Achieve your perfect, natural finish by buffing mineral powder onto your skin using circular motions with the soft, rounded Sigmax fibres. Benefits of Sigma Beauty F80 Air Flat Kabuki: Buffed powder foundation application Dense and rounded head Blend mineral products onto the skin Sheer to Medium with powder; Medium to Full with cream or liquid How to Use: Buff mineral powder onto your skin using the domed brush head in circular motions for a well-blended, natural-looking finish.