Bio Serum Firm

Neocutis

Where to buy Possibly in stock

About this product

The Neocutis Bio Serum Firm is a emulsion. Our analysis of its 35 ingredients (28 low-risk) rates it Excellent (99/100). Based on its ingredients, it looks well-suited to dry skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Emulsion
Ingredients
35
Low-risk
28
Fragrance
Fragrance-free
Origin
United States

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 6/6
Good for dry skin
Squalane Caprylic/Capric Triglyceride Butylene Glycol Sodium Hyaluronate Glycerin Nannochloropsis Oculata Extract
Caution for dry skin
Sorbitan Isostearate Glycerin Poloxamer 338 Sodium Hydroxide Polysorbate 60 Silica
Oily/Acne-Prone Skin No data
Sensitive Skin 2/10
Good for sensitive skin
Aminopropyl Ascorbyl Phosphate Glycerin
Caution for sensitive skin
Glycine Glutamine Arginine Caprylic/Capric Triglyceride Butylene Glycol Glycerin Proline Sodium Benzoate Potassium Sorbate Phenoxyethanol

Ingredients list

35 total
Lower hazard (1) Higher hazard (4)
All35 Skin Conditioning27 Fragrance10 Hair Conditioning6 Humectant5 Viscosity Controlling5 Solvent4 Preservative4 Masking4
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
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
A
Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent)
1
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
(Emulsion Stabilising, Viscosity Controlling)
1
A
Squalane
(Emollient, Hair Conditioning, Refatting, Skin Conditioning)
1
Aminopropyl Ascorbyl Phosphate
(Antioxidant, Skin Conditioning)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
Hydrolyzed Sodium Hyaluronate
(Skin Conditioning)
Cutaneous Lysate
(Moisturising, Skin Protecting)
1
Tetrapeptide-21
(Skin Conditioning)
Palmitoyl Tripeptide-1 Acetate
(Skin Conditioning)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
1
A
Pullulan
(Binding Agent, Film Forming, Binding)
1
Acetyl Glucosamine
(Skin Conditioning)
2
B
Ethylene/Acrylic Acid Copolymer
(Binding, Emulsion Stabilising, Film Forming, Opacifying)
3
B
Polysorbate 60
(Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
1
A
Proline
(Fragrance, Hair Conditioning, Skin Conditioning)
1
A
Arginine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking)
1
A
Glycine
(Buffering Agent, Fragrance, Hair Conditioning, Skin Conditioning Agent Miscellaneous, Antistatic Agent, Skin Conditioning)
1
A
Glutamine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent)
2
A
Chlorphenesin
(Cosmetic Biocide, Antimicrobial, Preservative)
Nannochloropsis Oculata Extract
(Humectant, Skin Conditioning)
Capryloyl Carnosine
(Skin Conditioning)
2
A
Poloxamer 338
(Emulsifying, Surfactant)
1
2
A
Silica
(Abrasive, Absorbent, Anticaking Agent, Bulking Agent, Opacifying, Viscosity Controlling)
1
Trifluoroacetyl Tripeptide-2
(Skin Conditioning)
1
A
Dextran
(Binding Agent, Bulking Agent, Binding, Viscosity Controlling)
1
A
Sorbitan Isostearate
(Emulsifying, Surfactant)
3
A
Potassium Sorbate
(Fragrance, Preservative)
3
A
Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
1
A
Disodium EDTA
(Chelating Agent, Viscosity Controlling)
3
B
Sodium Hydroxide
(Denaturant, Ph Adjuster, Buffering Agent)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben

My Ingredient Notes

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Key ingredients

Glycerin
Humectant, Skin Protecting
Caprylic/Capric Triglyceride
Emollient, Skin Conditioning
Squalane
Emollient, Skin Conditioning
Aminopropyl Ascorbyl Phosphate
Antioxidant, Skin Conditioning
Sodium Hyaluronate
Skin Conditioning, Humectant
Hydrolyzed Sodium Hyaluronate
Skin Conditioning

Benefits

No standout benefits flagged for this product.

Concerns

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

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Caprylic/Capric Triglyceride
Emollient, Masking
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientMaskingPerfumingSkin conditioningSolvent
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
Emulsion stabilising, Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 Emulsion stabilisingViscosity controlling
Squalane
Emollient, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientHair conditioningRefattingSkin conditioning
Aminopropyl Ascorbyl Phosphate
Antioxidant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 AntioxidantSkin conditioning
Hydrolyzed Sodium Hyaluronate
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Cutaneous Lysate
Moisturising, Skin protecting
Limited public safety data.Read moreShow less
EWG N/A MoisturisingSkin protecting
Tetrapeptide-21
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Palmitoyl Tripeptide-1 Acetate
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Ethylhexylglycerin
Deodorant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A DeodorantSkin conditioning
Pullulan
Binding agent, Film forming
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentFilm formingBinding
Acetyl Glucosamine
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Ethylene/Acrylic Acid Copolymer
Binding, Emulsion stabilising
Low-hazard ingredient.Read moreShow less
EWG 2 CIR B BindingEmulsion stabilisingFilm formingOpacifying
Proline
Fragrance, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceHair conditioningSkin conditioning
Arginine
Fragrance, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceHair conditioningSkin conditioningAntistatic agentMasking
+ 15 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
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant Good for Dry Skin
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin
Polysorbate 60
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 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.

Aminopropyl Ascorbyl Phosphate

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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