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DIMETHICONE PG-DIETHYLMONIUM CHLORIDE.

Valuable CAS 588707-20-4 / HAIR CONDITIONING

DIMETHICONE PG-DIETHYLMONIUM CHLORIDE is an advanced silicone derivative engineered to form a protective, breathable film on the skin. It effectively minimizes moisture loss, leading to enhanced hydration and a notably smooth skin feel. This versatile ingredient also delivers robust conditioning benefits for hair.

Summary

Skin Protectant Moisturizing Hydrating Barrier Enhancer Smoothing Hair Conditioning Anti-Static Agent

Science

Mechanism of Action

This silicone derivative functions by forming a hydrophobic yet porous barrier on the skin's surface. This barrier is critical for preventing transepidermal water loss, thereby deeply moisturizing and hydrating the skin, while simultaneously shielding it from external irritants and preventing exogenous substances from entering the stratum corneum. It imparts a noticeable smoothing effect, leaving the skin feeling silky and soft, and can temporarily minimize the appearance of fine lines. In hair care, its inherent positive charge ensures strong substantivity to hair fibers, resulting in increased shine, improved manageability, enhanced volume, and reduced static electricity.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

As a silicone derivative, DIMETHICONE PG-DIETHYLMONIUM CHLORIDE is typically incorporated into formulations as a liquid or gel. Consequently, 'dusting' or concerns related to powdered ingredients are not relevant to this ingredient's usage.

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Silicones generally exhibit high resistance to most chemical substances; however, they can be compromised by strong acids. Specific optimal pH range and detailed stability data for DIMETHICONE PG-DIETHYLMONIUM CHLORIDE were not found. For reference, a related silicone, PEG-8 dimethicone, maintains stability in formulations within a functional pH range of 5.5 to 8.5.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
5%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has evaluated dimethicone, methicone, and substituted-methicone polymers, including derivatives like this ingredient. They concluded these are safe for use in cosmetics under current practices and concentrations, provided formulations are non-irritating. The maximum reported use level specifically for DIMETHICONE PG-DIETHYLMONIUM CHLORIDE as a hair conditioner is 5%. It is also noted that the broader ingredient Dimethicone is considered a skin protectant by the FDA at concentrations of 1-30%, with CIR reporting use levels up to 85% in dermal contact products.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Verdict

Valuable

DIMETHICONE PG-DIETHYLMONIUM CHLORIDE is a valuable ingredient, providing scientifically supported skin protection and moisturizing benefits through barrier formation, alongside a desirable smoothing effect, with low irritancy and comedogenicity across all skin types.

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