I have very very weak nails as I'm on a lot of medication. They peel and flake away easily so a friend recommended me this product. I painted one coat on and then put some nail colour over (Nails Inc..), by Friday I noticed my nails are a lot stronger. Normally I can bend them and have to be careful when using my touch screen mobile, but today I noticed they are even stronger. This product makes a great base coat and strengthens your nails brilliantly. Using this and Nail Inc colour is my perfect combination. Highly recommend this product!