Brand new in box Limited-edition tone-evening, line-smoothing serums duo features full sizes of Bye Bye Dark Spots Niacinamide Serum and Bye Bye Lines Hyaluronic Acid Serum Dermatologist-tested for safety and suitable for sensitive and dry skin types Delivers anti-aging skincare benefits including addressing the look of uneven skin tone and visible signs of aging like lack of firmness and the look of fine lines