Laura Mercier Mineral Powder SPF 15 is a finely milled powder composed completely of natural elements with 15 active amino acids to clear the skin of toxins, promote healthy skin cell growth and fight the aging process. Oil-free and water-resistent, Mineral Powder SPF 15 in Warm Bronze can be applied as a pigmented powder with shimmer for a glowing bronze finish. Use with the Blending Brush for flawless application.