Prior Booster Cleansing Gel

Shiseido

Where to buy Possibly in stock

About this product

The Shiseido Prior Booster Cleansing Gel is a cleanser. Our analysis of its 32 ingredients (22 low-risk) rates it Excellent (97/100). 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
Cleansers
Ingredients
32
Low-risk
22
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

PH Level

(Know the PH? Submit it here! )

N/A - No submissions yet

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 9/6
Good for dry skin
Honey Cetyl Ethylhexanoate Soluble Collagen Squalane Butylene Glycol Sodium Hyaluronate Glycerin Trehalose Dimethicone
Caution for dry skin
Xanthan Gum Glycerin Hydroxyproline PEG-11 Methyl Ether Dimethicone Alcohol Denat. PEG-10 Isostearate
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Alcohol Denat.
Sensitive Skin 3/7
Good for sensitive skin
Glycerin Dimethicone Tocopheryl Acetate
Caution for sensitive skin
Serine Butylene Glycol Glycerin Citric Acid Potassium Sorbate Alcohol Denat. Phenoxyethanol

Ingredients list

32 total
Lower hazard (1) Higher hazard (4)
All32 Skin Conditioning26 Fragrance8 Hair Conditioning8 Humectant8 Emulsion Stabilising4 Emollient4 Viscosity Controlling4 Masking4
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
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
PEG-10 Isostearate
(Emulsifying, Surfactant)
3
A
Dimethicone
(Antifoaming Agent, Skin Protecting, Emollient, Skin Conditioning)
Silicone
Silicone
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
1
B
Cetyl Ethylhexanoate
(Skin Conditioning, Emollient)
3
A
PEG-11 Methyl Ether Dimethicone
(Hair Conditioning, Skin Conditioning, Surfactant Emulsifyingagent)
Coconut Oil Polyglyceryl-6 Esters
(Skin Conditioning Emollient, Surfactant Emulsifying)
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
1
A
Trehalose
(Flavoring Agent, Humectant, Moisturising)
1
Honey
(Flavoring Agent, Humectant, Emollient, Moisturising)
1
A
Squalane
(Emollient, Hair Conditioning, Refatting, Skin Conditioning)
1
A
Serine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking)
3
Tocopheryl Acetate
(Antioxidant, Skin Conditioning)
Bad for Oily Skin
Bad for Oily Skin
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
1
Hydroxyproline
(Hair Conditioning, Skin Conditioning, Antistatic Agent, Surfactant)
SIMMONDSIA CHINENSIS SEED OIL
(Hair Conditioning, Skin Conditioning, Skin Conditioning Emollient)
1
A
Sericin
(Hair Conditioning, Skin Conditioning, Antistatic Agent, Smoothing)
1
Soluble Collagen
(Hair Conditioning, Skin Conditioning, Antistatic Agent, Film Forming, Humectant)
Salvia Officinalis Extract
(Anti Seborrheic, Antimicrobial, Antioxidant, Astringent, Cleansing, Deodorant, Skin Conditioning, Skin Protecting, Soothing, Tonic)
1
Royal Jelly Extract
(Skin Conditioning)
Vigna Radiata Seed Extract
(Skin Conditioning)
PEG-12 Diisostearate
(Emulsifying)
1
A
Carbomer
(Emulsion Stabilising, Viscosity Increasing Agent, Gel Forming, Viscosity Controlling)
3
B
Potassium Hydroxide
(Ph Adjuster, Buffering Agent)
2
A
EDTA
(Chelating Agent)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
3
A
Potassium Sorbate
(Fragrance, Preservative)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
PARFUM
(Fragrance, Perfuming)

My Ingredient Notes

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Key ingredients

Glycerin
Humectant, Skin Protecting
Butylene Glycol
Skin Conditioning, Humectant
Dimethicone
Skin Protecting, Emollient
Alcohol Denat.
Astringent
Cetyl Ethylhexanoate
Skin Conditioning, Emollient
PEG-11 Methyl Ether Dimethicone
Skin Conditioning

Benefits

Good for dry skin
Good for oily/acne-prone 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
PEG-10 Isostearate
Emulsifying, Surfactant
Limited public safety data.Read moreShow less
EWG N/A EmulsifyingSurfactant
Cetyl Ethylhexanoate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Skin conditioningEmollient
PEG-11 Methyl Ether Dimethicone
Hair conditioning, Skin conditioning
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Hair conditioningSkin conditioningSurfactant - emulsifyingagent
Coconut Oil Polyglyceryl-6 Esters
Skin conditioning emollient, Surfactant emulsifying
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning emollientSurfactant emulsifying
Xanthan Gum
Binding agent, Emulsion stabilising
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentEmulsion stabilisingSkin conditioningSurfactant -emulsifying agentViscosity increasing agentBindingGel formingViscosity controlling
Trehalose
Flavoring agent, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Flavoring agentHumectantMoisturising
Honey
Flavoring agent, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 Flavoring agentHumectantEmollientMoisturising
Squalane
Emollient, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientHair conditioningRefattingSkin conditioning
Serine
Fragrance, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceHair conditioningSkin conditioningAntistatic agentMasking
Hydroxyproline
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningSkin conditioningAntistatic agentSurfactant
SIMMONDSIA CHINENSIS SEED OIL
Hair conditioning, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Hair conditioningSkin conditioningSkin conditioning emollient
Sericin
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningAntistatic agentSmoothing
Soluble Collagen
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningSkin conditioningAntistatic agentFilm formingHumectant
Salvia Officinalis Extract
Anti seborrheic, Antimicrobial
Limited public safety data.Read moreShow less
EWG N/A Anti seborrheicAntimicrobialAntioxidantAstringentCleansingDeodorantSkin conditioningSkin protectingSoothingTonic
+ 9 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
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
Tocopheryl Acetate
Antioxidant, Skin conditioning
Potentially comedogenic - can block poresRead moreShow less
EWG 3 AntioxidantSkin conditioning Bad for Oily Skin
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant Good for Dry Skin
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
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben

How to use

How to use

  • 1 Where it fits: Use as the first step, on clean hands, before the rest of your routine.
  • 2 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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