Lashliner.com coupons are promotional codes that can be used to get discounts when purchasing products from the Lashliner website. These codes offer a variety of deals, such as a percentage off the total purchase price or free shipping. For example, there are codes that provide up to 35% off on select items, 20% off eligible items, and free shipping on all orders. There are also competitor codes that can save up to $100 on makeup products. In addition, signing up for the Lashliner newsletter can provide exclusive benefits. Please note that these offers may vary and it's always a good idea to check the Lashliner website or coupon sites for the latest deals.