Thermal Defence

Curl Keeper

Where to buy Possibly in stock

About this product

The Curl Keeper Thermal Defence is a misc. Our analysis of its 17 ingredients (10 low-risk) rates it Excellent (91/100). 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
17
Low-risk
10
Fragrance
Contains fragrance
Origin
Canada
Data updated
May 2026

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 4/3
Good for dry skin
Equisetum Arvense Extract Oleyl Alcohol Glycerin Propylene Glycol
Caution for dry skin
Equisetum Arvense Extract Glycerin Laureth-23
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Equisetum Arvense Extract
Sensitive Skin 2/5
Good for sensitive skin
Equisetum Arvense Extract Glycerin
Caution for sensitive skin
Oleyl Alcohol Glycerin Propylene Glycol Potassium Sorbate DMDM Hydantoin

Ingredients list

17 total
Lower hazard (1) Higher hazard (7)
All17 Skin Conditioning6 Fragrance6 Solvent4 Film Forming4 Hair Conditioning4 Humectant4 Viscosity Controlling4 Perfuming2
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
Triticum Vulgare Protein
(Buffering, Film Forming, Hair Conditioning, Skin Conditioning, Skin Conditioning Emollient, Skin Protecting)
CYAMOPSIS TETRAGONOLOBA GUM
(Binding, Emulsion Stabilising, Film Forming, Fragrance, Viscosity Controlling)
1
A
Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
1
A
Oleyl Alcohol
(Fragrance, Skin Conditioning, Emollient, Solvent, Viscosity Increasingagent Nonaqueous, Emulsifying, Opacifying, Viscosity Controlling)
Bad for Oily Skin
Bad for Oily Skin
3
B
Laureth-23
(Cleansing, Emulsifying, Surfactant)
Bad for Oily Skin
Bad for Oily Skin
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
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
PARFUM
(Fragrance, Perfuming)
7
A
DMDM Hydantoin
(Preservative)
3
A
Potassium Sorbate
(Fragrance, Preservative)
2
A
Tetrasodium EDTA
(Chelating Agent)
4
B
Polyacrylamide
(Binding Agent, Film Forming, Hair Fixing, Antistatic Agent, Binding)
Chamomilla Recutita Extract
(Skin Conditioning)
1
Equisetum Arvense Extract
(Astringent, Emollient, Soothing, Tonic)
Urtica Dioica Extract
(Anti Seborrheic, Astringent, Hair Conditioning, Skin Conditioning, Soothing, Tonic)
1
Macrocystis Pyrifera Extract
(Viscosity Controlling)

My Ingredient Notes

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Key ingredients

Triticum Vulgare Protein
Skin Conditioning, Skin Protecting
Panthenol
Skin Conditioning
Oleyl Alcohol
Skin Conditioning, Emollient
Propylene Glycol
Humectant, Skin Conditioning
Glycerin
Humectant, Skin Protecting
Chamomilla Recutita Extract
Skin Conditioning

Benefits

HydratingBoosts hydration and relieves dry, tight skin.
Reduces IrritationEases discomfort and supports skin resilience.
Redness ReducingSoothes visible redness and calms irritation.
Scar HealingImproves the look of marks and scars.
Barrier RepairStrengthen and restore your skin's natural barrier.

Concerns

Not fungal acne (malassezia) safe
DMDM Hydantoin — 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
Triticum Vulgare Protein
Buffering, Film forming
Limited public safety data.Read moreShow less
EWG N/A BufferingFilm formingHair conditioningSkin conditioningSkin conditioning emollientSkin protecting
CYAMOPSIS TETRAGONOLOBA GUM
Binding, Emulsion stabilising
Limited public safety data.Read moreShow less
EWG N/A BindingEmulsion stabilisingFilm formingFragranceViscosity controlling
PARFUM
Fragrance, Perfuming
Limited public safety data.Read moreShow less
EWG N/A FragrancePerfuming
Potassium Sorbate
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A FragrancePreservative
Tetrasodium EDTA
Chelating agent
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A Chelating agent
Polyacrylamide
Binding agent, Film forming
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR B Binding agentFilm formingHair fixingAntistatic agentBinding
Chamomilla Recutita Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Equisetum Arvense Extract
Astringent, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 AstringentEmollientSoothingTonic
Urtica Dioica Extract
Anti seborrheic, Astringent
Limited public safety data.Read moreShow less
EWG N/A Anti seborrheicAstringentHair conditioningSkin conditioningSoothingTonic
Macrocystis Pyrifera Extract
Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 Viscosity controlling
Panthenol
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentHair conditioningSkin conditioning Good for Dry Skin
Oleyl Alcohol
Fragrance, Skin conditioning
Potentially comedogenic - can block poresRead moreShow less
EWG 1 CIR A FragranceSkin conditioningEmollientSolventViscosity increasingagent - nonaqueousEmulsifyingOpacifyingViscosity controlling Bad for Oily Skin
Laureth-23
Cleansing, Emulsifying
Potentially comedogenic - can block poresRead moreShow less
EWG 3 CIR B CleansingEmulsifyingSurfactant Bad for Oily 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
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
DMDM Hydantoin
Preservative
Higher-hazard ingredient.Read moreShow less
EWG 7 CIR A Preservative

How to use

How to use

  • 1 Morning & evening: Suitable for both AM and PM use.

General guidance from this product's category and active ingredients — always follow the directions on the package.

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