Can you wear period undies swimming?

Period underwear has become a game-changer for menstrual care—comfortable, reusable, and discreet. But if you love swimming or plan to hit the pool or beach during your period, you might wonder: Can you wear period undies swimming? Let’s explore this common question.


What Are Period Undies?

Period undies are specially designed underwear with built-in absorbent layers that hold menstrual flow. They come in different absorbencies for light to heavy days and are made to replace or supplement pads and tampons.


Can You Swim in Period Undies?

Generally, Period Undies Are NOT Designed for Swimming

  • Period undies absorb menstrual blood but are not made to be waterproof like swimwear.

  • When submerged in water, they will absorb pool or ocean water, causing them to become heavy and lose absorbency.

  • Wearing period undies alone in the water can lead to leaks since they are not designed as a barrier against external water.


What Are Your Options for Swimming on Your Period?

1. Use Menstrual Swimwear

  • Specially designed period swimwear or menstrual swimsuits are waterproof and made to hold flow while swimming.

  • These provide the protection you need without absorbing water from the pool or sea.

2. Use Menstrual Cups or Tampons While Swimming

  • Menstrual cups and tampons are popular for swimming because they sit inside the body and prevent leaks.

  • They provide reliable protection without interfering with your swimwear.

3. Use Period Undies Before and After Swimming

  • You can wear period undies before you get into the water and after swimming as a comfortable, absorbent option on land.


Why Not Swim with Period Undies Alone?

  • Water dilutes the absorbency material, making them ineffective.

  • Pool or ocean water inside the underwear can cause discomfort or skin irritation.

  • They don’t offer waterproof protection against leaks during swimming.


Final Thoughts

Period undies are fantastic for everyday menstrual care but aren’t suitable for swimming alone. For water activities during your period, menstrual cups, tampons, or specially designed menstrual swimwear are your best options.


Looking for comfortable period underwear for your daily cycle? Check out Nyx Collection for a variety of styles and absorbencies.

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