THATDAY Blog
Practical tips about period underwear, period care and finding the right absorbency for your flow.
Does Period Underwear Really Work? We Tested It
We put period underwear to the test. A heavy day in white trousers, a whole period with a few pairs, and an honest look at when it might not work for you.
Period Underwear for Heavy Flow and What to Look For
Heavy days need a pair that can keep up. Here's what to look for in period underwear for heavy flow and how Ella, Kima and Lola compare.
How to Choose Period Underwear for Your Flow
Your period on day one isn't the same as on day five, so why would your underwear be? Here's how to read your flow and pick the pairs that fit your whole cycle.
Is Period Underwear Hygienic? Everything You Need to Know
Worried that reusable period underwear might not be hygienic? Here is an honest look at how it stays clean, why the fabrics are safe and how to keep it fresh.
Period Underwear vs Pads, Tampons and Menstrual Cups
Wondering how period underwear compares to pads, tampons and cups? Here is an honest look at comfort, protection, cost and waste so you can choose with confidence.
How to Wash Period Underwear the Right Way
Worried washing period underwear will be complicated? It’s simpler than you think. Here’s the easy routine for washing, drying and keeping your pairs fresh.
What Is Period Underwear and How Does It Work
Curious how a pair of underwear can hold your whole period without feeling wet? Here is what period underwear is, how the layers work and who it suits.


