Juglans Regia Seedcoat Extract

Juglans regia seedcoat extract is derived from the outer layer of English walnut seeds. It contains naturally occurring polyphenols and other plant compounds that function as antioxidants in skincare formulations.In products, this extract is used primarily for its antioxidant properties, which aim to neutralise free radicals that can accumulate on the skin from environmental exposure such as UV radiation and pollution.

The extract works by providing polyphenolic compounds that scavenge free radicals—unstable molecules produced by UV exposure, pollution, and other environmental factors. By neutralising these free radicals before they can damage skin cells, the ingredient aims to reduce oxidative stress.This type of antioxidant action is thought to support overall skin health and may help maintain the appearance of skin resilience, though the specific mechanisms in human skin remain incompletely characterised.

This ingredient is typically found in serums, moisturisers, and protective formulations. It works well as part of a broader antioxidant routine—for example, layered with vitamin C or niacinamide in the morning before sunscreen. Use as directed by the product formulation; no special activation or timing is required.

Juglans regia seedcoat extract is generally well-tolerated. Those with known tree nut sensitivity should check product labelling and patch test if concerned, though topical use carries lower risk than ingestion.