Ethylhexyl Isopalmitate

Ethylhexyl isopalmitate is a synthetic ester derived from isopalmitic acid and ethylhexyl alcohol. It functions as an emollient—a substance that fills gaps between skin cells and creates a protective film on the skin surface.In skincare formulations, it's used to improve texture, reduce transepidermal water loss, and enhance the feel of products. It's favoured in lighter formulations because it spreads easily without leaving a heavy residue.

Ethylhexyl isopalmitate works by penetrating the outer layers of skin and settling between corneocytes (dead skin cells). This fills microscopic gaps and creates a water-resistant film, reducing water loss whilst maintaining skin flexibility.Unlike heavier occlusive oils, its molecular structure allows it to spread thinly and dry down relatively quickly, making it suitable for use in lightweight serums, moisturisers, and sunscreens where a non-greasy feel is important.

This ingredient requires no special application instructions—it's formulated into products by manufacturers at appropriate levels. If you're using a product containing ethylhexyl isopalmitate and have fungal acne concerns, consider patch-testing first or consulting a dermatologist, as occlusive ingredients may not suit everyone's microbiome.

Ethylhexyl isopalmitate is generally well-tolerated and approved for use in cosmetics. It has low sensitising potential, though those with fungal acne may wish to exercise caution with heavily occlusive formulations.