Skin Activator Serum

Westman Atelier

Where to buy Possibly in stock

About this product

The Westman Atelier Skin Activator Serum is a serums, essence, ampoule. Our analysis of its 50 ingredients (46 low-risk) rates it Excellent (99/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
50
Low-risk
46
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 18/11
Good for dry skin
Gluconolactone Glyceryl Stearate Glyceryl Caprylate Myristyl Alcohol Sodium Acetylated Hyaluronate Sodium Hyaluronate Crosspolymer Olive Glycerides Caprylic/Capric Triglyceride Caprylyl Glycol Calcium Gluconate Butylene Glycol Sodium Hyaluronate Glycerin Polyglyceryl-10 Distearate Swertia Chirata Extract Camellia Sinensis Leaf Extract PCA Lecithin
Caution for dry skin
Glyceryl Caprylate Maltodextrin Myristyl Alcohol Sorbitan Stearate Stearic Acid Xanthan Gum Glycerin Polyglyceryl-10 Distearate Camellia Sinensis Leaf Extract Silica Lecithin
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Camellia Sinensis Leaf Extract
Sensitive Skin 4/13
Good for sensitive skin
Ascorbyl Glucoside Glycerin Polygonum Cuspidatum Root Extract Camellia Sinensis Leaf Extract
Caution for sensitive skin
Gluconolactone Glutamine Myristyl Alcohol Sorbitan Stearate Stearic Acid Arginine Caprylic/Capric Triglyceride Butylene Glycol Glycerin Camellia Sinensis Leaf Extract Sodium Benzoate Potassium Sorbate Phenoxyethanol

Ingredients list

50 total
Lower hazard (1) Higher hazard (4)
All50 Skin Conditioning45 Humectant13 Fragrance11 Emulsion Stabilising9 Emollient8 Emulsifying7 Viscosity Controlling7 Hair Conditioning7
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
Pentylene Glycol
(Skin Conditioning, Solvent)
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
Morinda Citrifolia Fruit Juice
(Skin Conditioning)
1
A
Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent)
1
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
1
Lactobacillus Ferment
(Skin Conditioning)
1
A
Glyceryl Caprylate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
1
B
Polyglyceryl-10 Distearate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
1
A
Glyceryl Stearate
(Emollient, Emulsifying)
Fungal Acne
Fungal Acne Trigger
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
1
A
Stearic Acid
(Fragrance, Sufactant, Emulsifying, Surfactantsurfactant Cleansing Agent Is Included As A Function For The Soap Form Of Stearic Acid., Emulsion Stabilising, Masking, Refatting)
Bad for Oily Skin
Bad for Oily Skin
Fungal Acne
Fungal Acne Trigger
1
A
Sorbitan Stearate
(Fragrance, Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
1
A
Sclerotium Gum
(Emulsion Stabilising, Skin Conditioning, Viscosity Increasing Agent, Viscosity Controlling)
2
3
Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Antistatic Agent, Emollient)
1
A
Pullulan
(Binding Agent, Film Forming, Binding)
1
Saccharomyces Cerevisiae Extract
(Skin Conditioning)
1
Opuntia Ficus-Indica Fruit Extract
(Skin Conditioning)
1
B
Camellia Sinensis Leaf Extract
(Antimicrobial, Antioxidant, Astringent, Emollient, Humectant, Masking, Oral Care Agent, Skin Conditioning, Skin Protecting, Tonic, Uv Absorber)
Good for Oily Skin
Good for Oily Skin
1
A
Arginine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking)
1
Adenosine
(Skin Conditioning)
1
Sodium Acetylated Hyaluronate
(Humectant)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
Cystoseira Tamariscifolia Extract
(Skin Conditioning)
1
Sodium Hyaluronate Crosspolymer
(Humectant, Skin Conditioning)
1
A
Glutamine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent)
1
Ascorbyl Glucoside
(Antioxidant)
1
A
Maltodextrin
(Absorbent, Binding Agent, Emulsion Stabilising, Film Forming, Hair Conditioning, Skin Conditioning, Suspending Agent Nonsurfactant, Binding)
1
Olive Glycerides
(Emulsifying, Humectant)
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
3
A
Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking)
1
2
A
Silica
(Abrasive, Absorbent, Anticaking Agent, Bulking Agent, Opacifying, Viscosity Controlling)
3
A
Potassium Sorbate
(Fragrance, Preservative)
Hydrolyzed Sodium Hyaluronate
(Skin Conditioning)
Biotinoyl Hexapeptide-2 Amide
(Skin Conditioning)
1
A
Beta-Glucan
(Bulking Agent, Skin Conditioning)
3
B
PCA
(Humectant, Moisturising)
1
A
Myristyl Alcohol
(Emulsion Stabilising, Fragrance, Skin Conditioning, Emollient, Surfactant Foam Booster, Viscosity Increasing Agent, Foam Boosting, Viscosity Controlling)
1
Ceramide NP
(Hair Conditioning, Skin Conditioning)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
1
Gluconolactone
(Fragrance, Humectant, Solvent)
1
3
Titanium Dioxide
(Cosmetic Colorant, Opacifying, Sunscreen Agent, Uv Absorber)
Good for Sensitive Skin
Good for Sensitive Skin
2
Mica
(Cosmetic Colorant, Opacifying)
1
Swertia Chirata Extract
(Humectant)
1
Polygonum Cuspidatum Root Extract
(Antioxidant)
1
A
Calcium Gluconate
(Skin Conditioning, Humectant, Oral Care Agent)
2
A
Tin Oxide
(Abrasive, Bulking Agent, Opacifying, Viscosity Controlling)

