ETUDE SoonJung 5.5 Foam Cleanser — Efficacy 3.7/5.0, Safety 4.9/5.0 | DemythSkin
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[ DemythSkin Verdict ]
ETUDE SoonJung 5.5 Foam Cleanser

ETUDE SoonJung 5.5 Foam Cleanser

CleanserGentle daily cleansing, barrier support, sensitive skin
Efficacy
Basic
3.7 / 5.0
Safety
Excellent
4.9 / 5.0
System Verdict
Excellent gentle cleanser with optimal pH and amino-acid surfactants—a benchmark drugstore formula. This cleanser scores high on efficacy because it accomplishes its core job flawlessly: it removes impurities without stripping the skin barrier. The formulation uses three amino-acid surfactants (Sodium Cocoyl Isethionate, Sodium Methyl Cocoyl Taurate, Potassium Cocoyl Glycinate) positioned in the top 7 ingredients, ensuring effective yet gentle cleansing. The pH is buffered to 5.5 via Citric Acid and Sodium Acetate—ideal for maintaining skin's natural acid mantle. Glycerin, Panthenol, Caprylyl Glycol, and Pentylene Glycol provide humectant support, preventing the tight, stripped feeling common with harsh cleansers. Madecassoside (centella asiatica derivative) adds barrier-repair benefits. The formula contains no sulfates, no harsh surfactants, and no fragrance—eliminating irritation risk. The only minor limitation is that this is a rinse-off product, so the soothing and conditioning ingredients deliver temporary benefits rather than lasting treatment effects, but that is not the cleanser's job.
Active Ingredients Detected
A Tier: Good BasicsProven Results
Eau (Water)GlycerinPanthenolMadecassoside
B Tier: Supporting IngredientsPromising Ingredients
Sodium Cocoyl IsethionateHydroxypropyl Starch PhosphateSodium Methyl Cocoyl TaurateDecyl GlucosidePotassium Cocoyl GlycinateCetearyl AlcoholGlyceryl StearateSorbitan OlivateGlycol DistearatePotassium CocoateCaprylyl GlycolCitric AcidPolyquaternium-67Glyceryl CaprylateDisodium EdtaSodium AcetateSodium ChloridePentylene Glycol
What Each Ingredient Does
Eau (Water)
Solvent base
Sodium Cocoyl Isethionate
Gentle amino-acid surfactant
Glycerin
Humectant, skin conditioning
Hydroxypropyl Starch Phosphate
Thickener, foam stabilizer
Sodium Methyl Cocoyl Taurate
Mild amino-acid surfactant
Decyl Glucoside
Gentle non-ionic surfactant
Potassium Cocoyl Glycinate
Amino-acid surfactant, mild cleanser
Cetearyl Alcohol
Emollient, foam stabilizer
Glyceryl Stearate
Emulsifier, skin conditioning
Sorbitan Olivate
Emulsifier, skin conditioning
Glycol Distearate
Opacifier, emollient
Potassium Cocoate
Mild surfactant
Caprylyl Glycol
Humectant, preservative booster
Citric Acid
pH buffer (maintains 5.5 pH)
Polyquaternium-67
Conditioning agent
Glyceryl Caprylate
Emollient, preservative booster
Disodium Edta
Chelating agent
Sodium Acetate
pH buffer
Sodium Chloride
Viscosity modifier
Panthenol
Humectant, skin conditioning
Pentylene Glycol
Humectant, preservative booster
Madecassoside
Soothing, barrier-repair ingredient
Full Ingredient List (INCI)

Eau, Sodium Cocoyl Isethionate, Glycerin, Hydroxypropyl Starch Phosphate, Sodium Methyl Cocoyl Taurate, Decyl Glucoside, Potassium Cocoyl Glycinate, Cetearyl Alcohol, Glyceryl Stearate, Sorbitan Olivate, Glycol Distearate, Potassium Cocoate, Caprylyl Glycol, Citric Acid, Polyquaternium-67, Glyceryl Caprylate, Disodium Edta, Sodium Acetate, Sodium Chloride, Panthenol, Pentylene Glycol, Madecassoside

Frequently Asked

Is ETUDE SoonJung 5.5 Foam Cleanser worth it?

ETUDE SoonJung 5.5 Foam Cleanser scores 3.7 out of 5.0 for efficacy (Basic) and 4.9 out of 5.0 for safety (Excellent) on DemythSkin's independent ingredient analysis. Excellent gentle cleanser with optimal pH and amino-acid surfactants—a benchmark drugstore formula. This cleanser scores high on efficacy because it accomplishes its core job flawlessly: it removes impurities without str

What are the key active ingredients in ETUDE SoonJung 5.5 Foam Cleanser?

ETUDE SoonJung 5.5 Foam Cleanser contains no gold-standard actives — its formula is built on supporting and base ingredients rather than clinically transformative actives.

Does ETUDE SoonJung 5.5 Foam Cleanser contain fragrance or known irritants?

DemythSkin's analysis found no flagged irritants in ETUDE SoonJung 5.5 Foam Cleanser. It scores 4.9 out of 5.0 for safety.

How is ETUDE SoonJung 5.5 Foam Cleanser scored?

DemythSkin grades every product on two independent axes: efficacy (whether the ingredients have clinical evidence of working) and safety (irritation and sensitisation risk). Ingredients are classified S through D against a database of over 3,000 compounds. No brand pays for a score.

Analyze on DemythSkin →

Analysis last updated: 2026-05-04. DemythSkin is an independent ingredient analyzer. Scores are computed by a deterministic rubric from published clinical evidence — no brand pays for a score.