Science
Mechanism of Action
This ingredient functions primarily as an occlusive agent, forming a non-permeable layer on the skin's surface to effectively seal in moisture and fortify the skin barrier. Its rich composition of fatty acids, including oleic, stearic, and linoleic acids, provides significant emollient benefits by integrating with existing skin lipids to soften and smooth the complexion. Furthermore, it plays a role in stabilizing product viscosity, particularly in solid formulations.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Hydrogenation enhances the stability of shea butter, significantly extending its shelf life by reducing susceptibility to rancidity compared to unhydrogenated oils. This modification also imparts a desirable solid or semi-solid consistency, crucial for the structural integrity of products like lipsticks.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has deemed Hydrogenated Shea Butter safe for cosmetic use, based on a broader review of plant-derived fatty acids and oils, provided it is formulated to be non-sensitizing. While specific maximum concentration data for this hydrogenated form were not reported, its unhydrogenated counterpart, Butyrospermum Parkii (Shea) Butter, is documented for use up to 100% in moisturizers. It is important to note that individuals with known latex allergies should exercise caution, as shea butter ingredients may trigger an allergic response. Sheanut oil is recognized as GRAS by the FDA for food use.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Hydrogenated Shea Butter serves as a valuable emollient and occlusive agent, effectively boosting skin hydration and barrier function, though its medium comedogenicity suggests caution for acne-prone individuals and those with latex allergies.
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References
Sources