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C15-19 ISOPARAFFIN.

Valuable CAS 1437281-01-0 / SOLVENT

A high-purity, biodegradable hydrocarbon that serves as a lightweight alternative to volatile silicones. It provides a sophisticated, 'dry-touch' finish while reinforcing the skin's natural moisture barrier without heaviness or greasiness.

Emollient Solvent Texture Enhancer Barrier Protection

Science

This non-polar emollient creates an ultra-thin, breathable film across the stratum corneum, smoothing surface texture and physically obstructing the evaporation of internal moisture. Beyond its occlusive properties, it acts as a high-efficiency solvent that ensures the uniform distribution of pigments and UV filters for consistent performance across the skin.


Research

High confidence
Effective range 2–30%
Optimal

5%

Key findings

  1. 01 Demonstrated an 8% reduction in Transepidermal Water Loss (TEWL) when integrated into sunscreen formulations.
  2. 02 At 30% concentration, it significantly improved formula spreadability and structural firmness compared to traditional mineral oil bases.
  3. 03 Showed a 50% reduction in hair cuticle damage and 90% improvement in manageability at 2% concentration.

Transparency

Not commonly dusted
Min. effective
1%
Red flag below
0.5%

Because it functions primarily as a texture enhancer and solvent, it is rarely 'dusted' for marketing claims; however, a minimum of 1-2% is typically required to notice a meaningful improvement in sensory profile and barrier support.


The Formula

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Extremely inert and resistant to oxidation; maintains integrity across a wide range of pH levels and temperatures.

Synergies

  • Mineral UV filters (Zinc Oxide/Titanium Dioxide)
  • Organic UV filters
  • Inorganic pigments

Conflicts

  • Aluminum chlorohydrate

Safety

CIR Status
Safe as used
Max tested
90%
Pregnancy
Safe
Sensitization risk Low

Recognized by the CIR Expert Panel as non-sensitizing and non-irritating even at high usage levels.


Your Skin

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Valuable

An essential sensory and stability agent that provides a modern, sustainable alternative to silicones with proven barrier-support benefits.


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