emollients

Borago Officinalis Seed Oil

Borago Officinalis Seed Oil (Borage)

emollientconditioningskin protectant

INCI Name

Borago Officinalis S...

Functions

3 Roles

Sustainability

8/10

Category

emollients

What It Does

Borago officinalis seed oil, commonly known as borage or starflower oil, is cold-pressed from the seeds of the borage plant and is notable for containing the highest known plant-based concentration of gamma-linolenic acid (GLA), typically ranging from 20–26%. This exceptionally high GLA content makes it a highly sought-after ingredient for formulations targeting dry, sensitive, or compromised skin conditions such as eczema, psoriasis, and rosacea, as GLA plays a critical role in maintaining the skin's lipid barrier and modulating inflammatory responses. Formulators often blend it with more stable carrier oils at concentrations of 5–20% due to its relatively short shelf life and susceptibility to oxidation, frequently pairing it with antioxidants like vitamin E to extend stability.

Softens and smooths skin texture
Creates protective moisture barrier
Improves product feel and glide
Reduces transepidermal water loss

Technical Properties

Ionic Charge

nonionic

Molecular charge type

Viscosity Effect

neutral

Impact on formula thickness

Foaming Ability

none

Lather generation

Ingredient Compatibility

Works Well With

other plant oils and esterswaxesemulsifiersantioxidantsfat-soluble vitaminssiliconesnonionic surfactants

Avoid Combining

strong oxidizing agentshigh concentrations of transition metal ions
Compatibility analysis powered by OpenMix — open-source formulation science

Sustainability Profile

Sustainability Score

8/10

Biodegradability

readily biodegradable

Source

plant-derived

Feedstock

Seeds of Borago officinalis (borage/starflower), an annual herb native to the Mediterranean region

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