#4 The Cleanser

Rationale

Where to buy Possibly in stock

About this product

The Rationale #4 The Cleanser is a cleanser. Our analysis of its 66 ingredients (44 low-risk) rates it Excellent (99/100). 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
Cleansers
Ingredients
66
Low-risk
44
Fragrance
Fragrance-free
Origin
Australia

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 9/5
Good for dry skin
Glutamic Acid Cetearyl Alcohol Cetyl Alcohol Butylene Glycol Glycerin Cholesterol Histidine Davidsonia Pruriens Fruit Extract Santalum Acuminatum Fruit Extract
Caution for dry skin
Behenic Acid Cetyl Alcohol Glycerin Ceteareth-20 Ceteareth-25
Oily/Acne-Prone Skin No data
Sensitive Skin 7/22
Good for sensitive skin
Terminalia Ferdinandiana Fruit Extract Glycerin Davidsonia Pruriens Fruit Extract Copper Gluconate Aloe Barbadensis Leaf Juice Santalum Acuminatum Fruit Extract Brachychiton Acerifolius Flower Extract
Caution for sensitive skin
Glycine Glutamic Acid Lysine Valine Serine Cetyl Alcohol Aspartic Acid Alanine Arginine Isoleucine Butylene Glycol Glycerin Tyrosine Threonine Phenylalanine Proline Histidine Citric Acid Sodium Benzoate Potassium Sorbate Phenoxyethanol Limonene

Ingredients list

66 total
Lower hazard (1) Higher hazard (6)
All66 Skin Conditioning60 Hair Conditioning28 Fragrance24 Antistatic Agent13 Masking10 Humectant10 Antioxidant8 Solvent7
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
1
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
1
A
Cetearyl Alcohol
(Emulsion Stabilising, Opacifying, Foam Boosting, Viscosity Increasingagent Aqueous, Viscosity Increasing Agent, Emollient, Emulsifying, Viscosity Controlling)
3
B
Ceteareth-20
(Cleansing, Emulsifying, 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
1
A
1,2-Hexanediol
(Solvent)
citrus aurantium dulcis peel oil
(Fragrance, Skin Conditioning)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
B
Aloe Barbadensis Leaf Juice
(Skin Conditioning)
Good for Sensitive Skin
Good for Sensitive Skin
1
A
Tocotrienols
(Oral Care Agent, Skin Conditioning, Uv Absorber)
1
Caprylhydroxamic Acid
(Chelating Agent)
Helianthus Annuus Seed Oil
(Fragrance, Skin Conditioning, Skin Conditioning Emollient)
Santalum Spicatum Seed Oil
(Skin Conditioning)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
ELAEIS GUINEENSIS OIL
(Skin Conditioning Emollient)
2
Mica
(Cosmetic Colorant, Opacifying)
1
7-Dehydrocholesterol
(Skin Conditioning, Viscosity Increasing Agent, Emulsion Stabilising, Viscosity Controlling)
3
B
Ceteareth-25
(Cleansing, Emulsifying, Surfactant)
1
A
Pentylene Glycol
(Skin Conditioning, Solvent)
1
A
Magnesium Aspartate
(Skin Conditioning)
3
Zinc Gluconate
(Cosmetic Biocide, Skin Conditioning, Deodorant)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
1
A
Cetyl Alcohol
(Emulsion Stabilising, Fragrance, Opacifying, Emulsifying, Surfactant, Foam Boosting, Viscosity Increasing Agent, Emollient, Masking, Viscosity Controlling)
1
Banksia Serrata Flower Extract
(Hair Conditioning, Skin Conditioning)
Barklya Syringifolia Flower/Leaf Extract
(Antioxidant, Hair Conditioning, Humectant, Skin Conditioning, Skin Protecting)
Brachychiton Acerifolius Flower Extract
(Antioxidant, Hair Conditioning, Skin Conditioning)
Citrus Australasica Fruit Extract
(Antioxidant, Humectant, Skin Conditioning)
1
Davidsonia Pruriens Fruit Extract
(Antioxidant, Hair Conditioning, Humectant, Skin Conditioning)
1
Hibiscus Sabdariffa Flower Extract
(Skin Conditioning)
MELALEUCA ALTERNIFOLIA LEAF EXTRACT
(Perfuming, Skin Conditioning)
Santalum Acuminatum Fruit Extract
(Antioxidant, Hair Conditioning, Humectant)
Tasmannia Lanceolata Fruit Extract
(Skin Conditioning)
Telopea Speciosissima Flower/Leaf Extract
(Antioxidant, Bleaching, Humectant, Skin Conditioning, Skin Protecting)
1
Terminalia Ferdinandiana Fruit Extract
(Antioxidant, Bleaching)
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
1
Behenic Acid
(Opacifying, Sufactantsurfactant Cleansing Agent Is Included As A Function For The Soap Form Of Behenic Acid., Emulsifying)
Fungal Acne
Fungal Acne Trigger
1
Ceramide NP
(Hair Conditioning, Skin Conditioning)
1
A
Cholesterol
(Emulsion Stabilising, Skin Conditioning, Viscosity Increasing Agent, Emollient, Emulsifying, Stabilising, Viscosity Controlling)
2
Copper Gluconate
(Skin Conditioning, Skin Protecting)
3
A
Potassium Sorbate
(Fragrance, Preservative)
Ceramide NS
(Hair Conditioning, Skin Conditioning)
1
A
Glycine
(Buffering Agent, Fragrance, Hair Conditioning, Skin Conditioning Agent Miscellaneous, Antistatic Agent, Skin Conditioning)
3
A
Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking)
1
A
Serine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking)
1
A
Glutamic Acid
(Fragrance, Hair Conditioning, Humectant, Antistatic Agent)
Ceramide AP
(Hair Conditioning, Skin Conditioning)
Ceramide EOP
(Hair Conditioning, Skin Conditioning)
Ceramide EOS
(Hair Conditioning, Skin Conditioning)
1
A
Aspartic Acid
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking)
1
A
Leucine
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
A
Caprooyl Phytosphingosine
(Hair Conditioning, Skin Conditioning)
A
Caprooyl Sphingosine
(Hair Conditioning, Skin Conditioning)
1
A
Alanine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking)
1
A
Lysine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent)
1
A
Arginine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking)
1
A
Tyrosine
(Fragrance, Hair Conditioning, Proprietary, Skin Conditioning Agent Miscellaneous, Antistatic Agent, Masking, Skin Conditioning)
1
A
Phenylalanine
(Fragrance, Hair Conditioning, Skin Conditioning)
1
A
Proline
(Fragrance, Hair Conditioning, Skin Conditioning)
1
A
Threonine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Hair Waving Or Straightening)
1
A
Valine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking)
1
A
Isoleucine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent)
1
A
Histidine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Humectant)
6
Limonene
(Deodorant, Perfuming, Solvent)
Allergens
Allergens
CI 77891
(Colorant)
1
2
CI 77491
(Colorant, Cosmetic Colorant)

