PUR Shake Boost Powder-to-Cream Multivitamin Booster 0.17 oz - New In Box PUR Cosmetics Shake Boost helps to improve the appearance of fine lines, dark spots, and an uneven complexion when added to your favorite complexion and skincare products. Benefits: Minimizes the look of pores Improves the appearance of fine lines, dark spots and an uneven complexion Featuring vitamins B and C Directions: Wear daily alone or mix in with your favorite PÜR moisturizer, serum, foundation or concealer and apply to skin to clean, dry skin. Shake a small amount of product onto your fingertips or into the palm of your hand. Add your other skincare or makeup products and blend together with fingertips until smooth.