Genesis Fondant Renforçateur Conditioner

Kérastase

Genesis Fondant Renforçateur Conditioner

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About this product

The Kérastase Genesis Fondant Renforçateur Conditioner is a misc. Our analysis of its 29 ingredients (16 low-risk) rates it Excellent (82/100). Based on its ingredients, it looks well-suited to oily / acne-prone and 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
Misc
Ingredients
29
Low-risk
16
Fragrance
Contains fragrance
Origin
France

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 9/4
Good for dry skin
Anhydroxylitol Cetearyl Alcohol Cetyl Esters Isopropyl Myristate Xylitol Xylitylglucoside Caprylyl Glycol Glycerin Coco-Caprylate/Caprate
Caution for dry skin
Stearamidopropyl Dimethylamine Xanthan Gum Glycerin Salicylic Acid
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Salicylic Acid
Sensitive Skin 1/12
Good for sensitive skin
Glycerin
Caution for sensitive skin
Isopropyl Myristate Glycerin Tartaric Acid Salicylic Acid Citric Acid Linalool Benzyl Alcohol Citronellol Limonene Benzyl Salicylate Citral Coumarin

Ingredients list

29 total
Lower hazard (1) Higher hazard (7)
All29 Skin Conditioning18 Fragrance14 Masking9 Humectant8 Perfuming6 Hair Conditioning6 Emollient5 Solvent5
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
1
A
Cetearyl Alcohol
(Emulsion Stabilising, Opacifying, Foam Boosting, Viscosity Increasingagent Aqueous, Viscosity Increasing Agent, Emollient, Emulsifying, Viscosity Controlling)
1
B
Stearamidopropyl Dimethylamine
(Antistatic Agent, Emulsifying, Hair Conditioning, Surfactant)
1
B
Isopropyl Myristate
(Binding Agent, Fragrance, Skin Conditioning, Emollient, Binding, Perfuming, Solvent)
Bad for Oily Skin
Bad for Oily Skin
Fungal Acne
Fungal Acne Trigger
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
Glycine Soja Oil
(Perfuming, Skin Conditioning, Skin Conditioning Emollient)
Helianthus Annuus Seed Oil
(Fragrance, Skin Conditioning, Skin Conditioning Emollient)
1
B
Coco-Caprylate/Caprate
(Emollient, Skin Conditioning)
1
B
Cetyl Esters
(Skin Conditioning, Emollient)
1
Tartaric Acid
(Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
4
B
Salicylic Acid
(Antiacne Agent, Antidandruff Agent, Corn/Callus/Wart Remover, Denaturant, Exfoliant, Fragrance, Hair Conditioning, Skin Conditioning, Keratolytic, Masking, Preservative)
Good for Oily Skin
Good for Oily Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
6
Limonene
(Deodorant, Perfuming, Solvent)
Allergens
Allergens
1
A
Hydroxypropyl Guar Hydroxypropyltrimonium Chloride
(Antistatic Agent, Hair Conditioning)
5
Linalool
(Fragrance, Deodorant, Masking)
Allergens
Allergens
7
Benzyl Salicylate
(Fragrance, Uv Absorber, Masking)
Allergens
Allergens
7
Coumarin
(Fragrance, Masking)
Allergens
Allergens
Zingiber Officinale Root Extract
(Fragrance, Perfuming, Skin Conditioning, Tonic)
7
Citral
(Flavoring Agent, Fragrance, Masking)
Allergens
Allergens
5
A
Benzyl Alcohol
(External Analgesic, Fragrance, Oral Health Care Drug, Preservative, Solvent, Viscosity Decreasing Agent, Masking)
Allergens
Allergens
5
Citronellol
(Fragrance, Masking)
Allergens
Allergens
1
Xylitylglucoside
(Humectant, Skin Conditioning)
1
Anhydroxylitol
(Humectant, Skin Conditioning)
Leontopodium Alpinum Callus Culture Extract
(Antioxidant, Hair Conditioning, Humectant, Skin Protecting)
1
Xylitol
(Flavoring Agent, Humectant, Skin Conditioning)
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
1
Dipeptide Diaminobutyroyl Benzylamide Diacetate
(Skin Conditioning)
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

AHA
Exfoliates skin for a brighter complexion.
BHA
Unclogs pores and reduces excess oil.
Peptides
Supports skin hydration and improves firmness.
Antioxidants
Shields skin from free radical damage.

Benefits

HydratingBoosts hydration and relieves dry, tight skin.
BrighteningRestores radiance to dull, tired skin.
Reduces IrritationEases discomfort and supports skin resilience.
Scar HealingImproves the look of marks and scars.
Barrier RepairStrengthen and restore your skin's natural barrier.
Acne FightingFights acne and helps prevent breakouts.
Anti-AgingSoftens lines and helps skin look youthful.
Good For Oily SkinBalances oil and helps reduce shine.