My Ingredient Notes

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Key ingredients

Cetearyl Alcohol
Emollient
Glycerin
Humectant, Skin Protecting
citrus aurantium dulcis peel oil
Skin Conditioning
TOCOPHEROL
Antioxidant, Skin Conditioning
Aloe Barbadensis Leaf Juice
Skin Conditioning
Tocotrienols
Skin Conditioning, Uv Absorber

Benefits

Good for dry skin

Concerns

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

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Propanediol
Solvent, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 SolventViscosity decreasing agentViscosity controlling
Cetearyl Alcohol
Emulsion stabilising, Opacifying
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingOpacifyingFoam boostingViscosity increasingagent - aqueousViscosity increasing agentEmollientEmulsifyingViscosity controlling
Ceteareth-20
Cleansing, Emulsifying
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B CleansingEmulsifyingSurfactant
1,2-Hexanediol
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Solvent
citrus aurantium dulcis peel oil
Fragrance, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A FragranceSkin conditioning
TOCOPHEROL
Antioxidant, Fragrance
Limited public safety data.Read moreShow less
EWG N/A AntioxidantFragranceSkin conditioning
Tocotrienols
Oral care agent, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Oral care agentSkin conditioningUv absorber
Caprylhydroxamic Acid
Chelating agent
Low-hazard ingredient.Read moreShow less
EWG 1 Chelating agent
Helianthus Annuus Seed Oil
Fragrance, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A FragranceSkin conditioningSkin conditioning emollient
Santalum Spicatum Seed Oil
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
ELAEIS GUINEENSIS OIL
Skin conditioning emollient
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning emollient
Mica
Cosmetic colorant, Opacifying
Low-hazard ingredient.Read moreShow less
EWG 2 Cosmetic colorantOpacifying
7-Dehydrocholesterol
Skin conditioning, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioningViscosity increasing agentEmulsion stabilisingViscosity controlling
Ceteareth-25
Cleansing, Emulsifying
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B CleansingEmulsifyingSurfactant
+ 44 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
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
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
Behenic Acid
Opacifying, Sufactantsurfactant-cleansing agent is included as a function for the soap form of behenic acid.
Low-hazard ingredient.Read moreShow less
EWG 1 OpacifyingSufactantsurfactant-cleansing agent is included as a function for the soap form of behenic acid.Emulsifying Fungal-acne trigger
Limonene
Deodorant, Perfuming
Moderate-hazard ingredient.Read moreShow less
EWG 6 DeodorantPerfumingSolvent Allergens

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 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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