AVON POWER STAY FOUNDATION REVIEW: A MAKEUP COLLECTION THAT OFFERS A JUST-APPLIED-EFFECT ALL DAY LONG AVON’ S long-lasting line includes a high-performance matte lipstick and foundation that stands up to heat, sweat and humidity: Avon True Power Stay Foundation. I received the Foundation shades in Caramel, Spice and Walnut and I am the shade Walnut. …