Polyamide-1

Polyamide-1 is a synthetic polymer derived from petroleum-based sources. It belongs to the polyamide family of ingredients commonly used in cosmetic formulations for their film-forming properties.In skincare products, polyamide-1 functions primarily as a film-former, meaning it creates a thin, cohesive layer across the skin's surface. This physical barrier can help improve product feel, texture and adherence whilst potentially offering a smoothing effect to the complexion.

Polyamide-1 works by forming a continuous film across the skin's surface. Once applied, the polymer chains link together to create a lightweight, invisible coating that sits on top of the skin rather than penetrating it.This film-forming action can temporarily smooth minor surface irregularities and help other ingredients in the formula adhere more effectively to the skin, potentially improving product performance and longevity.

Polyamide-1 is typically used as a supporting ingredient within formulations rather than a star active, so there are no specific usage instructions. Apply products containing this ingredient as you would any other skincare step, following the individual product's guidance. Results are generally immediate and tactile rather than cumulative.

Polyamide-1 is generally well-tolerated and has a good safety history in cosmetics. It is not known to be a common irritant or allergen, though individual sensitivity is always possible.