Multiple celebrities endorse beauty products that help consumers achieve a youthful look. Fran Drescher’s primer is a fan-favorite, with a discounted price. Style Edit’s Instant Root Cover-Up Stick is a sweat- and rain-resistant solution that covers sparse areas. Sarah Jessica Parker and Eva Longoria's hair care secrets include a volumizing spray and a beauty powder. L'Oreal Paris Magic Root Cover Up is a popular gray hair concealer that has received numerous five-star ratings.