Intensive Overnight Hair Repair Serum

Keranique

Intensive Overnight Hair Repair Serum

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About this product

The Keranique Intensive Overnight Hair Repair Serum is a misc. Our analysis of its 71 ingredients (57 low-risk) rates it Excellent (90/100). Based on its ingredients, it looks well-suited to oily / acne-prone skin. Heads up: it contains fragrance, which can irritate sensitive or reactive skin.

Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Misc
Ingredients
71
Low-risk
57
Fragrance
Contains fragrance
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 9/10
Good for dry skin
Glyceryl Undecylenate Panax Ginseng Root Extract Caprylyl Glycol Butylene Glycol Glycerin Propylene Glycol Hydrolyzed Keratin Glyceryl Laurate Hydrolyzed Soy Protein
Caution for dry skin
Glyceryl Undecylenate Disodium Succinate Glycerin Oleth-10 Glyceryl Laurate Cetrimonium Chloride Polysorbate 20 Menthol PPG-5-Ceteth-20 Eugenol
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Magnesium Ascorbyl Phosphate
Sensitive Skin 6/20
Good for sensitive skin
Magnesium Ascorbyl Phosphate Acetyl Tetrapeptide-3 Panax Ginseng Root Extract Glycerin Pentaerythrityl Tetra-di-t-butyl Hydroxyhydrocinnamate Menthol
Caution for sensitive skin
Disodium Succinate Arginine Butylene Glycol Glycerin Propylene Glycol Oleth-10 Benzoic Acid Sodium Benzoate Sorbic Acid Potassium Sorbate Menthol Linalool Alpha-Isomethyl Ionone Hexyl Cinnamal Limonene Cinnamyl Alcohol Eugenol Geraniol Coumarin Hydroxycitronellal