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
Pentylene Glycol
Skin Conditioning
Niacinamide
Skin Conditioning
Butylene Glycol
Skin Conditioning, Humectant
Morinda Citrifolia Fruit Juice
Skin Conditioning
Caprylic/Capric Triglyceride
Emollient, Skin Conditioning

Benefits

Good for dry skin
Good for oily/acne-prone 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
Pentylene Glycol
Skin conditioning, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningSolvent
Niacinamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningSmoothing
Morinda Citrifolia Fruit Juice
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Caprylic/Capric Triglyceride
Emollient, Masking
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientMaskingPerfumingSkin conditioningSolvent
Propanediol
Solvent, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 SolventViscosity decreasing agentViscosity controlling
Lactobacillus Ferment
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Glyceryl Caprylate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningEmollientEmulsifyingSurfactant
Polyglyceryl-10 Distearate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Skin conditioningEmollientEmulsifyingSurfactant
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
Sclerotium Gum
Emulsion stabilising, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingSkin conditioningViscosity increasing agentViscosity controlling
Lecithin
Skin conditioning, Emulsifying
Low-to-moderate hazard.Read moreShow less
EWG 2–3 Skin conditioningEmulsifyingSurfactantAntistatic agentEmollient
Pullulan
Binding agent, Film forming
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentFilm formingBinding
Saccharomyces Cerevisiae Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Opuntia Ficus-Indica Fruit Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
+ 26 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
Glyceryl Stearate
Emollient, Emulsifying
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientEmulsifying Fungal-acne trigger
Stearic Acid
Fragrance, Sufactant
Potentially comedogenic - can block poresRead moreShow less
EWG 1 CIR A FragranceSufactantEmulsifyingSurfactantsurfactant-cleansing agent is included as a function for the soap form of stearic acid.Emulsion stabilisingMaskingRefatting Bad for Oily SkinFungal-acne trigger
Sorbitan Stearate
Fragrance, Emulsifying
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceEmulsifyingSurfactant Fungal-acne trigger
Camellia Sinensis Leaf Extract
Antimicrobial, Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B AntimicrobialAntioxidantAstringentEmollientHumectantMaskingOral care agentSkin conditioningSkin protectingTonicUv absorber Good for Oily 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
Titanium Dioxide
Cosmetic colorant, Opacifying
Low-to-moderate hazard.Read moreShow less
EWG 1–3 Cosmetic colorantOpacifyingSunscreen agentUv absorber Good for Sensitive Skin

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.

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 Glucoside

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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