Enhance the wear and longevity of eye shadow and eye liner with the MAC Prep + Prime 24-Hour Eye Base; a long-wearing primer that increases makeups staying power.Gliding over skin, the universal formula dries quickly for an invisible finish, which is suitable for all skin types and skin tones. Once the primer has been absorbed by skin, eye makeup can be applied flawlessly, blending easily and seamlessly for a professional looking finish that looks freshly applied and vibrant for up to 24 hours. The primer helps to prevent eyeshadows from fading and creasing, as well as stopping eye liners smudging.Over 24 hours, the long wearing eye base helps makeup to stay held in place, remain true to colour and resist both sweat and humidity. Expect ultra-longwearing results.Dermatologist and ophthalmologist tested. Non-acnegenic. Suitable for all skin types.