The StriVectin Peptight Tightening Neck Serum Roller is formulated with ingredients such as glycerin, niacinamide, peptides, and panthenol to provide firming and moisturizing benefits for the neck area. With a 50ml volume, this white serum comes in a roller form for easy application. The product line peptight focuses on tightening the skin and smoothing neck lines, making it suitable for both men and women to use. Ideal for daily skincare routines, the serum has a period after opening of 12 months, ensuring freshness and effectiveness.