Before there was Neosporin, there was Merthiolate — a household staple that burned like betrayal and stained your skin like a bad decision. This mercury-based antiseptic, known formally as Tincture of Merthiolate (Thimerosal), was the go-to solution for every skinned knee, scraped elbow, and parental overreaction in mid-century America. 🔥 Fun Facts and Mild Nightmares: […]