L39oreal paris revitalift filler renew hyaluronic replumping serum is hight concentrated with hyaluronic acid with the innovative applicator that helps deliver the optimal daily dose of serum l39oreal paris revitalift filler renew hyaluronic replumping serum is designed to protect the formula from air and light so it remains in its purest state as you age your natural reserves diminish causing your face to lose plumpness and consequently skin loses its fullness and wrinkles deep