Borage Seed Oil Polyglyceryl-6 Esters

Borage seed oil polyglyceryl-6 esters is a modified form of borage seed oil, a natural oil extracted from the seeds of the borage plant (Borago officinalis). The oil is chemically modified through esterification with polyglycerols to create an ingredient that functions as both an emollient and an emulsifier in skincare formulations.In products, this ingredient helps to soften and condition the skin whilst also helping to blend oils and water-based components together. It appears in creams, serums, and other skincare preparations where a smooth texture and skin-conditioning benefit are desired.

The ingredient works through two main mechanisms. As an emollient, it forms a protective film on the skin's surface that helps to trap moisture and prevent water evaporation. The polyglyceryl modification makes it more compatible with both oil and water phases, allowing it to act as a mild emulsifier that stabilises formulations.Borage seed oil itself contains gamma-linolenic acid (GLA), an omega-6 fatty acid. Whether the modified ester form retains the same bioactive properties as unmodified borage oil is not fully established, though the skin-conditioning and moisturising benefits are wel…

This ingredient is typically found in leave-on products such as creams, serums, and balms. It is used passively as part of the formulation rather than requiring special application technique. Use as directed by the product instructions, which are usually daily or twice-daily application. If layering with other treatments, apply to clean skin before heavier oils or occlusives.

Generally well-tolerated and regarded as safe for cosmetic use across most skin types. Those with sensitivity to borage or polyglyceryl compounds should patch test first. Not recommended for those avoiding oils due to fungal acne concerns, as borage oil may feed certain fungal species.