Frequently asked questions

What is your shipping policy?

We offer free standard shipping on all orders over $49 USD. Under $49 purchase, $9 flat shipping fee will be charged. We process and ship out all orders Monday through Friday, not including holidays. Orders are fulfilled and shipped out the next business day, between Monday through Friday, not including holidays.Orders with standard shipping take approximately 3-5 business days from the time it ships to arrive at its final destination. Orders with expedited shipping take approximately 1-3 business days.

Where do you ship?

We ship only within the US, including Alaska and Hawaii. We do not ship internationally at this time.

Can I return for a refund or exchange?

For hygienic reasons, Cyclean USA does not accept exchanges or returns for opened or used products. Returns may only be accepted for unopened boxes of unused product within 30 days of purchase.
If you receive a damaged or wrong item, please email with your order number, full name and an image of the damaged or wrong item and we will be more than happy to help resolve the issue for you.

What type of payment is accepted?

We accept all major credit cards and PayPal.

How do Cyclean work?

Cyclean are underwear for women and teen girls that absorb your period. Every pair is made with certified organic cotton and bamboo fabric and our technology that's moisture wicking, odor-controlling, super-absorbent, skin-friendly and leak-resistant. Take a look at our How it Works page to learn more.

How much fluid can Cyclean hold?

Cyclean hiphugger can hold up to 2~3 regular tampons’. We recommend trying Cyclean for the first time at home so you can see how they best work for you.

How do I pick the right size?

Use our size guide to figure out your hip and waist measurements, and which size Cyclean will be best for you. We recommend you to pick by your jean/pants size, not by your underwear size.

Are Cyclean a replacement for my current period routine?

Cyclean can replace liners, pads, tampons, and cups, or be worn with tampons or cups for extra protection depending on your flow. We recommend you to try Cyclean at home first to see what routine works best for you.

Where are Cyclean manufactured?

Cyclean are designed and ethically made in Korea.

Are they Organic Cotton?

Cyclean are made with organic cotton that are reliable, high-quality cotton material certified by the global organic certification organizations GOTS and OCS.

More questions?

Email us at

What is benefits of bamboo fabric?

Bamboo fabric is antibacterial, highly moisture absorbent, and hypoallergenic. It is one of the softest fabric on the planet that you'll love the way it feels and the most eco-friendly fabric on the planet.