Colloidal Silver Cures Everything by Sarah Charlotte Colloidal Silver Cures Everything Colloidal Silver is used for the following: acne, athletes foot, boils, burns, cold sores, conjunctivitis, cuts, deodorant, dermatitis, eczema, infections, mozzie and sandfly bites, nappy and tropical rashes, sores, staph, styes, sunspots, ulcers, warts and piercings.