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Moumoujus

METHICONE.

Valuable CAS 9004-73-3 / ANTISTATIC, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

Methicone is a silicone polymer that forms a thin, permeable film on the skin, expertly smoothing texture and minimizing the appearance of wrinkles. It functions as a skin conditioning agent, providing emollience and reducing transepidermal water loss while also enhancing product spreadability.

Summary

Skin Conditioning Emollient Film-forming Solvent Antistatic Viscosity Controlling

Science

Mechanism of Action

Methicone operates by creating an invisible, breathable barrier on the skin's surface. This film effectively fills microscopic gaps between skin cells, leading to a perceptibly smoother texture and a reduction in the visibility of fine lines and wrinkles. It can contribute to enhanced skin elasticity and firmness, offering a tightening sensation. As a skin conditioning agent, it actively helps to prevent moisture evaporation, thereby maintaining optimal skin hydration. Furthermore, within formulations, Methicone improves the seamless application of products and can facilitate the delivery of other active ingredients by creating a protective, optimized environment.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Oil
Optimal pH 3 – 9
0 7 14

Stability

Formulations containing Methicone, particularly sun protection lotions and creams with Methicone coatings, demonstrate stability across a pH range of 3 to 9.

Synergies

  • Enhances the spreadability of other product ingredients
  • Improves the delivery of other active ingredients by forming a protective barrier

Safety

Safety Profile

CIR Status
Safe as used with restrictions
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel, in reviews from 2019 and 2021, concluded that Methicone and its related polymers are safe for cosmetic use under current practices and concentrations, provided formulations are non-irritating. A specific restriction applies to products delivered via airbrush devices due to insufficient data regarding potential incidental inhalation. It is noteworthy that the FDA classifies Dimethicone, a closely related silicone, as a Category 1 (safe and effective) active ingredient for skin protection in over-the-counter products at concentrations up to 30%, reflecting a generally favorable view of silicones as skin protectants.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Methicone is a valuable film-forming and skin conditioning agent that enhances skin texture, reduces moisture loss, and improves product aesthetics with a low risk of irritation or comedogenicity.

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