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Argentum Apothecary le savon lune Illuminating Hydration Bar
Argentum Apothecary

Argentum Apothecary le savon lune Illuminating Hydration Bar

Efficacy100/100IrritancyHigh
See all ingredients

Works for

Cleansing
Disodium lauryl sulfosuccinate, Cetearyl alcohol + 4 more
Cleanses gently
What the product description says
“Achieve a luminous complexion with the ARgENTUM le savon lune Facial Cleanser; a hydrating soap bar that seeks to restore the natural balance of skin.”
Source: Lookfantastic

This product works by removing dirt and oil from the surface of the skin. It uses a combination of mild cleansing agents (cetearyl alcohol, cocamidopropyl betaine, coco-glucoside, disodium lauryl sulfosuccinate, hydrogenated castor oil, stearic acid) 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: cocamidopropyl betaine, coco-glucoside

Disodium lauryl sulfosuccinateEffect: HighUsed as a cleansing agent. Helps water and oil mix together~22–33%
Cetearyl alcoholEffect: HighA non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture~5.4–8.1%
Hydrogenated castor oilEffect: HighA plant oil that can help soften the skin. It might be helpful in calming down inflammation, but solid research is lacking. Is often used in lip products to create the needed product consistency~3–4.6%
Stearic acidEffect: HighHelps oil and water mix together and works as an emollient~1.8–2.8%
Cocamidopropyl betaineEffect: HighHelps water and oil mix together. Used as a cleansing ingredient. Could be an allergen~1.5–2.2%
Coco-glucosideEffect: HighUsed as a cleansing agent (surfactant) in cleansers. Helps water and oil mix together in lotions. Can be irritating~1.3–2%

Can it cause trouble?

Irritancy
4 strong irritants: Parfum, Limonene + 2 more — patch-test recommended
High risk
We flagged 8 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
Coco-glucosideUsed as a cleansing agent (surfactant) in cleansers. Helps water and oil mix together in lotions. Can be irritatingHigh~1.3–2%est.
Cocamidopropyl betaineHelps water and oil mix together. Used as a cleansing ingredient. Could be an allergenHigh~1.5–2.2%est.
ParfumAn aromatic blend of unspecified and possibly irritating ingredientsHigh~0.15–0.55%est.
LimoneneA common frangrance that can easily irritate skin, especially if exposed to air, light or heatHigh~0.05–0.25%est.
LinaloolA fragrance. Can be irritatingHigh~0.05–0.2%est.
EugenolA fragrance. Is a likely irritantHigh~0.05–0.15%est.
Disodium lauryl sulfosuccinateUsed as a cleansing agent. Helps water and oil mix togetherMedium~22–33%est.
Hydrogenated castor oilA plant oil that can help soften the skin. It might be helpful in calming down inflammation, but solid research is lacking. Is often used in lip products to create the needed product consistencyMedium~3–4.6%est.
Comedogenic
2 ingredients rated 2 or more on the 0–5 pore-clogging scale
2 flagged
These ingredients have a comedogenic rating of 2 or more on a 0–5 scale; the table shows each one's rating. In leave-on products they can clog pores in acne-prone skin.
IngredientFunctionRatingEst. amount
Butyrospermum parkii butterA great moisturising ingredient that softens the skin and reduces water loss from its upper layer. It also can be helpful in protecting skin from free radicals3/5~0.9–1.35%est.
Cetearyl alcoholA non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture2/5~5.4–8.1%est.

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Ingredients

Filter by role to see what each ingredient is doing.

Disodium lauryl sulfosuccinate~22–33%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Used as a cleansing agent. Helps water and oil mix together

More about Disodium lauryl sulfosuccinate
Cetearyl alcohol~5.4–8.1%
Comedogenic 2/5
Irritation risk
Low
Comedogenicity
2/5
Works for
CleansingMoisturizing

A non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture

More about Cetearyl alcohol
Triticum vulgare starch~4.8–7.2%
Formula
Irritation risk
Low
More about Triticum vulgare starch
Colloidal silver~3.8–5.8%
Formula
Irritation risk
Low
More about Colloidal silver
Hydrogenated castor oil~3–4.6%
Irritant · medium
Irritation risk
Medium
Works for
CleansingMoisturizingAnti-inflammatory

A plant oil that can help soften the skin. It might be helpful in calming down inflammation, but solid research is lacking. Is often used in lip products to create the needed product consistency

