Are you puzzled about whether you should wear underwear under your swimwear? You’re not alone! This comprehensive guide dives into the pros and cons of adding an extra layer beneath your swimsuit, covering everything from comfort and hygiene to style tips and expert advice. Discover why most modern swimwear is designed to be worn solo, how to avoid visible panty lines, and when exceptions might apply. Packed with practical tips, answers to common questions, and links to the best resources and swimwear collections, this article will help you make the right choice for your next swim—so you can hit the water with confidence and comfort.