Vita Yuja Ampoule
The I.ST Vita Yuja Ampoule is a serums, essence, ampoule. Our analysis of its 37 ingredients (26 low-risk) rates it Excellent (95/100). 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 I.ST Vita Yuja Ampoule is a serums, essence, ampoule. Our analysis of its 37 ingredients (26 low-risk) rates it Excellent (95/100). 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
Dry Skin
5/4
Oily/Acne-Prone Skin
1/0
Sensitive Skin
2/11
| EWG | CIR | Ingredient Name & Cosmetic Functions | Notes |
|---|---|---|---|
1
|
|
Water
(Solvent) |
|
|
1
|
|
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling) |
|
|
1
|
|
Diglycerin
(Humectant, Skin Conditioning, Solvent) |
|
|
1
|
B
|
Betaine
(Hair Conditioning, Humectant, Antistatic Agent, Skin Conditioning, Viscosity Controlling) |
|
|
1
|
A
|
Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning) |
Good for Dry Skin
|
|
1
|
A
|
1,2-Hexanediol
(Solvent) |
|
|
1
|
A
|
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling) |
Good for Dry Skin
|
|
1
|
A
|
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing) |
|
|
|
Vitis Vinifera Fruit Extract
(Skin Conditioning) |
|
|
|
|
Diethoxyethyl Succinate
(Solvent) |
|
|
1
|
|
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
(Emulsion Stabilising, Film Forming, Viscosity Controlling) |
|
|
1
|
B
|
C12-14 Pareth-12
(Emulsifying, Surfactant) |
|
|
2
|
A
|
Tromethamine
(Fragrance, Ph Adjuster, Buffering Agent, Masking) |
|
|
1
|
|
Polyglycerin-3
(Humectant) |
|
|
1
|
A
|
Ethylhexylglycerin
(Deodorant, Skin Conditioning) |
|
|
2
|
A
|
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
|
|
1
|
|
Adenosine
(Skin Conditioning) |
|
|
1
|
A
|
Sodium Citrate
(Ph Adjuster, Buffering Agent, Chelating, Masking) |
|
|
1
|
A
|
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling) |
|
|
2
|
A
|
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking) |
Bad for Sensitive Skin
|
|
1
|
|
Glutathione
(Fragrance, Reducing) |
|
|
1
|
|
Morus Alba Leaf Extract
(Skin Conditioning) |
|
|
1
|
|
Morus Alba Bark Extract
(Skin Conditioning) |
Good for Dry Skin
|
|
|
|
Curcuma Longa Root Extract
(Fragrance, Perfuming) |
|
|
|
|
3-O-ETHYL ASCORBIC ACID
(Skin Conditioning) |
|
|
1
|
|
Ocimum Sanctum Leaf Extract
(Skin Conditioning) |
|
|
1
|
|
Rosa Canina Fruit Extract
(Astringent, Skin Conditioning, Tonic) |
|
|
|
|
Chamaecyparis Obtusa Leaf Extract
(Skin Conditioning) |
|
|
1
|
|
Hippophae Rhamnoides Fruit Extract
(Skin Conditioning) |
|
|
1
|
|
Anthemis Nobilis Flower Extract
(Masking, Perfuming, Skin Conditioning) |
Good for Sensitive Skin
Good for Dry Skin
|
|
1
|
A
|
Beta-Glucan
(Bulking Agent, Skin Conditioning) |
|
|
|
|
Hydrolyzed Sodium Hyaluronate
(Skin Conditioning) |
|
|
|
|
PARFUM
(Fragrance, Perfuming) |
|
6
|
|
Limonene
(Deodorant, Perfuming, Solvent) |
Allergens
|
|
6
|
A
|
Benzyl Benzoate
(Fragrance, Solvent, Antimicrobial, Masking) |
Allergens
|
|
5
|
|
Hexyl Cinnamal
(Fragrance, Masking) |
Allergens
|
|
5
|
|
Linalool
(Fragrance, Deodorant, Masking) |
Allergens
|
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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.
3-O-ETHYL ASCORBIC ACID
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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