More about Hydrogenated castor oil
Glycerin~2.2–3.3%
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
Stearic acid~1.8–2.8%
Formula
Irritation risk
Low
Works for
CleansingMoisturizing

Helps oil and water mix together and works as an emollient

More about Stearic acid
Coco-glucoside~1.3–2%
Irritant · high
Irritation risk
High
Works for
Cleansing

Used as a cleansing agent (surfactant) in cleansers. Helps water and oil mix together in lotions. Can be irritating

More about Coco-glucoside
Cocamidopropyl betaine~1.5–2.2%
Irritant · high
Irritation risk
High
Works for
Cleansing

Helps water and oil mix together. Used as a cleansing ingredient. Could be an allergen

More about Cocamidopropyl betaine
Butyrospermum parkii butter~0.9–1.35%
Comedogenic 3/5
Irritation risk
Low
Comedogenicity
3/5
Works for
MoisturizingAnti-oxidationAnti-aging

A great moisturising ingredient that softens the skin and reduces water loss from its upper layer. It also can be helpful in protecting skin from free radicals

More about Butyrospermum parkii butter
Glycerin~0.5–1.15%
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
Bentonite~0.45–1.05%
Formula
Irritation risk
Low
Works for
Anti-blemish

Helps stabilize the product formulation

More about Bentonite
Sodium dna~0.35–0.8%
Formula
Irritation risk
Low
More about Sodium dna
Parfum~0.15–0.55%
Irritant · high
Irritation risk
High

An aromatic blend of unspecified and possibly irritating ingredients

More about Parfum
Quartz~0.2–0.75%
Formula
Irritation risk
Low

A mineral. It does not have any confirmed benefit for the skin

More about Quartz
Limonene~0.05–0.25%
Irritant · high
Irritation risk
High

A common frangrance that can easily irritate skin, especially if exposed to air, light or heat

More about Limonene
Linalool~0.05–0.2%
Irritant · high
Irritation risk
High

A fragrance. Can be irritating

More about Linalool
Eugenol~0.05–0.15%
Irritant · high
Irritation risk
High

A fragrance. Is a likely irritant

More about Eugenol
Ingredient list view

Disodium lauryl sulfosuccinate, Cetearyl alcohol, Triticum vulgare starch, Colloidal silver, Hydrogenated castor oil, Glycerin, Stearic acid, Coco-glucoside, Cocamidopropyl betaine, Butyrospermum parkii butter, Glycerin, Bentonite, Sodium dna, Parfum, Quartz, Limonene, Linalool, Eugenol

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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
Argentum Apothecaryle savon lune Illuminating Hydration BarYOUR PRODUCTEmbryolisseGentle Cleasing BarGallinéePrebiotic Cleansing BarAhavaPurifying Dead Sea Mud Soap
Match—37%35%35%
Price—$10.00$17.19$12.00
Shared key ingredients—2 of 83 of 83 of 8
Key difference—Sodium Coco-SulfateLactic AcidTitanium Dioxide
Irritancy High Medium Medium Medium
Drying alcohol————
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Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 6 studies and safety reviews.

  1. 1
    Final report on the safety assessment of Ricinus Communis (Castor) Seed Oil, Hydrogenated Castor Oil, Glyceryl Ricinoleate, Glyceryl Ricinoleate SE, Ricinoleic Acid, Potassium Ricinoleate, Sodium Ricinoleate, Zinc Ricinoleate, Cetyl Ricinoleate, Ethyl Ricinoleate, Glycol Ricinoleate, Isopropyl Ricinoleate, Methyl Ricinoleate, and Octyldodecyl Ricinoleatencbi.nlm.nih.gov
  2. 2
    Castor Oil: Properties, Uses, and Optimization of Processing Parameters in Commercial Productionncbi.nlm.nih.gov
  3. 3
    Effect of ricinoleic acid in acute and subchronic experimental models of inflammationncbi.nlm.nih.gov
  4. 4
    Glycerol and the skin: holistic approach to its origin and functionsncbi.nlm.nih.gov
  5. 5
    In Vitro Assessment of Skin Irritation Potential of Surfactant-based Formulations by Using a 3-D Skin Reconstructed Tissue Model and Cytokine Responseresearchgate.net
  6. 6
    Allergen of the Year—Alkyl Glucosidepracticeupdate.com
Argentum Apothecary le savon lune Illuminating Hydration Bar
Argentum Apothecaryle savon lune Illuminating Hydration Bar
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