Prep & Protect Heat Defense Spray

Nexxus

Prep & Protect Heat Defense Spray

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About this product

The Nexxus Prep & Protect Heat Defense Spray is a misc. Our analysis of its 25 ingredients (11 low-risk) rates it Great (75/100). Based on its ingredients, it looks well-suited to 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
25
Low-risk
11
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 7/4
Good for dry skin
Dimethiconol Cetearyl Alcohol Glycerin Hydrolyzed Elastin Hydrolyzed Hyaluronic Acid Cyclopentasiloxane Lactic Acid
Caution for dry skin
Dimethicone Crosspolymer Stearamidopropyl Dimethylamine Glycerin Eugenol
Oily/Acne-Prone Skin No data
Sensitive Skin 1/11
Good for sensitive skin
Glycerin
Caution for sensitive skin
Glycerin Lactic Acid Phenoxyethanol Linalool Benzyl Alcohol Citronellol Hexyl Cinnamal Limonene Benzyl Salicylate Eugenol Geraniol

Ingredients list

25 total
Lower hazard (1) Higher hazard (7)
All25 Fragrance11 Skin Conditioning8 Solvent7 Masking7 Hair Conditioning5 Humectant5 Viscosity Controlling4 Emulsion Stabilising4
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
PARAFFINUM LIQUIDUM
(Antistatic, Skin Conditioning Emollient, Skin Protecting, Solvent)
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
Hydrolyzed Elastin
(Antistatic Agent, Film Forming, Hair Conditioning, Humectant, Skin Conditioning)
VITIS VINIFERA SEED OIL
(Skin Conditioning, Skin Conditioning Emollient)
1
Hydrolyzed Hyaluronic Acid
(Hair Conditioning, Humectant, Skin Conditioning)
1
A
Cetearyl Alcohol
(Emulsion Stabilising, Opacifying, Foam Boosting, Viscosity Increasingagent Aqueous, Viscosity Increasing Agent, Emollient, Emulsifying, Viscosity Controlling)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
3
A
Cyclopentasiloxane
(Hair Conditioning, Skin Conditioning, Emollient, Solvent)
Silicone
Silicone
1
B
Stearamidopropyl Dimethylamine
(Antistatic Agent, Emulsifying, Hair Conditioning, Surfactant)
PARFUM
(Fragrance, Perfuming)
1
A
1,2-Hexanediol
(Solvent)
Polyquaternium Crosspolymer-3
(Viscosity Controlling)
1
A
Disodium EDTA
(Chelating Agent, Viscosity Controlling)
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
1
A
Dimethiconol
(Antifoaming Agent, Skin Conditioning, Emollient, Moisturising)
Silicone
Silicone
1
A
Dimethicone Crosspolymer
(Emulsion Stabilising, Hair Fixing, Suspending Agent Nonsurfactant, Viscosity Increasingagent Nonaqueous, Viscosity Controlling)
5
A
Benzyl Alcohol
(External Analgesic, Fragrance, Oral Health Care Drug, Preservative, Solvent, Viscosity Decreasing Agent, Masking)
Allergens
Allergens
7
Benzyl Salicylate
(Fragrance, Uv Absorber, Masking)
Allergens
Allergens
5
Citronellol
(Fragrance, Masking)
Allergens
Allergens
7
Eugenol
(Denaturant, Fragrance, Masking, Tonic)
Allergens
Allergens
7
Geraniol
(Fragrance, Masking, Tonic)
Allergens
Allergens
5
Hexyl Cinnamal
(Fragrance, Masking)
Allergens
Allergens
6
Limonene
(Deodorant, Perfuming, Solvent)
Allergens
Allergens
5
Linalool
(Fragrance, Deodorant, Masking)
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

PARAFFINUM LIQUIDUM
Skin Protecting
Glycerin
Humectant, Skin Protecting
Hydrolyzed Elastin
Humectant, Skin Conditioning
VITIS VINIFERA SEED OIL
Skin Conditioning
Hydrolyzed Hyaluronic Acid
Humectant, Skin Conditioning
Cetearyl Alcohol
Emollient

Benefits

Good for dry skin

Concerns

Contains paraben
Contains silicone
Contains eu allergen
Not fungal acne (malassezia) safe
Benzyl Salicylate — higher EWG
Eugenol — higher EWG
Geraniol — 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
PARAFFINUM LIQUIDUM
Antistatic, Skin conditioning emollient
Limited public safety data.Read moreShow less
EWG N/A AntistaticSkin conditioning emollientSkin protectingSolvent
Hydrolyzed Elastin
Antistatic agent, Film forming
Low-hazard ingredient.Read moreShow less
EWG 1 Antistatic agentFilm formingHair conditioningHumectantSkin conditioning
VITIS VINIFERA SEED OIL
Skin conditioning, Skin conditioning emollient
Limited public safety data.Read moreShow less
EWG N/A Skin conditioningSkin conditioning emollient
Hydrolyzed Hyaluronic Acid
Hair conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningHumectantSkin conditioning
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
PARFUM
Fragrance, Perfuming
Limited public safety data.Read moreShow less
EWG N/A FragrancePerfuming
1,2-Hexanediol
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Solvent
Polyquaternium Crosspolymer-3
Viscosity controlling
Limited public safety data.Read moreShow less
EWG N/A Viscosity controlling
Disodium EDTA
Chelating agent, Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Chelating agentViscosity controlling
Dimethicone Crosspolymer
Emulsion stabilising, Hair fixing
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingHair fixingSuspending agent - nonsurfactantViscosity increasingagent - nonaqueousViscosity controlling
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
Cyclopentasiloxane
Hair conditioning, Skin conditioning
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Hair conditioningSkin conditioningEmollientSolvent Silicone
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
Dimethiconol
Antifoaming agent, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antifoaming agentSkin conditioningEmollientMoisturising Silicone
Benzyl Alcohol
External analgesic, Fragrance
Moderate-hazard ingredient.Read moreShow less
EWG 5 CIR A External analgesicFragranceOral health care drugPreservativeSolventViscosity decreasing agentMasking Allergens
Benzyl Salicylate
Fragrance, Uv absorber
Higher-hazard ingredient.Read moreShow less
EWG 7 FragranceUv absorberMasking Allergens
Citronellol
Fragrance, Masking
Moderate-hazard ingredient.Read moreShow less
EWG 5 FragranceMasking 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
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

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

Effective levels — general guide

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

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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