Supreme-Vit B12&C Serum

Yoskine

Where to buy Possibly in stock

About this product

The Yoskine Supreme-Vit B12&C Serum is a serums, essence, ampoule. Our analysis of its 18 ingredients (13 low-risk) rates it Excellent (97/100). Based on its ingredients, it looks well-suited to oily / acne-prone and sensitive skin. Heads up: it contains fragrance, which can irritate sensitive or reactive skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
18
Low-risk
13
Fragrance
Contains fragrance
Origin
Poland

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 2/4
Good for dry skin
Diglycerin Glycerin
Caution for dry skin
Xanthan Gum Glycerin Polysorbate 20 Tranexamic Acid
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Tranexamic Acid
Sensitive Skin 4/2
Good for sensitive skin
Ascorbyl Methylsilanol Pectinate Glycerin Hydrolyzed Candida Saitoana Extract Hydroxyacetophenone
Caution for sensitive skin
Glycerin Phenoxyethanol

Ingredients list

18 total
Lower hazard (1) Higher hazard (4)
All18 Skin Conditioning10 Viscosity Controlling5 Solvent4 Humectant4 Fragrance3 Skin Protecting3 Emulsion Stabilising3 Viscosity Decreasing Agent2
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
1
Diglycerin
(Humectant, Skin Conditioning, Solvent)
1
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
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
Good for Dry Skin
Fungal Acne
Fungal Acne Trigger
3
B
Polysorbate 20
(Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
1
Ascorbyl Methylsilanol Pectinate
(Antioxidant, Viscosity Increasing Agent, Viscosity Controlling)
1
Cyanocobalamin
(Skin Conditioning)
Tranexamic Acid
(Cosmetic Astringent, Skin Conditioning)
Kappaphycus Alvarezii Extract
(Skin Conditioning)
1
Hydrolyzed Candida Saitoana Extract
(Skin Protecting)
Caesalpinia Spinosa Fruit Extract
(Skin Protecting)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
1
Hydroxyacetophenone
(Antioxidant)
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
1
Polyacrylate Crosspolymer-6
(Emulsion Stabilising, Viscosity Controlling)
1
A
Disodium EDTA
(Chelating Agent, Viscosity Controlling)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
PARFUM
(Fragrance, Perfuming)

My Ingredient Notes

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Key ingredients

Diglycerin
Humectant, Skin Conditioning
Glycerin
Humectant, Skin Protecting
Ascorbyl Methylsilanol Pectinate
Antioxidant
Cyanocobalamin
Skin Conditioning
Tranexamic Acid
Skin Conditioning
Kappaphycus Alvarezii Extract
Skin Conditioning

Benefits

Good for oily/acne-prone skin
Good for sensitive skin

Concerns

Contains paraben
Not fungal acne (malassezia) safe
May not suit dry skin

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Diglycerin
Humectant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 HumectantSkin conditioningSolvent
Propanediol
Solvent, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 SolventViscosity decreasing agentViscosity controlling
Ascorbyl Methylsilanol Pectinate
Antioxidant, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 AntioxidantViscosity increasing agentViscosity controlling
Cyanocobalamin
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Tranexamic Acid
Cosmetic astringent, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Cosmetic astringentSkin conditioning
Kappaphycus Alvarezii Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Hydrolyzed Candida Saitoana Extract
Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 Skin protecting
Caesalpinia Spinosa Fruit Extract
Skin protecting
Limited public safety data.Read moreShow less
EWG N/A Skin protecting
Ethylhexylglycerin
Deodorant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A DeodorantSkin conditioning
Hydroxyacetophenone
Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 1 Antioxidant
Xanthan Gum
Binding agent, Emulsion stabilising
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentEmulsion stabilisingSkin conditioningSurfactant -emulsifying agentViscosity increasing agentBindingGel formingViscosity controlling
Polyacrylate Crosspolymer-6
Emulsion stabilising, Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 Emulsion stabilisingViscosity controlling
Disodium EDTA
Chelating agent, Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Chelating agentViscosity controlling
PARFUM
Fragrance, Perfuming
Limited public safety data.Read moreShow less
EWG N/A FragrancePerfuming
Glycerin
Denaturant, Fragrance
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A DenaturantFragranceHair conditioningHumectantOral care agentOral health care drugSkin protectingViscosity decreasing agentPerfumingSolvent Good for Dry SkinFungal-acne trigger
Polysorbate 20
Emulsifying, Surfactant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B EmulsifyingSurfactant Fungal-acne trigger
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben

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.

Ascorbyl Methylsilanol Pectinate

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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