"I suffered cosmetic burns from perfume and had blistered skin on my neck late last year. One blister wouldn't heal and kept weeping and an ulcer formed. I used the colloidal silver spray on it a few times a day and started to notice an improvement after four days. I continued to treat it for two weeks and by then it had completely healed and the swelling had gone down. I also find this spray invaluable for treating insect bites as it heals them quickly and takes the 'itch' away. Thank you Active Silver, I cannot praise this product highly enough!"