Science
Mechanism of Action
It functions as an occlusive agent by forming a microscopic, hydrophobic film on the stratum corneum. This barrier effectively traps moisture to reduce transepidermal water loss (TEWL) without the heavy or tacky sensation associated with traditional waxes. It also acts as a sophisticated solvent, ensuring even distribution of active ingredients across the skin surface.
Research
Clinical Evidence
High confidence20%
Key findings
- 01 Evaluations by the Cosmetic Ingredient Review (CIR) across concentrations up to 90% demonstrate negligible dermal absorption and a lack of sensitization in human subjects.
- 02 Technical assessments show that at concentrations between 20-40%, it significantly enhances surface smoothness and conditioning effects on the scalp and hair fibers.
Transparency
Dusting Analysis
Because this is a functional texture-enhancer and solvent rather than a bio-active 'hero' ingredient, it is rarely 'dusted.' It is typically used at significant percentages to achieve the desired formula viscosity and skin feel.
The Formula
Formulation
Stability
Highly chemically inert; it is not prone to oxidation, hydrolysis, or degradation across a wide pH range, making it exceptionally shelf-stable.
Synergies
- Mineral UV filters
- Heavy botanical oils
- Silicone elastomers
Conflicts
- Strong oxidizing agents
Safety
Safety Profile
Cosmetic-grade C12-20 Isoparaffin is highly purified to remove any impurities found in crude precursors, meeting stringent safety standards for topical and even direct food contact applications.
Your Skin
Skin Compatibility
Our Assessment
Verdict
An excellent, non-irritating texture modulator that provides essential barrier support and a sophisticated skin feel without clogging pores.
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References
Sources