This tightening trio is recommended for those who are experiencing a loss of firmness or elasticity. The combination of these three products will visibly correct sagging, thin and wrinkled skin. Kit Includes : StriVectin- SD Intensive Concentrate, 1oz - Formulated with a proprietary complex of 8% NIA-114 and Peptide Actives, this formula is clinically proven to improve the appearance of wrinkles and stretch marks in 2-8 weeks. Tightening Neck Cream, 1oz - A rich, restorative cream that helps restores firmness, shape and dimension. The neck regains lift and contour in as little as 8 weeks. Tig.