IP Stratum Corneum Toning Serum

Sofina

Where to buy Possibly in stock

About this product

The Sofina IP Stratum Corneum Toning Serum is a serums, essence, ampoule. Our analysis of its 25 ingredients (17 low-risk) rates it Excellent (96/100). Based on its ingredients, it looks well-suited to oily / acne-prone 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
25
Low-risk
17
Fragrance
Contains fragrance
Origin
Japan

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 4/5
Good for dry skin
Diglycerin Dipotassium Glycyrrhizate Butylene Glycol Glycerin
Caution for dry skin
Sodium Methyl Stearoyl Taurate Xanthan Gum Glycerin PEG-40 Hydrogenated Castor Oil Alcohol Denat.
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Alcohol Denat.
Sensitive Skin 1/7
Good for sensitive skin
Glycerin
Caution for sensitive skin
Disodium Phosphate Pelargonium Graveolens Extract Butylene Glycol Glycerin PEG-40 Hydrogenated Castor Oil Alcohol Denat. Phenoxyethanol

Ingredients list

25 total
Lower hazard (1) Higher hazard (4)
All25 Skin Conditioning14 Humectant8 Fragrance8 Solvent6 Viscosity Controlling6 Emulsion Stabilising4 Masking4 Perfuming4
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
1
A
Dipotassium Glycyrrhizate
(Flavoring Agent, Skin Conditioning, Humectant)
1
Water
(Solvent)
4
Alcohol Denat.
(Antifoaming Agent, Antimicrobial, Astringent, Masking, Solvent, Viscosity Controlling)
Bad for Dry Skin
Bad for Dry Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
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
1
Pelargonium Graveolens Extract
(Masking, Skin Conditioning)
1
Diglycerin
(Humectant, Skin Conditioning, Solvent)
Eugenia Caryophyllus Flower Extract
(Astringent, Fragrance, Oral Care, Tonic)
3
B
PEG-40 Hydrogenated Castor Oil
(Fragrance, Emulsifying, Surfactant, Perfuming)
Fungal Acne
Fungal Acne Trigger
1
Rehmannia Glutinosa Root Extract
(Skin Conditioning)
Cetyl-Pg Hydroxyethyl Decanamide
(Skin Conditioning)
Diglycol Guanidine Succinate
(Humectant, Skin Conditioning)
Amidinoproline
(Fragrance, Humectant, Perfuming, Skin Conditioning)
Methylserine
(Skin Conditioning)
1
B
Sodium Methyl Stearoyl Taurate
(Cleansing, Foaming, Surfactant)
1
A
Carbomer
(Emulsion Stabilising, Viscosity Increasing Agent, Gel Forming, Viscosity Controlling)
1
A
Disodium EDTA
(Chelating Agent, Viscosity Controlling)
1
B
Potassium Phosphate
(Ph Adjuster, Buffering Agent)
1
B
Disodium Phosphate
(Buffering Agent, Anticorrosive, Fragrance, Ph Adjuster, Masking)
3
B
Potassium Hydroxide
(Ph Adjuster, Buffering Agent)
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
PARFUM
(Fragrance, Perfuming)

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

Niacinamide
Skin Conditioning
Dipotassium Glycyrrhizate
Skin Conditioning, Humectant
Alcohol Denat.
Astringent
Butylene Glycol
Skin Conditioning, Humectant
Glycerin
Humectant, Skin Protecting
Pelargonium Graveolens Extract
Skin Conditioning

Benefits

Good for oily/acne-prone skin

Concerns

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

Ingredients explained

Niacinamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningSmoothing
Dipotassium Glycyrrhizate
Flavoring agent, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Flavoring agentSkin conditioningHumectant
Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Propanediol
Solvent, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 SolventViscosity decreasing agentViscosity controlling
Pelargonium Graveolens Extract
Masking, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 MaskingSkin conditioning
Diglycerin
Humectant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 HumectantSkin conditioningSolvent
Eugenia Caryophyllus Flower Extract
Astringent, Fragrance
Limited public safety data.Read moreShow less
EWG N/A AstringentFragranceOral careTonic
Rehmannia Glutinosa Root Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Cetyl-Pg Hydroxyethyl Decanamide
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Diglycol Guanidine Succinate
Humectant, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A HumectantSkin conditioning
Amidinoproline
Fragrance, Humectant
Limited public safety data.Read moreShow less
EWG N/A FragranceHumectantPerfumingSkin conditioning
Methylserine
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Sodium Methyl Stearoyl Taurate
Cleansing, Foaming
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B CleansingFoamingSurfactant
Carbomer
Emulsion stabilising, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingViscosity increasing agentGel formingViscosity controlling
Disodium EDTA
Chelating agent, Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Chelating agentViscosity controlling
+ 5 more — see the full ingredients list above
Alcohol Denat.
Antifoaming agent, Antimicrobial
Causes moisture evaporation - prone to dry out skinRead moreShow less
EWG 4 Antifoaming agentAntimicrobialAstringentMaskingSolventViscosity controlling Bad for Dry SkinBad for Sensitive Skin
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin
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
PEG-40 Hydrogenated Castor Oil
Fragrance, Emulsifying
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B FragranceEmulsifyingSurfactantPerfuming 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 & evening: Suitable for both AM and PM use.

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.

Niacinamide 2–5% (up to 10%)

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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