luup learns from what you've already tried and tells you whether something new is likely to work for you before you buy it. Just add products you've used, rate them, and luup figures out your patterns. The more you add, the smarter it gets. What you can do: - Test a product before buying it - Paste or scan an ingredient list - Add ingredients you wish to avoid - Share products with friends so they can check if it suits them - See which ingredients keep showing up in your loved — and hated —…