Stem Cell Activator Serum

Nescens

Where to buy Possibly in stock

About this product

The Nescens Stem Cell Activator Serum is a serums, essence, ampoule. Our analysis of its 38 ingredients (29 low-risk) rates it Excellent (99/100). Based on its ingredients, it looks well-suited to dry 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
38
Low-risk
29
Fragrance
Contains fragrance
Origin
Switzerland

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 10/8
Good for dry skin
Saccharide Isomerate Ethoxydiglycol Isomalt Caprylyl Glycol Butylene Glycol Sodium Hyaluronate Glycerin Sodium Lactate Sodium Polyacrylate Lecithin
Caution for dry skin
Xanthan Gum Glycerin Coco-glucoside PPG-26-Buteth-26 Sodium Polyacrylate Sodium Hydroxide PEG-40 Hydrogenated Castor Oil Lecithin
Oily/Acne-Prone Skin No data
Sensitive Skin 1/9
Good for sensitive skin
Glycerin
Caution for sensitive skin
Sodium Citrate Ethoxydiglycol Butylene Glycol Glycerin Citric Acid PPG-26-Buteth-26 Sodium Benzoate PEG-40 Hydrogenated Castor Oil Phenoxyethanol

Ingredients list

38 total
Lower hazard (1) Higher hazard (4)
All38 Skin Conditioning30 Fragrance11 Humectant9 Emulsion Stabilising6 Solvent5 Hair Conditioning5 Viscosity Controlling5 Surfactant4
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
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
Acetyl Glucosamine
(Skin Conditioning)
1
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
1
A
Isomalt
(Anticaking Agent, Bulking Agent, Flavoring Agent, Humectant)
1
Saccharide Isomerate
(Humectant)
1
A
Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
1
A
Carbomer
(Emulsion Stabilising, Viscosity Increasing Agent, Gel Forming, Viscosity Controlling)
1
A
Ethoxydiglycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Humectant, Perfuming)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
Retinyl Palmitate
(Skin Conditioning, Skin Conditioning Miscellaneous)
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
Helianthus Annuus Seed Oil
(Fragrance, Skin Conditioning, Skin Conditioning Emollient)
1
A
Disodium EDTA
(Chelating Agent, Viscosity Controlling)
Pichia/Resveratrol Ferment Extract
(Skin Conditioning)
3
B
Sodium Hydroxide
(Denaturant, Ph Adjuster, Buffering Agent)
2
3
Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Antistatic Agent, Emollient)
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
2
A
PPG-26-Buteth-26
(Fragrance, Hair Conditioning, Skin Conditioning, Emulsifying, Surfactant)
PARFUM
(Fragrance, Perfuming)
3
B
PEG-40 Hydrogenated Castor Oil
(Fragrance, Emulsifying, Surfactant, Perfuming)
Fungal Acne
Fungal Acne Trigger
3
B
Sodium Lactate
(Buffering Agent, Exfoliant, Humectant, Keratolytic)
Baicalin
(Antioxidant, Skin Conditioning)
1
B
Coco-glucoside
(Cleansing, Foaming, Surfactant)
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
1
A
Sodium Citrate
(Ph Adjuster, Buffering Agent, Chelating, Masking)
3
B
Sodium Polyacrylate
(Absorbent, Emulsion Stabilising, Film Forming, Hair Fixing, Skin Conditioning Agent Emollient, Viscosity Controlling Agent, Viscosity Increasing Agent, Binding, Skin Conditioning)
Saponaria Pumila Callus Culture Extract
(Skin Conditioning)
Symphytum Officinale Callus Culture Extract
(Skin Conditioning)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
3
A
Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking)
1
A
Palmitoyl Tripeptide-1
(Skin Conditioning)
1
A
Palmitoyl Tetrapeptide-7
(Skin Conditioning)
1
Hexanoyl Dipeptide-3 Norleucine Acetate
(Skin Conditioning)

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

Glycerin
Humectant, Skin Protecting
Niacinamide
Skin Conditioning
Butylene Glycol
Skin Conditioning, Humectant
Acetyl Glucosamine
Skin Conditioning
Isomalt
Humectant
Saccharide Isomerate
Humectant

Benefits

Good for dry skin

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
Niacinamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningSmoothing
Acetyl Glucosamine
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Propanediol
Solvent, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 SolventViscosity decreasing agentViscosity controlling
Isomalt
Anticaking agent, Bulking agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Anticaking agentBulking agentFlavoring agentHumectant
Saccharide Isomerate
Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 Humectant
Carbomer
Emulsion stabilising, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingViscosity increasing agentGel formingViscosity controlling
Ethoxydiglycol
Fragrance, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSolventViscosity decreasing agentHumectantPerfuming
Ethylhexylglycerin
Deodorant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A DeodorantSkin conditioning
Retinyl Palmitate
Skin conditioning, Skin conditioning miscellaneous
Limited public safety data.Read moreShow less
EWG N/A Skin conditioningSkin conditioning miscellaneous
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
Helianthus Annuus Seed Oil
Fragrance, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A FragranceSkin conditioningSkin conditioning emollient
Disodium EDTA
Chelating agent, Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Chelating agentViscosity controlling
Pichia/Resveratrol Ferment Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Sodium Hydroxide
Denaturant, Ph adjuster
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B DenaturantPh adjusterBuffering agent
+ 16 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
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
Panthenol
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentHair conditioningSkin conditioning Good for Dry Skin
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant Good for Dry Skin
PEG-40 Hydrogenated Castor Oil
Fragrance, Emulsifying
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B FragranceEmulsifyingSurfactantPerfuming 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

How to use

How to use

  • 1 Where it fits: Apply after toner and before moisturiser — thinnest to thickest.
  • 2 Evening: Use at night — start 2–3× a week and build up as your skin tolerates it.
  • 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

Pregnancy & breastfeeding

Contains ingredients some choose to avoid or double-check while pregnant or nursing.

Often avoided
Retinoids (Vitamin A) (Retinyl Palmitate)

Topical retinoids (retinol, retinaldehyde, retinyl esters) are widely advised against in pregnancy as a precaution. The strongest evidence is for ORAL retinoids; topical absorption is low, but most clinicians err on the side of caution.

This is general information, not medical advice. Pregnancy guidance varies and depends on concentration and your individual situation — always check with your doctor, midwife or pharmacist. How we flag this.

Effective levels — general guide

The concentrations these actives are typically effective at in research — not a measurement of this product.

Retinoids (Vitamin A) 0.01–1%

Most studied between 0.1% and 1%. Higher is not automatically better — irritation climbs with dose, so a well-formulated lower strength is often the sweet spot.

Retinyl Palmitate

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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