Nutritive 8H Magic Night Serum Hydrating Treatment

Kérastase

Nutritive 8H Magic Night Serum Hydrating Treatment

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About this product

The Kérastase Nutritive 8H Magic Night Serum Hydrating Treatment is a misc. Our analysis of its 29 ingredients (14 low-risk) rates it Great (77/100). 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
Misc
Ingredients
29
Low-risk
14
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 5/2
Good for dry skin
C13-14 Isoparaffin Butylene Glycol Glycerin Dimethicone Hydrolyzed Soy Protein
Caution for dry skin
Glycerin Laureth-7
Oily/Acne-Prone Skin No data
Sensitive Skin 3/14
Good for sensitive skin
Ascorbyl Glucoside Glycerin Dimethicone
Caution for sensitive skin
Butylene Glycol Glycerin Citric Acid Phenoxyethanol Linalool Benzyl Alcohol Citronellol Alpha-Isomethyl Ionone Hexyl Cinnamal Limonene Benzyl Salicylate Coumarin Hydroxycitronellal Iris Florentina Root Extract

Ingredients list

29 total
Lower hazard (1) Higher hazard (7)
All29 Fragrance12 Skin Conditioning11 Masking10 Solvent6 Hair Conditioning6 Antistatic Agent5 Perfuming5 Humectant4
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
3
A
Dimethicone
(Antifoaming Agent, Skin Protecting, Emollient, Skin Conditioning)
Silicone
Silicone
C11-15-Isoalkanes
(Perfuming)
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
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
4
B
Polyacrylamide
(Binding Agent, Film Forming, Hair Fixing, Antistatic Agent, Binding)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
1
B
C13-14 Isoparaffin
(Emollient, Solvent)
3
B
Laureth-7
(Emulsifying, Surfactant)
1
A
Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
1
Ascorbyl Glucoside
(Antioxidant)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
5
Linalool
(Fragrance, Deodorant, Masking)
Allergens
Allergens
7
Hydroxycitronellal
(Fragrance, Masking)
Allergens
Allergens
7
Benzyl Salicylate
(Fragrance, Uv Absorber, Masking)
Allergens
Allergens
5
A
Benzyl Alcohol
(External Analgesic, Fragrance, Oral Health Care Drug, Preservative, Solvent, Viscosity Decreasing Agent, Masking)
Allergens
Allergens
5
Hexyl Cinnamal
(Fragrance, Masking)
Allergens
Allergens
5
Citronellol
(Fragrance, Masking)
Allergens
Allergens
1
B
Hydrolyzed Wheat Protein
(Film Forming, Hair Conditioning, Skin Conditioning, Antistatic Agent)
5
Alpha-Isomethyl Ionone
(Perfuming, Skin Conditioning)
Allergens
Allergens
7
Coumarin
(Fragrance, Masking)
Allergens
Allergens
1
A
Hydrolyzed Corn Protein
(Hair Conditioning, Skin Conditioning, Antistatic Agent)
A
Hydrolyzed Soy Protein
(Antistatic Agent, Hair Conditioning, Humectant, Skin Conditioning)
6
Limonene
(Deodorant, Perfuming, Solvent)
Allergens
Allergens
Iris Florentina Root Extract
(Masking, Tonic)
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
3
CI 19140
(Colorant, Cosmetic Colorant)
3
CI 14700
(Cosmetic Colorant)
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

Vitamin C
Brightens, evens tone, and supports collagen.
Niacinamide
Strengthens, smooths, and brightens skin.
Antioxidants
Shields skin from free radical damage.

Benefits

Scar HealingImproves the look of marks and scars.
HydratingBoosts hydration and relieves dry, tight skin.
Barrier RepairStrengthen and restore your skin's natural barrier.
BrighteningRestores radiance to dull, tired skin.
Reduces IrritationEases discomfort and supports skin resilience.
Redness ReducingSoothes visible redness and calms irritation.
Acne FightingFights acne and helps prevent breakouts.
Anti-AgingSoftens lines and helps skin look youthful.

Concerns

Contains paraben
Contains silicone
Contains eu allergen
Not fungal acne (malassezia) safe
Hydroxycitronellal — higher EWG
Benzyl Salicylate — higher EWG
Coumarin — 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
C11-15-Isoalkanes
Perfuming
Limited public safety data.Read moreShow less
EWG N/A Perfuming
Niacinamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningSmoothing
Polyacrylamide
Binding agent, Film forming
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR B Binding agentFilm formingHair fixingAntistatic agentBinding
C13-14 Isoparaffin
Emollient, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B EmollientSolvent
Laureth-7
Emulsifying, Surfactant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B EmulsifyingSurfactant
Ascorbyl Glucoside
Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 1 Antioxidant
Hydrolyzed Wheat Protein
Film forming, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Film formingHair conditioningSkin conditioningAntistatic agent
Hydrolyzed Corn Protein
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningAntistatic agent
Hydrolyzed Soy Protein
Antistatic agent, Hair conditioning
Limited public safety data.Read moreShow less
EWG N/A CIR A Antistatic agentHair conditioningHumectantSkin conditioning
Iris Florentina Root Extract
Masking, Tonic
Limited public safety data.Read moreShow less
EWG N/A MaskingTonic
CI 19140
Colorant, Cosmetic colorant
Low-to-moderate hazard.Read moreShow less
EWG 3 ColorantCosmetic colorant
CI 14700
Cosmetic colorant
Low-to-moderate hazard.Read moreShow less
EWG 3 Cosmetic colorant
PARFUM
Fragrance, Perfuming
Limited public safety data.Read moreShow less
EWG N/A FragrancePerfuming
Dimethicone
Antifoaming agent, Skin protecting
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Antifoaming agentSkin protectingEmollientSkin conditioning Silicone
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
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
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin
Linalool
Fragrance, Deodorant
Moderate-hazard ingredient.Read moreShow less
EWG 5 FragranceDeodorantMasking Allergens
Hydroxycitronellal
Fragrance, Masking
Higher-hazard ingredient.Read moreShow less
EWG 7 FragranceMasking Allergens
Benzyl Salicylate
Fragrance, Uv absorber
Higher-hazard ingredient.Read moreShow less
EWG 7 FragranceUv absorberMasking Allergens
Benzyl Alcohol
External analgesic, Fragrance
Moderate-hazard ingredient.Read moreShow less
EWG 5 CIR A External analgesicFragranceOral health care drugPreservativeSolventViscosity decreasing agentMasking Allergens
Hexyl Cinnamal
Fragrance, Masking
Moderate-hazard ingredient.Read moreShow less
EWG 5 FragranceMasking Allergens
Citronellol
Fragrance, Masking
Moderate-hazard ingredient.Read moreShow less
EWG 5 FragranceMasking Allergens
Alpha-Isomethyl Ionone
Perfuming, Skin conditioning
Moderate-hazard ingredient.Read moreShow less
EWG 5 PerfumingSkin conditioning Allergens
Coumarin
Fragrance, Masking
Higher-hazard ingredient.Read moreShow less
EWG 7 FragranceMasking Allergens
Limonene
Deodorant, Perfuming
Moderate-hazard ingredient.Read moreShow less
EWG 6 DeodorantPerfumingSolvent 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.

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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