Based on this product's specifications, here are some alternatives and similar models
Nail care Constance Carroll SOS Nail Rebuilder 10 ml – nail treatment serum
Summary description:
Constance Carroll SOS Nail Rebuilder is a 10 ml nail treatment serum designed to rebuild and strengthen natural nails. The formula targets weak, brittle or damaged nails, providing a concentrated care product for regular use on individual nails. Suitable for at-home nail repair routines and as a preparatory treatment before manicures to improve nail resilience.