Brassica Campestris/Aleurites Fordi Oil Copolymer

Brassica Campestris/Aleurites Fordi Oil Copolymer is a synthetic ingredient created by combining plant-derived oils—rapeseed (Brassica campestris) and Aleurites fordi oil—with polymer chemistry. This copolymer functions as a film-forming agent and skin conditioner, meaning it creates a protective layer on the skin surface whilst also softening and smoothing the skin barrier.It is relatively uncommon in skincare formulations, appearing in fewer than 0.1% of products. Its primary role is cosmetic rather than therapeutic: it helps formulations maintain their texture and stability whilst contri…

This ingredient works through two main mechanisms. First, the polymer component forms a thin, flexible film across the skin's surface, which acts as a gentle occlusive barrier to minimise transepidermal water loss. Second, the plant oil components condition and emolliate the skin, helping to smooth the skin's surface and reduce the appearance of rough texture.Because it is a copolymer rather than a pure oil, it provides conditioning benefits whilst being lighter and more compatible with a wider range of product formulations than standalone plant oils.

This ingredient is typically incorporated into formulations by manufacturers rather than used as a standalone product. When present in a serum, moisturiser, or treatment, use it as directed on the product label. It plays best with other hydrating or conditioning ingredients, so layering it with complementary actives is straightforward. No special application technique is required beyond standard skincare application methods.

This ingredient is generally well-tolerated and has a history of safe use in cosmetics. It is unlikely to cause irritation in most skin types, though those with known sensitivities to polymer-based ingredients should patch-test new formulations containing it.