18 gauge piercings are commonly used for: Earlobe piercings: The thin gauge is comfortable and offers many delicate jewelry options. Nostril piercings: It provides a subtle look that many prefer for this facial piercing. Helix piercings: Some prefer 18G for a more delicate appearance in the upper ear. Multiple ear piercings: It's popular for creating a curated ear look with multiple small studs. Lip piercings: Some lip piercings use 18G for a less intrusive feel. Eyebrow piercings: 18G can be used for a more subtle eyebrow piercing. Daith piercings: While 16G is common, some prefer 18G for a daintier look. 18G is generally chosen when a more delicate, subtle appearance is desired, or for piercings in thinner skin or cartilage.