Cosmetics originated in ancient Egypt, where kohl was used not just for aesthetics but also for eye protection, filtering out the harsh sunlight. Intriguingly, lipstick, dating back to 3500 BCE, was a status symbol with ingredients like gemstones. Today, advancements have created color-changing lipsticks, which adjust to skin's pH, revealing a personalized shade. Share if you've encountered a unique cosmetic innovation or if historical beauty customs pique your interest! ?