Ingredients list

71 total
Lower hazard (1) Higher hazard (7)
All71 Skin Conditioning53 Fragrance20 Hair Conditioning19 Masking13 Antistatic Agent13 Viscosity Controlling9 Film Forming8 Humectant8
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
A
Copper Tripeptide-1
(Skin Conditioning)
Baicalin
(Antioxidant, Skin Conditioning)
1
Water
(Solvent)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
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
Acetyl Glucosamine
(Skin Conditioning)
3
B
PPG-5-Ceteth-20
(Emulsifying, Surfactant)
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
3
B
Propylene Glycol
(Fragrance, Humectant, Skin Conditioningagent Miscellaneous, Solvent, Viscosity Decreasing Agent, Skin Conditioning, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
Quaternium-80
(Antistatic Agent, Hair Conditioning)
1
Ammonium Acryloyldimethyltaurate/VP Copolymer
(Viscosity Controlling)
2
B
Oleth-10
(Fragrance, Emulsifying, Surfactant, Perfuming)
1
A
Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
1
A
Hydroxyethylcellulose
(Binding Agent, Emulsion Stabilising, Film Forming, Viscosity Increasing Agent, Binding, Stabilising, Viscosity Controlling)
PARFUM
(Fragrance, Perfuming)
3
B
Cetrimonium Chloride
(Antistatic Agent, Cosmetic Biocide, Emulsifying, Surfactant, Antimicrobial, Preservative)
3
B
Polysorbate 20
(Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
1
Menthol
(Denaturant, External Analgesic, Flavoring Agent, Fragrance, Oral Health Caredrug, Masking, Refreshing, Soothing)
Good for Oily Skin
Good for Oily Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
Bad for Dry Skin
Bad for Dry Skin
1
Tetrasodium Glutamate Diacetate
(Chelating Agent)
3
A
Benzoic Acid
(Fragrance, Ph Adjuster, Preservative, Bulking Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
3
A
Sorbic Acid
(Fragrance, Preservative)
3
A
Aminomethyl Propanol
(Ph Adjuster, Buffering Agent)
1
Serenoa Serrulata Fruit Extract
(Lytic Agent, Skin Conditioning)
1
Hydrolyzed Vegetable Protein PG-Propyl Silanetriol
(Hair Conditioning, Skin Conditioning)
3
A
Glyceryl Laurate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
1
A
Glyceryl Undecylenate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
1
Hydrolyzed Ceratonia Siliqua Seed Extract
(Skin Conditioning)
1
Cystine Bis-PG-Propyl Silanetriol
(Skin Conditioning)
Zea Mays Starch
(Abrasive, Absorbent, Anticaking, Skin Protecting, Viscosity Controlling)
2
A
Keratin
(Hair Conditioning, Skin Conditioning)
1
A
Arginine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking)
1
Acetyl Tyrosine
(Skin Conditioning, Tanning)
1
Quaternium-95
(Hair Conditioning, Uv Absorber)
1
A
Magnesium Ascorbyl Phosphate
(Antioxidant)
3
A
Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking)
1
A
Pentylene Glycol
(Skin Conditioning, Solvent)
1
A
Hydrolyzed Corn Protein
(Hair Conditioning, Skin Conditioning, Antistatic Agent)
3
A
PEG-12 Dimethicone
(Hair Conditioning, Skin Conditioning)
1
A
Dextran
(Binding Agent, Bulking Agent, Binding, Viscosity Controlling)
1
Calcium Pantothenate
(Antistatic Agent, Hair Conditioning)
3
Zinc Gluconate
(Cosmetic Biocide, Skin Conditioning, Deodorant)
2
A
Hydrolyzed Keratin
(Hair Conditioning, Nail Conditioning Agent, Skin Conditioning, Antistatic Agent, Film Forming, Humectant)
1
Ornithine HCL
(Skin Conditioning)
1
Adenosine
(Skin Conditioning)
1
Acetyl Tetrapeptide-3
(Skin Protecting)
Trifolium Pratense Flower Extract
(Astringent, Fragrance)
1
A
Polyquaternium-11
(Antistatic Agent, Film Forming, Hair Fixing)
1
Citrulline
(Skin Conditioning)
1
A
Biotin
(Hair Conditioning, Skin Conditioning, Antiseborrhoeic)
A
Hydrolyzed Soy Protein
(Antistatic Agent, Hair Conditioning, Humectant, Skin Conditioning)
1
Glucosamine HCl
(Ph Adjuster, Antistatic Agent, Hair Conditioning)
1
A
Guar Hydroxypropyltrimonium Chloride
(Antistatic Agent, Hair Conditioning, Viscosity Increasing Agent, Film Forming, Skin Conditioning, Viscosity Controlling)
1
A
Disodium Succinate
(Fragrance, Masking, Surfactant)
3
A
Polyquaternium-7
(Antistatic Agent, Film Forming, Hair Fixing)
1
Arctium Majus Root Extract
(Skin Conditioning)
1
A
Panax Ginseng Root Extract
(Emollient, Hair Conditioning, Skin Protecting, Tonic)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
3
A
Potassium Sorbate
(Fragrance, Preservative)
1
A
Pentaerythrityl Tetra-di-t-butyl Hydroxyhydrocinnamate
(Antioxidant)
1
B
Carnitine
(Antistatic Agent, Hair Conditioning, Skin Conditioning, Sufactant, Foam Boosting, Viscosity Increasing Agent, Viscosity Controlling)
7
Cinnamyl Alcohol
(Flavoring Agent, Fragrance, Masking)
Allergens
Allergens
7
Coumarin
(Fragrance, Masking)
Allergens
Allergens
6
Limonene
(Deodorant, Perfuming, Solvent)
Allergens
Allergens
7
Eugenol
(Denaturant, Fragrance, Masking, Tonic)
Allergens
Allergens
7
Geraniol
(Fragrance, Masking, Tonic)
Allergens
Allergens
5
Hexyl Cinnamal
(Fragrance, Masking)
Allergens
Allergens
7
Hydroxycitronellal
(Fragrance, Masking)
Allergens
Allergens
5
Linalool
(Fragrance, Deodorant, Masking)
Allergens
Allergens
5
Alpha-Isomethyl Ionone
(Perfuming, Skin Conditioning)
Allergens
Allergens

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

Antioxidants
Shields skin from free radical damage.
Peptides
Supports skin hydration and improves firmness.
Vitamin C
Brightens, evens tone, and supports collagen.
Niacinamide
Strengthens, smooths, and brightens skin.
Zinc
Helps control oil and supports healing.

