Pre-Swim Hair Defense

Aqua Guard

Where to buy Possibly in stock

About this product

The Aqua Guard Pre-Swim Hair Defense is a misc. Our analysis of its 27 ingredients (20 low-risk) rates it Excellent (97/100). Based on its ingredients, it looks well-suited to dry and sensitive 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
27
Low-risk
20
Fragrance
Contains fragrance
Origin
United States
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 7/7
Good for dry skin
C10-18 Triglycerides Cetearyl Alcohol Argania Spinosa Kernel Oil Glycerin Hydrogenated Palm Kernel Glycerides Dimethicone Myristyl Myristate
Caution for dry skin
C11-15 Pareth-7 C12-16 Pareth-9 Glyceryl Stearate SE Glycerin Trideceth-12 Laureth-9 Stearalkonium Chloride
Oily/Acne-Prone Skin No data
Sensitive Skin 3/2
Good for sensitive skin
Glycerin Dimethicone Aloe Barbadensis Leaf Juice
Caution for sensitive skin
Glycerin Phenoxyethanol

Ingredients list

27 total
Lower hazard (1) Higher hazard (4)
All27 Skin Conditioning12 Hair Conditioning6 Surfactant6 Emollient6 Emulsifying6 Viscosity Controlling5 Fragrance4 Antistatic Agent4
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
1
A
Cetearyl Alcohol
(Emulsion Stabilising, Opacifying, Foam Boosting, Viscosity Increasingagent Aqueous, Viscosity Increasing Agent, Emollient, Emulsifying, Viscosity Controlling)
4
A
Stearalkonium Chloride
(Antistatic Agent, Preservative, Surfactant)
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
B
Aloe Barbadensis Leaf Juice
(Skin Conditioning)
Good for Sensitive Skin
Good for Sensitive Skin
Butyrospermum Parkii Butter
(Skin Conditioning, Viscosity Controlling)
Prunus Amygdalus Dulcis Oil
(Skin Conditioning)
1
A
Argania Spinosa Kernel Oil
(Emollient, Skin Conditioning)
Fungal Acne
Fungal Acne Trigger
1
Trimethylsiloxyamodimethicone
(Hair Conditioning)
1
B
C11-15 Pareth-7
(Emulsifying, Surfactant)
1
B
C12-16 Pareth-9
(Emulsifying, Surfactant)
1
C10-18 Triglycerides
(Emollient, Skin Conditioning, Solvent)
1
Trideceth-12
(Emulsifying, Surfactant)
3
A
Dimethicone
(Antifoaming Agent, Skin Protecting, Emollient, Skin Conditioning)
Silicone
Silicone
1
A
Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
1
Quaternium-91
(Hair Conditioning)
3
B
Behentrimonium Chloride
(Antistatic Agent, Hair Conditioning, Preservative)
2
3
B
Myristyl Myristate
(Emollient, Opacifying, Skin Conditioning)
Bad for Oily Skin
Bad for Oily Skin
1
A
Disodium EDTA
(Chelating Agent, Viscosity Controlling)
1
A
Amodimethicone
(Antistatic Agent, Hair Conditioning)
Silicone
Silicone
3
Laureth-9
(Emulsifying, Surfactant)
1
A
Glyceryl Stearate SE
(Emulsifying, Surfactant)
Bad for Oily Skin
Bad for Oily Skin
1
Hydrogenated Palm Kernel Glycerides
(Skin Conditioning, Emollient, Viscosity Increasing Agent, Viscosity Controlling)
CYAMOPSIS TETRAGONOLOBA GUM
(Binding, Emulsion Stabilising, Film Forming, Fragrance, Viscosity Controlling)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
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

Cetearyl Alcohol
Emollient
Glycerin
Humectant, Skin Protecting
Aloe Barbadensis Leaf Juice
Skin Conditioning
Butyrospermum Parkii Butter
Skin Conditioning
Prunus Amygdalus Dulcis Oil
Skin Conditioning
Argania Spinosa Kernel Oil
Emollient, Skin Conditioning

Benefits

HydratingBoosts hydration and relieves dry, tight skin.
Barrier RepairStrengthen and restore your skin's natural barrier.
Reduces IrritationEases discomfort and supports skin resilience.
Scar HealingImproves the look of marks and scars.
Redness ReducingSoothes visible redness and calms irritation.
Good For Oily SkinBalances oil and helps reduce shine.
Dark SpotsFades dark spots for even skin tone.
Show all 7 benefits

Concerns

Contains paraben
Contains silicone
Not fungal acne (malassezia) safe

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Cetearyl Alcohol
Emulsion stabilising, Opacifying
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingOpacifyingFoam boostingViscosity increasingagent - aqueousViscosity increasing agentEmollientEmulsifyingViscosity controlling
Stearalkonium Chloride
Antistatic agent, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A Antistatic agentPreservativeSurfactant
Butyrospermum Parkii Butter
Skin conditioning, Viscosity controlling
Limited public safety data.Read moreShow less
EWG N/A Skin conditioningViscosity controlling
Prunus Amygdalus Dulcis Oil
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Trimethylsiloxyamodimethicone
Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioning
C11-15 Pareth-7
Emulsifying, Surfactant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B EmulsifyingSurfactant
C12-16 Pareth-9
Emulsifying, Surfactant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B EmulsifyingSurfactant
C10-18 Triglycerides
Emollient, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 EmollientSkin conditioningSolvent
Trideceth-12
Emulsifying, Surfactant
Low-hazard ingredient.Read moreShow less
EWG 1 EmulsifyingSurfactant
Quaternium-91
Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioning
Behentrimonium Chloride
Antistatic agent, Hair conditioning
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B Antistatic agentHair conditioningPreservative
Disodium EDTA
Chelating agent, Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Chelating agentViscosity controlling
Laureth-9
Emulsifying, Surfactant
Low-to-moderate hazard.Read moreShow less
EWG 3 EmulsifyingSurfactant
Hydrogenated Palm Kernel Glycerides
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioningEmollientViscosity increasing agentViscosity controlling
+ 3 more — see the full ingredients list above
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
Aloe Barbadensis Leaf Juice
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A CIR B Skin conditioning Good for Sensitive Skin
Argania Spinosa Kernel Oil
Emollient, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientSkin conditioning Fungal-acne trigger
Dimethicone
Antifoaming agent, Skin protecting
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Antifoaming agentSkin protectingEmollientSkin conditioning Silicone
Panthenol
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentHair conditioningSkin conditioning Good for Dry Skin
Myristyl Myristate
Emollient, Opacifying
Potentially comedogenic - can block poresRead moreShow less
EWG 2–3 CIR B EmollientOpacifyingSkin conditioning Bad for Oily Skin
Amodimethicone
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentHair conditioning Silicone
Glyceryl Stearate SE
Emulsifying, Surfactant
Potentially comedogenic - can block poresRead moreShow less
EWG 1 CIR A EmulsifyingSurfactant Bad for Oily Skin
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben

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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