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Mineral Undies Questions

Can I order a mixed pack? Yes you can! Once you've added your pack to your cart, please add the details of your mixed pack (mixed styles, colours or sizes) in the "special instructions" box.

What is the lining fabric made of? Our lining fabric is a blend of Lyocell (brand name is known as Tencel) which comes from Eucalyptus trees. It is also produced in a sustainable closed-loop process with a 99.5% solvent recovery rate. Lyocell is completely biodegradable. Our special blend has a small amount of pharmaceutical grade Zinc Oxide permanently embedded into the fibers.

What does the Zinc Oxide do? The permanently embedded Zinc Oxide improves the fibers' resistance to odor and infection-causing bacteria, which grow abundantly in synthetic fibers. 

Can I wear Mineral Undies if I have a Zinc Oxide allergy? No, you should not wear our Mineral Undies if you have an allergy to Zinc Oxide.

Will the Zinc Oxide Mineral Undies cure my yeast infection? No, our Mineral Undies are not meant to cure or prescribe vaginal infections. If you are currently experiencing a vaginal infection such as a yeast infection or UTI, we recommend speaking with your physician. 

How long does the Zinc Oxide last for? The Zinc Oxide has been tested and its efficacy is proven up to 100+ laundry cycles.

What is the recommended wash instructions? Our natural and zinc-infused fibers are more sensitive to being damaged by tumble drying. We recommended washing with like colors in cold water on a gentle cycle, and hanging or laying flat to dry. 

What is the shell fabric made of? Our shell fabric is made of Modal, a soft, breathable fiber that is produced from beech trees. It is produced in a closed-loop with a high solvent recovery rate, and the small disposed amount is considered non-hazardous. 

Will you be making new styles soon? Yes! We are working on new styles and expanding our product line. Follow us on Instagram @wearhuha for the latest news and insights!

Where are Mineral Undies manufactured? Our factory is specialized in underwear manufacturing and is located about an hour outside of Hong Kong. We chose to partner with our factory because of their highly specialized knowledge of intimates and their ability to achieve super comfortable seams to protect your most sensitive areas.  

Where does the fabric come from? Our custom lining fabric is manufactured with a specialized mill in Taiwan that has plenty of experience working with our Zinc Oxide infused fibers. 

Shipping Questions 

Where do you ship? We are currently shipping to the following countries: Canada, US, Europe, UK, Australia, New Zealand, Mexico, and Singapore. If you'd like to request special shipping to a country outside the list, please send us your shipping address to and we'll see if we can make it happen!

How much does shipping cost? We offer free shipping to the United States and Canada. Shipping to other countries will be calculated at checkout. 

How long does it take to ship my order? All orders are generally processed in 2-3 business days and then shipped out to you. Please notify us of any changes to your shipping details within 24 hours.

Do you ship outside the US and Canada? Yes, we ship internationally. However, international orders do not include import duties, taxes, or shipping costs. We recommend checking with your country's customs office to determine if you will be charged customs upon delivery.

Returns and Exchanges Questions

What is your return/exchange policy? We offer exchanges on unworn, unwashed items with original packaging within 7 days of delivery of your order. Because of the nature of our products, we cannot offer exchanges on product that has been removed from its packaging.

How do I exchange my item(s)? If you would like to exchange your item(s) for a different size, color or style, please email us at

Have a question that's not listed? Get in touch with us at