The 5 S's after waxing are five activities you must avoid for 24-48 hours post-treatment to prevent irritation, infection, and ingrown hairs: no Sun, no Sweat, no Swimming, no Sex, and no Scrubbing. Following these aftercare rules is the difference between silky-smooth results and painful bumps. Here’s what each rule means and how to care for your skin after any waxing service.