Pure Vitamin C24 Serum

Tirtir

Where to buy Possibly in stock

About this product

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.

Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
18
Low-risk
15
Fragrance
Fragrance-free
Origin
South Korea

The evidence

Quick Product Notes

Paraben-Free Sulfate-Free Alcohol-Free Silicone-Free EU Allergen-Free Fungal Acne (Malassezia) Safe

Notable Effects & Ingredients

No Notable Effects & Ingredients

Ingredients Related to Skin Types

Good   Bad — tap a skin type to see which ingredients · estimated from ingredient functions
Dry Skin 5/1
Good for dry skin
Betaine Soluble Collagen Acetyl Hexapeptide-8 Butylene Glycol Hydrolyzed Collagen
Caution for dry skin
Centella Asiatica Extract
Oily/Acne-Prone Skin No data
Sensitive Skin 3/2
Good for sensitive skin
Madecassoside Centella Asiatica Extract Asiaticoside
Caution for sensitive skin
Asiaticoside Butylene Glycol

Ingredients list

18 total
Lower hazard (1) Higher hazard (1)
All18 Skin Conditioning21 Humectant6 Solvent4 Hair Conditioning4 Viscosity Controlling3 Antioxidant3 Fragrance3 Antistatic Agent3
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
ASCORBIC ACID
(Antioxidant, Buffering, Fragrance, Skin Conditioning)
1
B
Betaine
(Hair Conditioning, Humectant, Antistatic Agent, Skin Conditioning, Viscosity Controlling)
Bisabolol
(Fragrance, Skin Conditioning, Soothing)
1
Water
(Solvent)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
A
1,2-Hexanediol
(Solvent)
CENTELLA ASIATICA ROOT EXTRACT
(Skin Conditioning)
1
B
Centella Asiatica Extract
(Cleansing, Skin Conditioning, Smoothing, Soothing, Tonic)
1
B
Centella Asiatica Leaf Extract
(Skin Conditioning)
1
Soluble Collagen
(Hair Conditioning, Skin Conditioning, Antistatic Agent, Film Forming, Humectant)
1
A
Hydrolyzed Collagen
(Hair Conditioning, Nail Conditioning Agent, Skin Conditioning, Antistatic Agent, Emollient, Film Forming, Humectant)
1
Atelocollagen
(Hair Conditioning, Skin Conditioning)
1
Asiatic Acid
(Skin Conditioning, Stabilising)
1
Madecassoside
(Antioxidant, Skin Conditioning)
1
Madecassic Acid
(Skin Conditioning)
1
Asiaticoside
(Antioxidant, Skin Conditioning, Perfuming)
1
Acetyl Hexapeptide-8
(Humectant, Skin Conditioning)

My Ingredient Notes

No personal ingredient notes yet. Save ingredients to your profile to get good/bad alerts here.

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Key ingredients

ASCORBIC ACID
Antioxidant, Skin Conditioning
Betaine
Humectant, Skin Conditioning
Bisabolol
Skin Conditioning, Soothing
Butylene Glycol
Skin Conditioning, Humectant
CENTELLA ASIATICA ROOT EXTRACT
Skin Conditioning
Centella Asiatica Extract
Skin Conditioning, Soothing

Benefits

Fungal-acne (Malassezia) safe
Good for dry skin
Good for sensitive skin

Concerns

No major concerns flagged

Ingredients explained

Propanediol
Solvent, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 SolventViscosity decreasing agentViscosity controlling
ASCORBIC ACID
Antioxidant, Buffering
Limited public safety data.Read moreShow less
EWG N/A AntioxidantBufferingFragranceSkin conditioning
Betaine
Hair conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Hair conditioningHumectantAntistatic agentSkin conditioningViscosity controlling
Bisabolol
Fragrance, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A FragranceSkin conditioningSoothing
Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
1,2-Hexanediol
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Solvent
CENTELLA ASIATICA ROOT EXTRACT
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Centella Asiatica Extract
Cleansing, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B CleansingSkin conditioningSmoothingSoothingTonic
Centella Asiatica Leaf Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Skin conditioning
Soluble Collagen
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningSkin conditioningAntistatic agentFilm formingHumectant
Hydrolyzed Collagen
Hair conditioning, Nail conditioning agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningNail conditioning agentSkin conditioningAntistatic agentEmollientFilm formingHumectant
Atelocollagen
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningSkin conditioning
Asiatic Acid
Skin conditioning, Stabilising
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioningStabilising
Madecassoside
Antioxidant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 AntioxidantSkin conditioning
Madecassic Acid
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
+ 2 more — see the full ingredients list above
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin

How to use

How to use

  • 1 Where it fits: Apply after toner and before moisturiser — thinnest to thickest.
  • 2 Morning works well: Antioxidants like vitamin C pair well with daytime use under sunscreen.

General guidance from this product's category and active ingredients — always follow the directions on the package.

Trust & honesty

Effective levels — general guide

The concentrations these actives are typically effective at in research — not a measurement of this product.

Vitamin C (ascorbic) 5–20%

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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