Sigma Eye Shadow Base Kit - Bare The Sigma Beauty Bare Eye Shadow Base Kit contains a set of three eye shadow bases and one brush for a seamless application. The eye shadow bases are paraben-free and made with a blendable, smooth formula to achieve a pigmented and long-wearing effect. This set contains basic neutrals to enhance any look. Each eye shadow base features an exclusive anti-drying protectant lid. Includes the F70 brush for an effortless and smooth application.