Science
Mechanism of Action
This dimethicone derivative works by creating a hydrophobic, vapor-permeable film on the skin and hair, which acts as a protective barrier against moisture loss and environmental stressors. Its viscoelastic properties and low surface tension facilitate easy spreading, enabling it to fill microscopic skin crevices for a smoother feel. On hair, it coats individual strands to deliver conditioning benefits, enhance shine, and improve manageability.
Research
Clinical Evidence
Medium confidenceN/A
Transparency
Dusting Analysis
Information regarding dusting potential for this specific ingredient is not detailed in the available research data.
The Formula
Formulation
Stability
As a dimethicone derivative, the base structure is inherently stable, exhibiting resistance to oxidation and degradation from both sunlight and air, which supports its suitability for enduring cosmetic formulations.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has deemed Dimethicone, Methicone, and related substituted-methicone polymers, the class to which this ingredient belongs, as 'safe as used' in cosmetics, provided formulations are non-irritating. While a specific maximum concentration for DISTEARMONIUM/DIETHONIUM CHLORIDE PG-DIMETHICONE is not explicitly defined by CIR, Dimethicone itself is recognized by the US FDA as a skin protectant at lower concentrations and has a reported dermal contact concentration up to 85%. Closely related conditioning ingredients typically see usage between 0.5-5% in hair products.
Your Skin
Skin Compatibility
Our Assessment
Verdict
DISTEARMONIUM/DIETHONIUM CHLORIDE PG-DIMETHICONE is a valuable ingredient, offering significant conditioning and emollient benefits for both skin and hair with a low risk of irritation or comedogenicity, and is affirmed as safe for cosmetic use within its ingredient class.
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References
Sources