Keratin Heat Hitzeschutzspray

Syoss

Keratin Heat Hitzeschutzspray

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About this product

The Syoss Keratin Heat Hitzeschutzspray is a misc. Our analysis of its 23 ingredients (15 low-risk) rates it Excellent (96/100). 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.

Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Misc
Ingredients
23
Low-risk
15
Fragrance
Contains fragrance
Origin
Japan

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 7/4
Good for dry skin
Gluconolactone Cetyl Ethylhexanoate Caprylyl Glycol Butylene Glycol Propylene Glycol Hydrolyzed Keratin Lactic Acid
Caution for dry skin
Terpineol Polysorbate 80 PEG-60 Hydrogenated Castor Oil Alcohol Denat.
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Alcohol Denat.
Sensitive Skin 0/10
Caution for sensitive skin
Gluconolactone Butylene Glycol Propylene Glycol Terpineol Tetramethyl Acetyloctahydronaphthalenes Sodium Benzoate PEG-60 Hydrogenated Castor Oil Lactic Acid Alcohol Denat. Trimethylcyclopentenyl Dimethylisopentenol

Ingredients list

23 total
Lower hazard (1) Higher hazard (4)
All23 Skin Conditioning13 Solvent7 Fragrance7 Humectant7 Perfuming6 Masking5 Hair Conditioning5 Viscosity Controlling3
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
4
Alcohol Denat.
(Antifoaming Agent, Antimicrobial, Astringent, Masking, Solvent, Viscosity Controlling)
Bad for Dry Skin
Bad for Dry Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
2
A
Hydrolyzed Keratin
(Hair Conditioning, Nail Conditioning Agent, Skin Conditioning, Antistatic Agent, Film Forming, Humectant)
1
A
Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
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
Polyurethane-48
(Film Forming)
3
A
Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking)
3
B
PEG-60 Hydrogenated Castor Oil
(Fragrance, Sufactant, Surfactant)
Fungal Acne
Fungal Acne Trigger
PARFUM
(Fragrance, Perfuming)
Bis-Isobutyl PEG/PPG-20/35/Amodimethicone Copolymer
(Hair Conditioning)
1
B
Cetyl Ethylhexanoate
(Skin Conditioning, Emollient)
4
B
Lactic Acid
(Exfoliant, Fragrance, Humectant, Ph Adjuster, Skin Conditioning Agent Humectant, Skin Conditioning, Buffering Agent)
Bad for Sensitive Skin
Bad for Sensitive Skin
3
B
Polysorbate 80
(Denaturant, Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
Gluconolactone
(Fragrance, Humectant, Solvent)
1
Methylpropanediol
(Solvent)
1
Tetramethyl Acetyloctahydronaphthalenes
(Masking, Perfuming, Skin Conditioning)
6-Methyl-5-Hepten-2-Ol
(Perfuming)
Trimethylcyclopentenyl Dimethylisopentenol
(Perfuming)
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
Dimethyl Phenylethyl Carbinyl Acetate
(Perfuming)
1
Terpineol
(Denaturant, Masking, Perfuming, Solvent)

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

Alcohol Denat.
Astringent
Hydrolyzed Keratin
Skin Conditioning, Humectant
Panthenol
Skin Conditioning
Niacinamide
Skin Conditioning
Propylene Glycol
Humectant, Skin Conditioning
Cetyl Ethylhexanoate
Skin Conditioning, Emollient

Benefits

Good for dry skin
Good for oily/acne-prone skin

Concerns

Not fungal acne (malassezia) safe
May not suit sensitive skin

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Hydrolyzed Keratin
Hair conditioning, Nail conditioning agent
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A Hair conditioningNail conditioning agentSkin conditioningAntistatic agentFilm formingHumectant
Niacinamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningSmoothing
Polyurethane-48
Film forming
Limited public safety data.Read moreShow less
EWG N/A Film forming
Sodium Benzoate
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A FragrancePreservativeAnticorrosiveMasking
PARFUM
Fragrance, Perfuming
Limited public safety data.Read moreShow less
EWG N/A FragrancePerfuming
Bis-Isobutyl PEG/PPG-20/35/Amodimethicone Copolymer
Hair conditioning
Limited public safety data.Read moreShow less
EWG N/A Hair conditioning
Cetyl Ethylhexanoate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Skin conditioningEmollient
Gluconolactone
Fragrance, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 FragranceHumectantSolvent
Methylpropanediol
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Tetramethyl Acetyloctahydronaphthalenes
Masking, Perfuming
Low-hazard ingredient.Read moreShow less
EWG 1 MaskingPerfumingSkin conditioning
6-Methyl-5-Hepten-2-Ol
Perfuming
Limited public safety data.Read moreShow less
EWG N/A Perfuming
Trimethylcyclopentenyl Dimethylisopentenol
Perfuming
Limited public safety data.Read moreShow less
EWG N/A Perfuming
Caprylyl Glycol
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningEmollientHumectant
Dimethyl Phenylethyl Carbinyl Acetate
Perfuming
Limited public safety data.Read moreShow less
EWG N/A Perfuming
+ 1 more — see the full ingredients list above
Alcohol Denat.
Antifoaming agent, Antimicrobial
Causes moisture evaporation - prone to dry out skinRead moreShow less
EWG 4 Antifoaming agentAntimicrobialAstringentMaskingSolventViscosity controlling Bad for Dry SkinBad for Sensitive Skin
Panthenol
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentHair conditioningSkin conditioning Good for Dry Skin
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
PEG-60 Hydrogenated Castor Oil
Fragrance, Sufactant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B FragranceSufactantSurfactant Fungal-acne trigger
Lactic Acid
Exfoliant, Fragrance
Skin irritation can occur at high concentrationRead moreShow less
EWG 4 CIR B ExfoliantFragranceHumectantPh adjusterSkin-conditioning agent -humectantSkin conditioningBuffering agent Bad for Sensitive Skin
Polysorbate 80
Denaturant, Emulsifying
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B DenaturantEmulsifyingSurfactant Fungal-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

How to use

How to use

  • 1 Evening, start slow: Best in the PM a few times a week to begin with; avoid layering with other strong actives the same night.
  • 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

Effective levels — general guide

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

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

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.

Lactic 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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