At a glance
- CAS number
- 60-33-3
- INCI name
- Linoleic Acid
- Function
- emollient, active, barrier repair, skin-conditioning
- Typical use level
- 0.1%–15%
- Solubility
- oil
CAS number and synonyms are sourced from PubChem. Function, usage levels, pH and compatibility are AI-assisted formulation guidance — verify against your supplier's technical data sheet and applicable regulations before use.
Also known as
Octadecadienoic Acid cis,cis-9,12-Octadecadienoic Acid Vitamin F LA 18:2 Fatty Acid
Compatibility
Works well with:
Niacinamide Retinol Ceramides Tocopherol Squalane Rosehip Oil
Linoleic acid is susceptible to oxidation due to its two double bonds; it should be paired with antioxidants such as tocopherol or rosemary extract to extend shelf life. It is generally compatible with most emollient and active systems but should be stored away from heat, light, and air. When formulating water-in-oil or oil-in-water emulsions, ensure proper emulsification since it is oil-soluble.
Formulation notes
Linoleic acid is an essential omega-6 polyunsaturated fatty acid found naturally in many plant oils, including rosehip, evening primrose, and safflower oil. It plays a critical role in reinforcing the skin's lipid barrier and is clinically associated with reducing hyperpigmentation by interfering with melanin synthesis. Formulators value it for dry and compromised skin formulations, though its high degree of unsaturation makes oxidative rancidity a key handling concern.
Frequently asked questions
What is Linoleic Acid?
Linoleic Acid is a emollient, active, barrier repair, skin-conditioning used in cosmetic and personal-care formulation. Typical use level is 0.1%–15%. It is oil-soluble.
What is Linoleic Acid used for?
Linoleic Acid is used as emollient, active, barrier repair, skin-conditioning in cosmetic and personal-care formulations.
What is the typical use level of Linoleic Acid?
Linoleic Acid is typically used at 0.1%–15% in the finished formulation. Always confirm against your supplier's technical data sheet.
What is the CAS number of Linoleic Acid?
The CAS registry number for Linoleic Acid is 60-33-3. Its INCI name is Linoleic Acid.
What ingredients are compatible with Linoleic Acid?
Linoleic Acid works well with Niacinamide, Retinol, Ceramides, Tocopherol, Squalane, Rosehip Oil.
Related ingredients
- Jojoba OilEmollient
- OctyldodecanolEmollient
- Rosehip Seed OilEmollient
- BakuchiolActive
- BisabololActive
- Ceramide NPActive