Concerns

Contains eu allergen
Not fungal acne (malassezia) safe
Benzyl Salicylate — higher EWG
Coumarin — higher EWG
Citral — higher EWG
May not suit sensitive skin

EWG flags hazard, not real-world risk — ratings don't account for how much of an ingredient a product contains. Treat these as things to research, not verdicts. How we score →

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Cetearyl Alcohol
Emulsion stabilising, Opacifying
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingOpacifyingFoam boostingViscosity increasingagent - aqueousViscosity increasing agentEmollientEmulsifyingViscosity controlling
Stearamidopropyl Dimethylamine
Antistatic agent, Emulsifying
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Antistatic agentEmulsifyingHair conditioningSurfactant
Glycine Soja Oil
Perfuming, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A PerfumingSkin conditioningSkin conditioning emollient
Helianthus Annuus Seed Oil
Fragrance, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A FragranceSkin conditioningSkin conditioning emollient
Coco-Caprylate/Caprate
Emollient, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B EmollientSkin conditioning
Cetyl Esters
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Skin conditioningEmollient
Caprylyl Glycol
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningEmollientHumectant
Hydroxypropyl Guar Hydroxypropyltrimonium Chloride
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentHair conditioning
Zingiber Officinale Root Extract
Fragrance, Perfuming
Limited public safety data.Read moreShow less
EWG N/A FragrancePerfumingSkin conditioningTonic
Xylitylglucoside
Humectant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 HumectantSkin conditioning
Anhydroxylitol
Humectant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 HumectantSkin conditioning
Leontopodium Alpinum Callus Culture Extract
Antioxidant, Hair conditioning
Limited public safety data.Read moreShow less
EWG N/A AntioxidantHair conditioningHumectantSkin protecting
Xylitol
Flavoring agent, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 Flavoring agentHumectantSkin conditioning
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
+ 2 more — see the full ingredients list above
Isopropyl Myristate
Binding agent, Fragrance
Potentially comedogenic - can block poresRead moreShow less
EWG 1 CIR B Binding agentFragranceSkin conditioningEmollientBindingPerfumingSolvent Bad for Oily SkinFungal-acne trigger
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
Tartaric Acid
Fragrance, Ph adjuster
Skin irritation can occur at high concentrationRead moreShow less
EWG 1 FragrancePh adjusterBuffering agentMasking Bad for Sensitive Skin
Salicylic Acid
Antiacne agent, Antidandruff agent
Skin irritation can occur at high concentrationRead moreShow less
EWG 4 CIR B Antiacne agentAntidandruff agentCorn/callus/wart removerDenaturantExfoliantFragranceHair conditioningSkin conditioningKeratolyticMaskingPreservative Good for Oily SkinBad for Sensitive Skin
Limonene
Deodorant, Perfuming
Moderate-hazard ingredient.Read moreShow less
EWG 6 DeodorantPerfumingSolvent Allergens
Linalool
Fragrance, Deodorant
Moderate-hazard ingredient.Read moreShow less
EWG 5 FragranceDeodorantMasking Allergens
Benzyl Salicylate
Fragrance, Uv absorber
Higher-hazard ingredient.Read moreShow less
EWG 7 FragranceUv absorberMasking Allergens
Coumarin
Fragrance, Masking
Higher-hazard ingredient.Read moreShow less
EWG 7 FragranceMasking Allergens
Citral
Flavoring agent, Fragrance
Higher-hazard ingredient.Read moreShow less
EWG 7 Flavoring agentFragranceMasking Allergens
Benzyl Alcohol
External analgesic, Fragrance
Moderate-hazard ingredient.Read moreShow less
EWG 5 CIR A External analgesicFragranceOral health care drugPreservativeSolventViscosity decreasing agentMasking Allergens
Citronellol
Fragrance, Masking
Moderate-hazard ingredient.Read moreShow less
EWG 5 FragranceMasking Allergens
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 Morning only: Apply as the last step of your AM routine, after moisturiser, and reapply every ~2 hours of sun exposure.
  • 2 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.

Use with caution
BHA (salicylic) (Salicylic Acid)

Low-strength topical salicylic acid (BHA) is generally considered fine. Caution is usually reserved for high-strength leave-on products and salicylic peels.

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.

BHA (salicylic) 0.5–2%

Salicylic acid is OTC-capped at 2%; 0.5–2% is the usual leave-on range. Much below that it acts more as a soothing agent than an exfoliant.

Salicylic Acid

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.

Tartaric 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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