Color of the Month promotions offer a 10% discount on 10ml size Multi-Flex, 30ml size Multi-Flex, Diamond Pro Kits, Starter Kits, and Color Bundles in the respective color chosen for the month. Discount codes for the color are announced via social media, emails, and are on the homepage of the website. Discount codes MUST be entered at time of checkout. Luminary Nail Systems will not retroactively adjust order totals for any reason.