Science
Mechanism of Action
Operating as an effective occlusive and skin-conditioning agent, Dimethiconol Isostearate creates a protective, non-penetrating film on the skin's outermost layer due to its large molecular weight. This resilient barrier traps moisture, significantly reducing transepidermal water loss (TEWL) and boosting skin hydration. Furthermore, it improves the tactile elegance and spreadability of formulations, leaving the skin feeling remarkably smooth and soft while offering a subtle blurring effect on surface imperfections.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
Dimethiconol Isostearate is an emollient film-former and not typically associated with dusting concerns in formulations.
The Formula
Formulation
Stability
The branched structure derived from isostearic acid in Dimethiconol Isostearate potentially offers enhanced spreadability and improved stability within specific formulation matrices compared to straight-chain fatty acid esters.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has deemed Dimethiconol and its derivatives, including Dimethiconol Isostearate, safe for use in cosmetics under current practices. Due to its substantial molecular weight, significant skin absorption is considered unlikely. Extensive testing indicates no evidence of mutations, carcinogenesis, eye irritation, dermal irritation, or sensitization at concentrations typically employed in cosmetic products. While the SCCS has not issued a specific opinion, Dimethiconol derivatives are generally permissible under EU Cosmetics Regulation. No specific FDA status for this particular ingredient has been found.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Dimethiconol Isostearate is a valuable emollient and skin conditioner, forming a safe, non-greasy barrier that effectively hydrates and smooths skin without penetration, enhancing formulation aesthetics.
Related
Similar Ingredients
Finding similar ingredients…
References
Sources