MUJI Foam Body Soap

MUJI Foam Body Soap

Efficacy100/100IrritancyMedium

Works for

Cleansing
Lauramidopropyl betaine, Peg-80 sorbitan laurate + 5 more
Cleanses gently
What the product description says
“Foam Body Soap”
From product name

This product works by removing dirt and oil from the surface of the skin. It uses a combination of mild cleansing agents (lauramidopropyl betaine, peg-60 hydrogenated castor oil, peg-80 sorbitan laurate, polysorbate 80, sodium cocoamphoacetate, sodium cocoyl glutamate, sodium methyl cocoyl taurate) and should be able to cleanse the skin gently. Still keep in mind that any cleansing can disrupt the skin barrier, and most people do not need to cleanse their skin more than once per day.

Even though this formulation is mild, the following cleansing agents could trigger an irritation or allergy for some people: sodium methyl cocoyl taurate

Lauramidopropyl betaineEffect: High~3.6–5.5%
Peg-80 sorbitan laurateEffect: High~1.2–1.8%
Sodium cocoyl glutamateEffect: HighHelps oil and water mix together~1–1.5%
Sodium methyl cocoyl taurateEffect: HighHelps oil and water mix together. Can be used as cleansing agent~1–1.6%
Sodium cocoamphoacetateEffect: HighHelps oil and water mix together and works as a cleansing agent. Creates foam~0.35–0.85%
Polysorbate 80Effect: HighHelps water and oil mix together~0.15–0.55%
Peg-60 hydrogenated castor oilEffect: HighHelps oil and water mix together~0.1–0.4%

Can it cause trouble?

Irritancy
9 flagged ingredients
Medium risk
We flagged 9 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
Sodium methyl cocoyl taurateHelps oil and water mix together. Can be used as cleansing agentHigh~1–1.6%est.
Citrus aurantium dulcis peel oilAn essentil oil from orange peel. Potential allergen and can be irritatingHigh~0.01–0.05%est.
Lauramidopropyl betaine—Medium~3.6–5.5%est.
Pentylene glycolUsed to preserve products, dissolve other ingredients and create a nice product textureMedium~1.4–2.1%est.
Sodium cocoyl glutamateHelps oil and water mix togetherMedium~1–1.5%est.
Olea europaea fruit oilAn emollient that helps soften the skin but is not effective for restoring its barrier function. Might be helpful to calm down inflammationMedium~0.3–0.7%est.
Sodium cocoamphoacetateHelps oil and water mix together and works as a cleansing agent. Creates foamMedium~0.35–0.85%est.
Peg-60 hydrogenated castor oilHelps oil and water mix togetherMedium~0.1–0.4%est.
Citric acidCan work as an exfoliant but is typically used to adjust the product pHMedium~0.01–0.05%est.
Comedogenic
Clean of flagged comedogenic ingredients
None flagged

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Ingredients

Filter by role to see what each ingredient is doing.

Water~40–60%
Formula
Irritation risk
Low

Plain old water

More about Water
Glycerin~4.3–6.4%
Formula
Irritation risk
Low
Works for
Moisturizing

One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant

More about Glycerin
Peg-400~3.7–5.5%
Formula
Irritation risk
Low
More about Peg-400
Lauramidopropyl betaine~3.6–5.5%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing
More about Lauramidopropyl betaine
Dipropylene glycol~1.9–2.8%
Formula
Irritation risk
Low

Helps to dissolve other ingredients in a formulation. Slows down the rate of product drying

More about Dipropylene glycol
Propanediol~1.6–2.4%
Formula
Irritation risk
Low

Acts as a solvent for other ingredients. Speeds up the absorption of other ingredients into the skin

More about Propanediol
Pentylene glycol~1.4–2.1%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

Used to preserve products, dissolve other ingredients and create a nice product texture

