Science
Mechanism of Action
This ingredient functions as a semi-solid occlusive that organizes into a film on the stratum corneum. By combining long-chain alkyl groups with a silicone backbone, it significantly reduces transepidermal water loss (TEWL) without the heaviness or comedogenicity of traditional waxes, while simultaneously stabilizing the formula's viscosity.
Research
Clinical Evidence
High confidence5%
Key findings
- 01 Clinical evaluations confirm that high molecular weight alkyl-modified silicones remain on the skin surface without systemic absorption, functioning safely as protective skin-conditioning agents.
- 02 A Human Repeated Insult Patch Test (HRIPT) involving 83 participants verified that concentrations up to 5% are non-sensitizing and clinically non-irritating.
Transparency
Dusting Analysis
Because this ingredient is primarily used for structural integrity and sensory profile, it is typically used at functional levels (1-15%) rather than for marketing claims.
The Formula
Formulation
Stability
Highly inert and stable; requires heating to its melting point (63°C - 74°C) during the oil phase for proper integration.
Synergies
- UV filters
- Pigment dispersions
- Other dimethicone derivatives
Conflicts
- Strong oxidizing agents
- Highly polar aqueous phases without emulsifiers
Safety
Safety Profile
Its large molecular structure prevents dermal penetration, making it systemically safe for all users.
Your Skin
Skin Compatibility
Our Assessment
Verdict
An excellent rheology modifier and emollient that provides a breathable protective barrier suitable for all skin types, including sensitive and acne-prone.
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References
Sources