Karine Joncas Collagen Lift Serum is an exceptional anti-wrinkle treatment designed to intensely target the appearance of deep wrinkles and expression lines. Highly concentrated in collagen and a powerful quartet of hyaluronic acids, this 4-in-1 serum provides superior firmness and an incredible tightening effect. It works to make the skin appear more supple, plumped, and rejuvenated. This high-performance formula deeply hydrates the skin while improving its elasticity and tone. For optimal results, apply 2 to 4 drops morning and evening to a clean face, eye contour, neck, and décolleté before any cream.