Benefits

HydratingBoosts hydration and relieves dry, tight skin.
Scar HealingImproves the look of marks and scars.
Barrier RepairStrengthen and restore your skin's natural barrier.
Reduces IrritationEases discomfort and supports skin resilience.
Good For Oily SkinBalances oil and helps reduce shine.
Anti-AgingSoftens lines and helps skin look youthful.
Reduces Large PoresMinimizes the look of enlarged pores.
Redness ReducingSoothes visible redness and calms irritation.

Concerns

Contains eu allergen
Not fungal acne (malassezia) safe
Cinnamyl Alcohol — higher EWG
Coumarin — higher EWG
Eugenol — higher EWG
May not suit dry skin
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

Copper Tripeptide-1
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioning
Baicalin
Antioxidant, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A AntioxidantSkin conditioning
Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Propanediol
Solvent, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 SolventViscosity decreasing agentViscosity controlling
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
PPG-5-Ceteth-20
Emulsifying, Surfactant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B EmulsifyingSurfactant
Caprylyl Glycol
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningEmollientHumectant
Quaternium-80
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Antistatic agentHair conditioning
Ammonium Acryloyldimethyltaurate/VP Copolymer
Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 Viscosity controlling
Oleth-10
Fragrance, Emulsifying
Low-hazard ingredient.Read moreShow less
EWG 2 CIR B FragranceEmulsifyingSurfactantPerfuming
Hydroxyethylcellulose
Binding agent, Emulsion stabilising
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentEmulsion stabilisingFilm formingViscosity increasing agentBindingStabilisingViscosity controlling
PARFUM
Fragrance, Perfuming
Limited public safety data.Read moreShow less
EWG N/A FragrancePerfuming
Cetrimonium Chloride
Antistatic agent, Cosmetic biocide
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B Antistatic agentCosmetic biocideEmulsifyingSurfactantAntimicrobialPreservative
Tetrasodium Glutamate Diacetate
Chelating agent
Low-hazard ingredient.Read moreShow less
EWG 1 Chelating agent
+ 39 more — see the full ingredients list above
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin
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
Propylene Glycol
Fragrance, Humectant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B FragranceHumectantSkin-conditioningagent - miscellaneousSolventViscosity decreasing agentSkin conditioningViscosity controlling Good for Dry Skin
Panthenol
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentHair conditioningSkin conditioning Good for Dry Skin
Polysorbate 20
Emulsifying, Surfactant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B EmulsifyingSurfactant Fungal-acne trigger
Menthol
Denaturant, External analgesic
Potentially a skin irritantRead moreShow less
EWG 1 DenaturantExternal analgesicFlavoring agentFragranceOral health caredrugMaskingRefreshingSoothing Good for Oily SkinBad for Sensitive SkinBad for Dry Skin
Benzoic Acid
Fragrance, Ph adjuster
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A FragrancePh adjusterPreservativeBulking agentMasking Bad for Sensitive Skin
Glyceryl Laurate
Skin conditioning, Emollient
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Skin conditioningEmollientEmulsifyingSurfactant Fungal-acne trigger
Cinnamyl Alcohol
Flavoring agent, Fragrance
Higher-hazard ingredient.Read moreShow less
EWG 7 Flavoring agentFragranceMasking 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
Eugenol
Denaturant, Fragrance
Higher-hazard ingredient.Read moreShow less
EWG 7 DenaturantFragranceMaskingTonic Allergens
Geraniol
Fragrance, Masking
Higher-hazard ingredient.Read moreShow less
EWG 7 FragranceMaskingTonic Allergens
Hexyl Cinnamal
Fragrance, Masking
Moderate-hazard ingredient.Read moreShow less
EWG 5 FragranceMasking Allergens
Hydroxycitronellal
Fragrance, Masking
Higher-hazard ingredient.Read moreShow less
EWG 7 FragranceMasking Allergens
+ 2 more — see the full ingredients list above

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.

Magnesium Ascorbyl Phosphate

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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