Get a Free 5ml Mini Now Free 5ml Mini With Every Order of The Mantle
Moumoujus

C18-26 OLEFIN.

Valuable / SKIN CONDITIONING

A highly stable hydrocarbon-based emollient that functions as a sophisticated texture enhancer and protective film-former. It provides a lightweight, non-greasy barrier that seals in moisture while significantly improving product spreadability.

Summary

skin conditioning emollient film forming viscosity controlling

Science

Mechanism of Action

C18-26 Olefin operates by forming a hydrophobic layer on the stratum corneum and hair shafts, effectively reducing trans-epidermal water loss (TEWL). This microscopic barrier provides 'slip' during application and smooths the skin surface without the heavy residue associated with traditional waxes.

Research

Clinical Evidence

High confidence
Effective range 1–15%
Optimal

5%

Key findings

  1. 01 In vivo 24-hour occlusive patch testing on animal models demonstrated zero irritation from the C18 component.
  2. 02 A Buehler sensitization study confirmed the ingredient as a non-sensitizer, indicating high biocompatibility.

Transparency

Dusting Analysis

Not commonly dusted
Min. effective
1%
Red flag below
0.1%

Because it is primarily used for texture and barrier formation rather than as an 'active' claim ingredient, it is rarely 'dusted' at negligible levels; however, concentrations below 1% may not provide noticeable emolliency.

The Formula

Formulation

Solubility
Oil
Optimal pH 3 – 10
0 7 14

Stability

Extremely stable due to its saturated-like hydrocarbon structure; resistant to oxidation and maintains integrity across high-heat processing and broad pH ranges.

Synergies

  • Mineral UV filters
  • Occlusive waxes
  • Silicone alternatives

Conflicts

  • Strong oxidizing agents

Safety

Safety Profile

CIR Status
Safe as used
Max tested
15%
Pregnancy
Safe
Sensitization risk Low

The CIR Expert Panel found the polyene group safe for use up to 15% in leave-on skincare and up to 25% in rinse-off applications.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

An excellent, inert emollient for creating elegant textures and maintaining skin barrier integrity across all skin types.

Related

Similar Ingredients

Finding similar ingredients…