Water Boost Hydrating Booster

Simple Skincare

Where to buy Possibly in stock

About this product

The Simple Skincare Water Boost Hydrating Booster is a emulsion. Our analysis of its 26 ingredients (24 low-risk) rates it Excellent (97/100). Based on its ingredients, it looks well-suited to dry skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Emulsion
Ingredients
26
Low-risk
24
Fragrance
Fragrance-free
Origin
United Kingdom

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 8/4
Good for dry skin
Glyceryl Acrylate/Acrylic Acid Copolymer Saccharide Isomerate Caprylyl Glycol Butylene Glycol Glycerin Dimethicone Sodium Lactate PEG-8
Caution for dry skin
Glycerin Trideceth-9 t-Butyl Alcohol PEG-40 Hydrogenated Castor Oil
Oily/Acne-Prone Skin No data
Sensitive Skin 3/9
Good for sensitive skin
Glycerin Dimethicone BHT
Caution for sensitive skin
Sodium Citrate Sodium Chloride Butylene Glycol Glycerin t-Butyl Alcohol Citric Acid PEG-40 Hydrogenated Castor Oil Phenoxyethanol BHT

Ingredients list

26 total
Lower hazard (1) Higher hazard (6)
All26 Humectant8 Viscosity Controlling7 Fragrance7 Skin Conditioning6 Solvent6 Emulsion Stabilising5 Buffering Agent5 Masking5
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(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
A
Pentylene Glycol
(Skin Conditioning, Solvent)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
3
A
Dimethicone
(Antifoaming Agent, Skin Protecting, Emollient, Skin Conditioning)
Silicone
Silicone
3
A
PEG-8
(Humectant, Solvent)
2
Ammonium Acryloyldimethyltaurate/Beheneth-25 Methacrylate Crosspolymer
(Emulsion Stabilising)
3
A
Benzophenone-4
(Uv Absorber, Uv Filter)
6
A
BHT
(Antioxidant, Fragrance, Masking)
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
1
A
Carbomer
(Emulsion Stabilising, Viscosity Increasing Agent, Gel Forming, Viscosity Controlling)
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
1
Glyceryl Acrylate/Acrylic Acid Copolymer
(Humectant, Viscosity Controlling)
3
B
PEG-40 Hydrogenated Castor Oil
(Fragrance, Emulsifying, Surfactant, Perfuming)
Fungal Acne
Fungal Acne Trigger
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
1
A
Polyvinyl Alcohol
(Binding Agent, Film Forming, Viscosity Increasing Agent, Viscosity Controlling)
1
Potassium Carbonate
(Ph Adjuster, Buffering Agent)
1
Potassium Chloride
(Viscosity Increasing Agent, Viscosity Controlling)
Bad for Oily Skin
Bad for Oily Skin
3
B
Potassium Hydroxide
(Ph Adjuster, Buffering Agent)
1
A
PVM/MA Copolymer
(Antistatic Agent, Binding, Emulsion Stabilising, Film Forming, Hair Fixing, Viscosity Controlling)
1
Saccharide Isomerate
(Humectant)
1
Sodium Chloride
(Bulking Agent, Masking, Oral Care Agent, Viscosity Controlling)
1
A
Sodium Citrate
(Ph Adjuster, Buffering Agent, Chelating, Masking)
3
B
Sodium Lactate
(Buffering Agent, Exfoliant, Humectant, Keratolytic)
2
A
t-Butyl Alcohol
(Denaturant, Fragrance, Solvent, Perfuming)
1
B
Trideceth-9
(Emulsifying, Surfactant)

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

Glycerin
Humectant, Skin Protecting
Pentylene Glycol
Skin Conditioning
Butylene Glycol
Skin Conditioning, Humectant
Dimethicone
Skin Protecting, Emollient
PEG-8
Humectant
Benzophenone-4
Uv Absorber, Uv Filter

Benefits

Good for dry skin

Concerns

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

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Pentylene Glycol
Skin conditioning, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningSolvent
PEG-8
Humectant, Solvent
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A HumectantSolvent
Ammonium Acryloyldimethyltaurate/Beheneth-25 Methacrylate Crosspolymer
Emulsion stabilising
Low-hazard ingredient.Read moreShow less
EWG 2 Emulsion stabilising
Benzophenone-4
Uv absorber, Uv filter
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Uv absorberUv filter
Caprylyl Glycol
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningEmollientHumectant
Carbomer
Emulsion stabilising, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingViscosity increasing agentGel formingViscosity controlling
Glyceryl Acrylate/Acrylic Acid Copolymer
Humectant, Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 HumectantViscosity controlling
Polyvinyl Alcohol
Binding agent, Film forming
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentFilm formingViscosity increasing agentViscosity controlling
Potassium Carbonate
Ph adjuster, Buffering agent
Low-hazard ingredient.Read moreShow less
EWG 1 Ph adjusterBuffering agent
Potassium Hydroxide
Ph adjuster, Buffering agent
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B Ph adjusterBuffering agent
PVM/MA Copolymer
Antistatic agent, Binding
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentBindingEmulsion stabilisingFilm formingHair fixingViscosity controlling
Saccharide Isomerate
Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 Humectant
Sodium Chloride
Bulking agent, Masking
Low-hazard ingredient.Read moreShow less
EWG 1 Bulking agentMaskingOral care agentViscosity controlling
Sodium Citrate
Ph adjuster, Buffering agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Ph adjusterBuffering agentChelatingMasking
+ 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
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin
Dimethicone
Antifoaming agent, Skin protecting
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Antifoaming agentSkin protectingEmollientSkin conditioning Silicone
BHT
Antioxidant, Fragrance
Moderate-hazard ingredient.Read moreShow less
EWG 6 CIR A AntioxidantFragranceMasking
Citric Acid
Chelating agent, Fragrance
Skin irritation can occur at high concentrationRead moreShow less
EWG 2 CIR A Chelating agentFragrancePh adjusterBuffering agentMasking Bad for Sensitive Skin
PEG-40 Hydrogenated Castor Oil
Fragrance, Emulsifying
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B FragranceEmulsifyingSurfactantPerfuming Fungal-acne trigger
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
Potassium Chloride
Viscosity increasing agent, Viscosity controlling
Potentially comedogenic - can block poresRead moreShow less
EWG 1 Viscosity increasing agentViscosity controlling Bad for Oily Skin

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.

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