Emollient

Bixa Orellana Seed Oil

INCI: BIXA ORELLANA SEED OIL

Reviewed by Emma · Last updated 18 Aug 2026

Also known as: Bixa Orellana Seed Oil

A plant oil with emollient properties, sourced from annatto seeds

Best For Skin Types

Dry, Combination, Sensitive

Addresses

Dryness, Hydration

Effective Concentrations

<1%

Usage Frequency

Daily

What Is Bixa Orellana Seed Oil?

Bixa Orellana Seed Oil is extracted from the seeds of the annatto plant, native to South America. It is a lightweight plant oil rich in fatty acids and carotenoids, which give it a characteristic golden-orange colour.

In skincare formulations, it functions primarily as an emollient and skin conditioning agent, helping to soften and hydrate the skin barrier. It is used in a small proportion of skincare products, typically in concentrations below 1%.

How It Works

Bixa Orellana Seed Oil works by depositing a thin occlusive film on the skin's surface. This layer reduces transepidermal water loss (TEWL), allowing the skin to retain moisture more effectively.

The fatty acid profile of the oil also allows it to integrate into the skin barrier, potentially supporting overall barrier function and skin comfort.

Clinical Evidence & References

Dedicated clinical studies on Bixa Orellana Seed Oil in skincare are limited. The ingredient is primarily included based on its established emollient properties and traditional use in botanical skincare formulations.

Its carotenoid content suggests potential antioxidant activity, though robust human evidence specifically for this ingredient remains sparse. Further research would help clarify any additional skin benefits beyond basic conditioning.

How to Use

Bixa Orellana Seed Oil is typically found in leave-on formulations such as serums, oils, and moisturisers. As with all plant oils, start with small amounts and observe how your skin responds. It is often used daily as part of a broader skincare routine, though frequency should be adjusted based on your skin's tolerance and existing hydration level.

Safety & Precautions

Generally well-tolerated and recognised as safe for cosmetic use. Some individuals with fungal acne or yeast sensitivities may wish to patch-test, as plant oils can occasionally feed fungal growth in susceptible skin.

Frequently Asked Questions

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Part of a family

Bixa Orellana Seed Oil is a variant of Bixa Orellana Pulp Extract, the form you will most often see on an ingredients list.

A plant-derived extract traditionally used to condition and colour the skin

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