The Circle 1 brush is designed to be used with liquid, cream or powder products such as: Lip color Eyeshadow Eyebrow color Highlight Concealer Skincare products The Elite Collection handles use paired elliptical/oval shapes with an oval fibre bundle that mimics areas and shapes of the face. The double oval design and unique bundle orientation is exclusively patented by Artis, and CosmeFibre® is trademarked. As we are currently exploring more sustainable packaging, your item may include packaging alternatives to help decrease our carbon footprint.