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Moumoujus

FULLER'S EARTH.

Valuable CAS 8031-18-3 / ABRASIVE, ABSORBENT, BULKING, OPACIFYING

Fuller's Earth, an aluminum silicate clay, is a highly absorbent mineral recognized for its ability to purify and clarify the skin. It effectively draws out excess oil and impurities, while offering gentle exfoliation to promote a clearer, smoother complexion, particularly beneficial for those with oily or normal skin types.

Summary

absorbent anticaking bulking gel forming opacifying viscosity controlling abrasive

Science

Mechanism of Action

Fuller's Earth functions as a potent superabsorbent, leveraging its aluminum silicate composition, microscopic pore structure, and high cation exchange capacity to attract and extract excess oil, sebum, dirt, and various impurities from the skin's surface and within pores. This action results in effective skin cleansing, aids in regulating sebum production, and provides mild exfoliating benefits by physically removing dead skin cells and environmental pollutants. Furthermore, it contributes to skin soothing due to its noted anti-inflammatory properties.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Commonly dusted

As a fine powder, Fuller's Earth can be incidentally inhaled during use or formulation. The Cosmetic Ingredient Review (CIR) Panel noted insufficient data regarding the safety of Fuller's Earth in products that may lead to incidental inhalation, advising caution in such applications.

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

Fuller's Earth is a stable mineral. Its inherent bleaching efficiency can be enhanced through treatment with dilute acids. Optimal storage involves a water/airproof container, shielded from intense temperatures and moisture.

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The CIR Panel concluded Fuller's Earth is safe for cosmetic use as applied topically, with a specific caveat for products where incidental inhalation may occur due to insufficient data. EU cosmetic regulations by the SCCS do not list any restrictions. While previously exempt from certification as a color additive, it has since been delisted by the FDA for cosmetic use. Overall, it is widely considered safe for topical cosmetic applications.

Your Skin

Skin Compatibility

Yes Normal
No Dry
Yes Oily
No Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Verdict

Valuable

Fuller's Earth is a valuable ingredient, particularly for oily and normal skin types, offering significant absorbent and purifying benefits with a low risk of irritation or comedogenicity.

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