Explore 25 alien makeup ideas that range from simple and easy looks to stunning artistic styles. Perfect for Halloween, costume parties, and raves, these ideas include tutorials for pretty, futuristic, and SFX designs. Featuring colors like blue, green, purple, silver, and metallic, create eye-catching and aesthetic looks with prosthetics, glitter, rhinestones, and special effects. Whether you're aiming for a dark, editorial style or a fun Toy Story-inspired look, these alien makeup ideas…