Page Six may be compensated and/or receive an affiliate commission if you click or buy through our links. Featured pricing is subject to change. Lisa Ann Walter’s beauty knowledge is hardly elementary. In fact, when the 63-year-old actress started wearing Givenchy Prisma Libre Concealer on “Abbott Elementary,” fans hounded her makeup artist in search of her anti-aging secret. “People literally started writing to her saying, ‘What did Lisa do? What surgery did Lisa have? What have you been doing differently? She looks incredible and so much younger,'” Walter told NBC, shouting out her go-to glam pro, Jen Bennett. The luxe formula’s designed…
