Hair Conditioning, Humectant, Antistatic Agent) |
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Cyanocobalamin
(Skin Conditioning) |
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Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking) |
Bad for Sensitive Skin
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Sodium Citrate
(Ph Adjuster, Buffering Agent, Chelating, Masking) |
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Aspartic Acid
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking) |
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Leucine
(Antistatic Agent, Hair Conditioning, Skin Conditioning) |
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Alanine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking) |
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Lysine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent) |
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Arginine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking) |
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Tyrosine
(Fragrance, Hair Conditioning, Proprietary, Skin Conditioning Agent Miscellaneous, Antistatic Agent, Masking, Skin Conditioning) |
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Phenylalanine
(Fragrance, Hair Conditioning, Skin Conditioning) |
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Proline
(Fragrance, Hair Conditioning, Skin Conditioning) |
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Threonine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Hair Waving Or Straightening) |
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Valine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking) |
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Isoleucine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent) |
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Histidine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Humectant) |
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Cysteine
(Antioxidant, Fragrance, Hair Conditioning, Hair Waving/Straighteningagent, Reducing, Antistatic Agent, Hair Waving Or Straightening, Masking) |
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Methionine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent) |
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Hydrogenated Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Suspending Agent Nonsurfactant) |
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Polyglyceryl-10 Stearate
(Skin Conditioning, Emulsifying, Surfactant) |
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Sodium Hyaluronate
(Skin Conditioning, Humectant) |
Good for Dry Skin
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Soluble Proteoglycan
(Hair Conditioning, Skin Conditioning) |
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Sodium Ascorbyl Phosphate
(Antioxidant) |
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Hydroxypropyltrimonium Hyaluronate
(Film Forming, Humectant) |
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Hydrolyzed Hyaluronic Acid
(Hair Conditioning, Humectant, Skin Conditioning) |
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Pyridoxine
(Hair Conditioning, Skin Conditioning, Antistatic Agent) |
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Folic Acid
(Skin Conditioning) |
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Sodium Acetylated Hyaluronate
(Humectant) |
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Biotin
(Hair Conditioning, Skin Conditioning, Antiseborrhoeic) |
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Hyaluronic Acid
(Skin Conditioning, Viscosity Increasing Agent, Antistatic Agent, Humectant, Moisturising) |
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Hydrolyzed Sodium Hyaluronate
(Skin Conditioning) |
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TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning) |
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Sodium Hyaluronate Crosspolymer
(Humectant, Skin Conditioning) |
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Potassium Hyaluronate
(Skin Conditioning) |
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Thiamine HCl
(Masking, Skin Conditioning) |
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Inositol
(Antistatic Agent, Hair Conditioning, Humectant) |
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Beta-Carotene
(Skin Conditioning) |
Good for Dry Skin
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Riboflavin
(Cosmetic Colorant, Skin Conditioning) |
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Linoleic Acid
(Fragrance, Hair Conditioning, Skin Conditioning, Sufactantsurfactant Cleansing Agent Is Included As A Function For The Soap Form Of Linoleic Acid., Antistatic Agent, Emollient) |
Fungal Acne Trigger
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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
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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