Waste-free. Leak-free. Worry-free. Sustainable period care you can wear with confidence.
Your purchase is helping prevent single-use plastic.
Sustainable self-care. Period.
Light
Get through your period in comfort and style. This G-String provides light, leak-free protection for drips, discharge, and lighter flows.
Available in Light and Moderate
Period underwear that looks as good as it feels! With breathable, soft organic cotton, our Bikini Brief is stylish and leak-proof.
DiscoverScarlet Period Invisible Thong
Super Light
This barely-there thong stretches to your every move. Discreet and comfortable, perfect for light flow and spotting days.
Heavy
Our best-selling, full-coverage Boyshort is crafted with soft, breathable organic cotton and high absorbency for overnight and heavy flow days.
Scarlet Period High-Waisted Brief
Moderate
Wear-everywhere period undies to take you from day one to day dot of your cycle. Enjoy trusty full coverage on moderate flow days.
Scarlet Period Boyshort | 3-Pack + Laundry Bag
Heavy
Discover our top-selling Boyshorts, the ultimate worry-free and leak-proof solution for periods. Buy a 3-pack and score a free Laundry Bag.
Scarlet Period Bikini Brief | 3-Pack + Bag
Available in Light and Moderate
Upgrade your period routine with our organic cotton Bikini Brief 3-pack and be rewarded with a handy Laundry Delicates Bag for free!
DiscoverScarlet Period G-String | 3-Pack + Laundry Bag
Light
Dare to bare, period-proof with Scarlet Period G-String! With minimal bum coverage, it'll save you from pesky drips, discharge, and light flows.
DiscoverScarlet Period High-Waisted Brief | 3-Pack + Laundry Bag
Moderate
The perfect all-rounder for every day of your cycle. A comfy high-waisted brief with full coverage period protection for moderate flow days.
DiscoverScarlet Period Invisible Thong | 3-Pack + Bag
Super Light
Stylish and comfy, pull them out when your period is due (or getting lighter) and make pantyliners a thing of the past.
DiscoverModerate
Like bread and butter, the Moderate Days Bundle is a daily staple in your undies drawer. Flow or no flow, these high-performing styles feel just like regular bottoms.
Light
Otherwise known as The Cheeky Duo… after all, period undies don’t have to mean full coverage. Feel cute in buttery-soft, stretchy styles that cover a little less, so you can show a little more.
DiscoverLight
These barely-there bottoms are discreet (and damn cute if we say so ourselves). Perfect for the end of your flow, or on those just-in-case days.
DiscoverTreat your loved one to the gift of choice with a digital gift card to the value of your choosing. The gift of a cleaner future.
Scarlet Period Underwear Laundry Bag
A Must-Have for Delicate Care
Keep your period underwear, activewear, and lingerie safe on laundry day with our lightweight mesh Scarlet Laundry Bag.
Discover
