MD Lash & Brow Amplifying Serum is a powerful peptide-infused treatment that nourishes and conditions lashes and brows, and helps promote healthier, long-looking lashes and fuller-looking brows in just 4 to 6 weeks. Clinical tests show an average improvement of 46% in 6 weeks. Easy to use, dries clear and safe to use with lash extensions. MD’s patented delivery system provides higher encapsulation of ingredients and improved absorption for better permeation and maximum results. The MD Measureable Difference range is manufactured in the United States to the highest international standards so you know they’re safe and effective – and they’re very competitively priced!