A high-purity synthetic hydrocarbon emollient that provides a silky, non-greasy feel while preventing transepidermal water loss. It serves as a stable, hypoallergenic alternative to traditional oils for maintaining skin barrier integrity.
- INCI Name:
- Hydrogenated Poly(C6-14 Olefin)
- Chemical/Scientific Name:
- C6-14-alkenes, homopolymers, hydrogenated
- Common Aliases:
- Hydrogenated C6-14 Olefin Polymers, Synthetic Squalane Alternative
| Category: | Softeners |
| Source Origin: | Synthetic |
| Comedogenic Rating: | 1 |
| Primary Industries: | Skincare, Color Cosmetics, Hair Care |
| Solubility: | Oil-soluble |
At a Glance: Properties & Effects
| Hydration/Moisture | |
| Texture Enhancement | |
| Barrier Repair | |
| Irritation Risk |
Primary Benefits:
- Creates a breathable, occlusive film that locks in moisture.
- Improves product spreadability and provides a “dry” silky finish.
- Remains chemically stable against oxidation and UV exposure.
- Softens the skin surface without the heaviness of traditional lipids.
Potential Risks:
- Minimal risk of irritation; generally considered inert and hypoallergenic.
Biological Action & Cosmetic Profile
Hydrogenated Poly(C6-14 Olefin) is a saturated hydrocarbon produced through the polymerization and subsequent hydrogenation of linear alpha-olefins. This chemical process eliminates double bonds, resulting in a highly stable molecule that is resistant to rancidity and oxidation. Unlike many natural botanical oils, this synthetic polymer does not degrade when exposed to heat or light, ensuring consistent performance in diverse formulations.On a structural level, this ingredient functions primarily as an occlusive emollient. Because of its lipophilic nature and molecular weight, it sits on the surface of the stratum corneum rather than penetrating deeply into the viable epidermis. This positioning allows it to fill the microscopic gaps between skin cells, instantly smoothing texture and forming a hydrophobic barrier. By mimicking the function of natural skin lipids, it significantly reduces transepidermal water loss (TEWL), which is essential for repairing a compromised skin barrier.The sensorial profile is often compared to Squalane due to its low viscosity and excellent slip. Formulators frequently utilize it to balance the “greasy” feel of heavier oils like Mineral Oil or Caprylic Capric Triglyceride. Its ability to disperse pigments uniformly makes it a staple in high-performance foundations and sunscreens, where it prevents streaking and ensures even application.
Broader Applications & Origins
In hair care, this polyolefin coats the hair shaft to seal in moisture and provide shine without the buildup associated with certain heavy silicones. It is particularly effective in “water-drop” creams and lightweight lotions where a sophisticated, elegant skin feel is required. Because it is synthetic and highly purified, it lacks the impurities often found in natural extracts, making it a preferred choice for dermatological products intended for sensitive or post-procedure skin.
Routine Integration
Synergies:
- Works optimally with humectants like Glycerin or Sodium Hyaluronate by sealing in the water they draw into the skin.
- Enhances the spreadability of sun filters like Zinc Oxide or Titanium Dioxide.
- Provides a stable base for oil-soluble antioxidants such as Tocopherol.
Conflicts:
- Universally compatible; no known clinical conflicts with common active substances.
Clinical Consensus & Safety
The Cosmetic Ingredient Review (CIR) Expert Panel has evaluated the safety of hydrogenated polyolefins, including the C6-14 chain length, and concluded they are safe for use in cosmetic formulations. Clinical assessments indicate that these polymers are non-sensitizing and non-irritating even at high concentrations. Because the molecules are chemically inert and too large to penetrate the skin barrier effectively, they pose no systemic toxicity risk. Dermatological testing consistently classifies this ingredient as low-comedogenic, making it suitable for acne-prone individuals who require moisture without pore-clogging potential.
Is Hydrogenated Poly(C6-14 Olefin) a silicone?
No, it is a synthetic hydrocarbon polymer, not a silicone. While it shares some sensory characteristics with Dimethicone, such as excellent slip and a smooth finish, its chemical structure and occlusive properties are distinct.
Is this ingredient safe for acne-prone skin?
Yes, it has a very low comedogenic rating (typically 1). It is much less likely to cause breakouts than many natural oils and provides a “dry” emolliency that does not feel heavy or suffocating on oily skin types.
Why is it used instead of natural plant oils?
Manufacturers choose this ingredient for its superior stability. Natural oils can oxidize and go rancid over time, potentially irritating the skin. Hydrogenated Poly(C6-14 Olefin) remains stable for years and is completely odorless and colorless.