Scarlet Period Bikini Brief
Period underwear that looks as good as it feels! Our PFAS-free Period Bikini Brief is stylish and leak-proof with breathable, soft organic cotton.
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Fast-absorbing -
Leak-proof -
Comfy & Body-safe -
Machine washable
Everyday Period Undies That Feel Like, Well, Normal Undies
Today's schedule: gym, work, drinks, dinner, date. There's no time for stains and leaks.
Our Bikini Brief offers hours of leak-proof protection. Made with breathable and buttery soft organic cotton, it's period underwear that feels like you're wearing, well, regular underwear.
- Super soft GOTS Certified Organic Cotton
- Chemical treatment-free, including PFAS
- Available in two absorbencies
You have questions. We have answers.
How do they work?
Scarlet Period Underwear is designed to fit like normal underwear and features integrated leakproof technology with four layers:
1. Moisture-wicking for dryness.
2. High absorbency, holding up to 4 tampons of blood.
3. Leakproof fabrics for secure protection.
4. Breathable outer layer for discretion.
The built-in leak-proof technology works harder than disposables, meaning it holds more liquid and lasts for years, not hours. Loved by all, you can read some reviews.
Do I need to wear a cup, tampon, or pad too?
Depending on the absorbency level you choose and the heaviness of your flow, you can wear our period panties on their own or as backup protection along with a Period Cup or tampon.
What does the absorbency level mean?
Super Light: Holds up to 1 teaspoon, which is equal to less than one regular tampon. Think of it as a new-age panty liner, so it’s great for spotting, light leaks and discharge. Try: Invisible Thong
Light: Holds up to 3 teaspoons, which is equal to 2 regular tampons or one pad. This is for light days to save you from pesky drips, discharge, and lighter flows. Try: G-String or Bikini Brief in Light-Moderate
Moderate: Holds up to 5 teaspoons, which is equal to 3 regular tampons or 2 pads. Go for this on moderate days or as extra defence on heavy days with our Period Cup. Try: High-Waisted Brief or Bikini Brief in Moderate-Heavy
Heavy: Holds up to 7 teaspoons, which is equal to 4 regular tampons or 3 pads. Our heavy hitters are great to wear on their own, day or night. Try: Boyshort or Period Cup
How do I wash them?
After use, rinse them in cold water (we recommend in the shower) until they run clear. Then, machine wash in cold water with mild detergent (no bleach!). Try our Laundry Bag to safeguard them on laundry day. Then just hang out to dry (the sunnier the better) or tumble dry on low - that’s it!
TIP: If it’s your first wear, pop them in the washing machine with your next cold cycle - washing them before wearing activates their absorbency even more.
What is your 30-day risk-free trial?
We offer a 30-Day Risk-Free Trial for first-time shoppers for one pair of underwear. If you’re unsatisfied or have sizing concerns, email us at support@scarletperiod.com.
How do I pick the right size for me?
We get it — sizing for bottoms is anything but standardised. Which is why this size guide will help break it down for you. Make sure to check both our numeric and letter sizing so no confusion (ie. Our large is a 12).
When in doubt, feedback tells us better to size up. Still confused? You can also email us for help at support@scarletperiod.com.
Why buy a bundle?
Save money and stay prepared! With your period lasting between 3-8 days, a multipack ensures you have enough pairs to manage your cycle comfortably. Check out some of our best-selling sets.
How much money will I save?
By switching to Scarlet, you can save up to $1080 over five years compared to disposable pads and tampons. Not bad, huh!