This will mostly be about little details you can add here and there to add that extra bit of creature-ness to your merfolk costume. Most parts may involve latex parts so if you have a latex allergy, you may need to look into a silicone alternative or bodypaint. Gills There are several options for gills from simple make-up lines to full latex/silicone attachments. Latex Gills How to make Mermaid Gills (video) Waterproof Eyeliner Waterproof Bodypaint Gills are commonly placed on the cheeks, neck, or lower rib cage. Fin Ears Ear design can be taken in a few different directions. Again, prosthetic ears will be a common solution. However, you can also craft ears with a more "jewelry" ear cuff. Swimmable Ear Cuff ($) Latex Ears ($) Siren Ear Tutorial (video) If you are not doing a fish-related mercreature, you may just use elf ears. As you may have noticed from my links, my favorite brand is Aradani Studios . You can find other sellers of prosthetic ears on ot...
Budget and Beginner Friendly Costume Design