More about Pentylene glycol
Peg-80 sorbitan laurate~1.2–1.8%
Formula
Irritation risk
Low
Works for
Cleansing
More about Peg-80 sorbitan laurate
Sodium cocoyl glutamate~1–1.5%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Sodium cocoyl glutamate
Sodium methyl cocoyl taurate~1–1.6%
Irritant · high
Irritation risk
High
Works for
Cleansing

Helps oil and water mix together. Can be used as cleansing agent

More about Sodium methyl cocoyl taurate
Lauroyl methyl
Not recognized
Alanine~0.45–1.1%
Formula
Irritation risk
Low
Works for
MoisturizingEvens skin tone

An amino-acid that helps to attract water to the upper layer of the skin and might help to lighten the skin, but solid evidence is lacking

More about Alanine
Na
Not recognized
Polyquaternium-51~0.4–0.95%
Formula
Irritation risk
Low
Works for
Moisturizing

An emollient that helps create a nice silky finish on the skin

More about Polyquaternium-51
Sodium hyaluronate~0.35–0.75%
Formula
Irritation risk
Low
Works for
Moisturizing

One of the best moisturizing ingredients. Attracts water into the upper layer of the skin

More about Sodium hyaluronate
Olea europaea fruit oil~0.3–0.7%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

An emollient that helps soften the skin but is not effective for restoring its barrier function. Might be helpful to calm down inflammation

More about Olea europaea fruit oil
Sodium cocoamphoacetate~0.35–0.85%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together and works as a cleansing agent. Creates foam

More about Sodium cocoamphoacetate
Polysorbate 80~0.15–0.55%
Formula
Irritation risk
Low
Works for
Cleansing

Helps water and oil mix together

More about Polysorbate 80
Peg-60 hydrogenated castor oil~0.1–0.4%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Peg-60 hydrogenated castor oil
Polyquaternium-39~0.1–0.3%
Formula
Irritation risk
Low

Helps soften the upper layer of the skin and create a nice product finish

More about Polyquaternium-39
Phenoxyethanol~0.05–0.2%
Formula
Irritation risk
Low

A preservative. It helps prevent bacterial growth in cosmetic products

More about Phenoxyethanol
Citric acid~0.01–0.05%
Irritant · medium
Irritation risk
Medium

Can work as an exfoliant but is typically used to adjust the product pH

More about Citric acid
Citrus aurantium dulcis peel oil~0.01–0.05%
Irritant · high
Irritation risk
High

An essentil oil from orange peel. Potential allergen and can be irritating

More about Citrus aurantium dulcis peel oil
Ingredient list view

Water, Glycerin, Peg-400, Lauramidopropyl betaine, Dipropylene glycol, Propanediol, Pentylene glycol, Peg-80 sorbitan laurate, Sodium cocoyl glutamate, Sodium methyl cocoyl taurate, Unknown, Alanine, Unknown, Polyquaternium-51, Sodium hyaluronate, Olea europaea fruit oil, Sodium cocoamphoacetate, Polysorbate 80, Peg-60 hydrogenated castor oil, Polyquaternium-39, Phenoxyethanol, Citric acid, Citrus aurantium dulcis peel oil

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$19.30
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Worth comparing, line by line.

Match % combines shared ingredients, the first five ingredients, shared actives and hero ingredients, irritancy (lower counts in the alternative's favour), texture and body area. Only products in the same routine step are compared.

Side-by-side comparison of this product against its closest alternatives
MUJIFoam Body SoapYOUR PRODUCTNécessaireThe Body Wash Fragrance-Free – Barrier Cleanse With Niacinamide, 5 Essential Ceramides + Hyaluronic Acid With PumpNaturiumThe Booster Hyaluronic Acid Body WashCliniqueDeep Comfort Body Wash - Body Wash
Match—31%31%30%
Price$19.30$42.00+$22.70$16.99−$2.31$35.70+$16.40
Shared key ingredients—3 of 103 of 103 of 10
Key difference—NiacinamidePanthenolLauric Acid
Irritancy Medium Low Low Low
Drying alcohol————
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As an Amazon Associate, WIMJ earns from qualifying purchases.