The set contains four important expert treatments that preserve the youthful appearance of the face and eyes. Double Serum targets the visible signs of aging with extracts of 21 of some of the most effective plants. Double Serum Eye is targeted at the eye area. The Extra-Firming Day & Night duo, containing extract of regenerative kangaroo flower, tightens and plumps the skin, reduces the appearance of wrinkles and has an immediate calming effect. The complexion becomes more uniform and the skin acquires a beautiful glow. For ages 40+.