If you’ve ever read this blog before, you know that I have sensitive skin – and also loooove Patricia Wexler’s products!  Dr. Wexler devoted much time and research into the development of her skin care line, which features MMPi technology.  In case you are not familiar, matrix metalloproteinases are enzymes that break down collagen in the skin.  As we age, we naturally increase our levels of matrix metalloproteinases – and hence lose precious collagen that keeps our skin normally firm and lustrous.  To that end, Dr.... read more