Brighten + Firm 15% Vitamin C Serum

Skinfix

Where to buy Possibly in stock

About this product

The Skinfix Brighten + Firm 15% Vitamin C Serum is a serums, essence, ampoule. Our analysis of its 40 ingredients (31 low-risk) rates it Excellent (98/100). Based on its ingredients, it looks well-suited to dry and sensitive skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
40
Low-risk
31
Fragrance
Fragrance-free
Origin
Canada

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 6/5
Good for dry skin
Squalene Caprylyl Glycol Sodium Hyaluronate Glycerin Lactic Acid Lecithin
Caution for dry skin
Xanthan Gum Glycerin Polyglyceryl-10 Laurate Hydrogenated Lecithin Lecithin
Oily/Acne-Prone Skin No data
Sensitive Skin 7/6
Good for sensitive skin
Glycerin Tetrahydrodiferuloylmethane Tetrahexyldecyl Ascorbate Ferulic Acid Tocopheryl Acetate Aloe Barbadensis Leaf Juice Jojoba Oil/Macadamia Seed Oil Esters
Caution for sensitive skin
Glycerin Citric Acid Sodium Benzoate Potassium Sorbate Lactic Acid Phenoxyethanol

Ingredients list

40 total
Lower hazard (1) Higher hazard (4)
All40 Skin Conditioning47 Fragrance7 Solvent5 Antioxidant5 Hair Conditioning5 Humectant5 Preservative4 Viscosity Controlling4
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
1
Tetrahexyldecyl Ascorbate
(Antioxidant, 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
Good for Dry Skin
Fungal Acne
Fungal Acne Trigger
1
Isopentyldiol
(Solvent)
B
Aloe Barbadensis Leaf Juice
(Skin Conditioning)
Good for Sensitive Skin
Good for Sensitive Skin
2
A
Hydrogenated Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Suspending Agent Nonsurfactant)
1
B
Polyglyceryl-10 Laurate
(Skin Conditioning, Emulsifying, Surfactant)
1
Oligopeptide-1
(Skin Conditioning)
Oligopeptide-2
(Skin Conditioning)
1
Hexapeptide-11
(Skin Conditioning)
Oligopeptide-3
(Skin Conditioning)
1
A
Sclerotium Gum
(Emulsion Stabilising, Skin Conditioning, Viscosity Increasing Agent, Viscosity Controlling)
2
Ferulic Acid
(Antioxidant, Preservative, Uv Absorber, Antimicrobial)
1
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
1
Tetrahydrodiferuloylmethane
(Antioxidant)
Jojoba Oil/Macadamia Seed Oil Esters
(Hair Conditioning, Skin Conditioning, Skin Protecting)
3
Tocopheryl Acetate
(Antioxidant, Skin Conditioning)
Bad for Oily Skin
Bad for Oily Skin
1
Trisodium Ethylenediamine Disuccinate
(Chelating Agent)
1
A
Squalene
(Hair Conditioning, Skin Conditioning, Emollient, Antistatic Agent, Refatting)
Fungal Acne
Fungal Acne Trigger
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
1
Polyglutamic Acid
(Skin Conditioning)
1
A
Amylopectin
(Binding Agent, Viscosity Increasing Agent, Binding, Viscosity Controlling)
1
A
Pentylene Glycol
(Skin Conditioning, Solvent)
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
1
A
Phytosteryl Macadamiate
(Hair Conditioning, Skin Conditioning)
2
3
Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Antistatic Agent, Emollient)
Lithothamnion Calcareum Extract
(Skin Conditioning)
1
B
Acetyl Glutamine
(Skin Conditioning)
4
B
Lactic Acid
(Exfoliant, Fragrance, Humectant, Ph Adjuster, Skin Conditioning Agent Humectant, Skin Conditioning, Buffering Agent)
Bad for Sensitive Skin
Bad for Sensitive Skin
1
A
Phytosterols
(Skin Conditioning)
1
Acetyl Tetrapeptide-2
(Skin Conditioning)
Bacillus/Soybean Ferment Extract
(Skin Conditioning)
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
1
Folic Acid
(Skin Conditioning)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
3
A
Potassium Sorbate
(Fragrance, Preservative)
3
A
Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben

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

Tetrahexyldecyl Ascorbate
Antioxidant, Skin Conditioning
Glycerin
Humectant, Skin Protecting
Aloe Barbadensis Leaf Juice
Skin Conditioning
Hydrogenated Lecithin
Skin Conditioning
Polyglyceryl-10 Laurate
Skin Conditioning
Oligopeptide-1
Skin Conditioning

Benefits

Good for dry skin
Good for sensitive skin

Concerns

Contains paraben
Not fungal acne (malassezia) safe

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Tetrahexyldecyl Ascorbate
Antioxidant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 AntioxidantSkin conditioning
Isopentyldiol
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Hydrogenated Lecithin
Skin conditioning, Emulsifying
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A Skin conditioningEmulsifyingSurfactantSuspending agent- nonsurfactant
Polyglyceryl-10 Laurate
Skin conditioning, Emulsifying
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Skin conditioningEmulsifyingSurfactant
Oligopeptide-1
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Oligopeptide-2
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Hexapeptide-11
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Oligopeptide-3
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Sclerotium Gum
Emulsion stabilising, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingSkin conditioningViscosity increasing agentViscosity controlling
Ferulic Acid
Antioxidant, Preservative
Low-hazard ingredient.Read moreShow less
EWG 2 AntioxidantPreservativeUv absorberAntimicrobial
Propanediol
Solvent, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 SolventViscosity decreasing agentViscosity controlling
Tetrahydrodiferuloylmethane
Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 1 Antioxidant
Jojoba Oil/Macadamia Seed Oil Esters
Hair conditioning, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Hair conditioningSkin conditioningSkin protecting
Trisodium Ethylenediamine Disuccinate
Chelating agent
Low-hazard ingredient.Read moreShow less
EWG 1 Chelating agent
+ 17 more — see the full ingredients list above
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
Aloe Barbadensis Leaf Juice
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A CIR B Skin conditioning Good for Sensitive Skin
Tocopheryl Acetate
Antioxidant, Skin conditioning
Potentially comedogenic - can block poresRead moreShow less
EWG 3 AntioxidantSkin conditioning Bad for Oily Skin
Squalene
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningEmollientAntistatic agentRefatting Fungal-acne trigger
Citric Acid
Chelating agent, Fragrance
Skin irritation can occur at high concentrationRead moreShow less
EWG 2 CIR A Chelating agentFragrancePh adjusterBuffering agentMasking Bad for Sensitive Skin
Lactic Acid
Exfoliant, Fragrance
Skin irritation can occur at high concentrationRead moreShow less
EWG 4 CIR B ExfoliantFragranceHumectantPh adjusterSkin-conditioning agent -humectantSkin conditioningBuffering agent Bad for Sensitive Skin
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant Good for Dry Skin
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 only: Apply as the last step of your AM routine, after moisturiser, and reapply every ~2 hours of sun exposure.
  • 3 Wear SPF the next day: Acids and retinoids increase sun sensitivity — daily sunscreen is a must while using this.

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.

Tetrahexyldecyl Ascorbate

AHA (acid exfoliant) 5–10% (OTC)

OTC leave-on AHAs are usually 5–10%. The effect also depends on pH and free-acid value, not the percentage alone.

Lactic 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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