Wearing a cross necklace is a symbol of faith and protection for many people. In Christian belief, the cross represents divine protection, strength, and guidance. While it may not physically block the evil eye, it can serve as a spiritual shield, reminding you of your faith and inner strength. If you believe in its power and wear it with intention, it can provide comfort and protection from negative energies. Some also combine the cross with other protective symbols, like the evil eye amulet, for added security.