What it is
Caprylyl glyceryl ether is a glycerin molecule etherified with a caprylyl (C8) chain, giving it both water-loving and oil-loving character. It conditions and helps moisturize skin and is also known for antimicrobial activity that can boost the efficiency of a preservative system. In sunscreens it is generally used at low levels to support skin feel and formula stability.
Safety & warnings
It is generally well tolerated at typical use levels and is commonly chosen as a gentle multifunctional additive. It is not a recognized fragrance allergen.
Origin & sourcing
It is produced synthetically by reacting glycerin with a caprylyl group; the fatty portion is typically of plant origin.
Questions everyone asks
What is caprylyl glyceryl ether used for?
It conditions and moisturizes skin and has antimicrobial properties that help support a product's preservative system, so it often serves a dual role in a formula.
Is it a preservative?
It is not classified as a standalone preservative, but its antimicrobial activity can boost the effectiveness of the main preservatives in a formula.