Heptyl Undecylenate is a lightweight, plant-derived ester emollient formed from heptanol and undecylenic acid. It is valued for its excellent spreadability, silky non-greasy feel, and good skin compatibility. This clear, colorless to pale yellow liquid is widely used in facial serums, moisturizers, sunscreens, makeup, and hair care products as a natural alternative to silicones, providing elegant sensory properties and improved formula stability.
Products with HEPTYL UNDECYLENATE
LexFeel® SunLight MB
by Inolex
- Recently launched
- Sustainable option
What is HEPTYL UNDECYLENATE used for?
- Emollient / Skin conditioning: Delivers a light, silky, and non-oily after-feel. Frequently used in facial moisturizers, serums, and body lotions for smooth hydration.
- Solvent & dispersant: Helps dissolve and evenly distribute lipophilic actives and pigments. Ideal for sunscreens and color cosmetics.
- Texture enhancer: Improves spreadability and reduces tackiness in formulations. Common in light emulsions and makeup products for elegant application.
Origin
Heptyl Undecylenate is produced by the esterification of heptanol (derived from vegetable sources) with undecylenic acid (obtained from castor oil). It is a renewable, plant-based emollient suitable for natural and clean beauty formulations (COSMOS and ECOCERT compliant grades available).
What does HEPTYL UNDECYLENATE do in a formulation?
Safety Profile
Heptyl Undecylenate is considered safe for cosmetic use with a low hazard rating from EWG (1). The CIR Expert Panel has reviewed similar fatty acid esters as safe as used. It is non-irritating, non-sensitizing, and non-comedogenic. Well-tolerated across all skin types, including sensitive skin.
HEPTYL UNDECYLENATE alternatives
HEPTYL UNDECYLENATE technical profile
| Property | Values |
| Boiling Point | ~300°C |
| Melting Point | <0°C |
| pH | Neutral |
| Solubility | Insoluble in water; soluble in oils and esters |
| Viscosity | Low |
