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★★★★★

“Pair [rae] with Scarlet’s leak-proof undies with a built-in pouch, and you’ve got a period-care revolution on your hands.”

Sitchu

★★★★★

“rae’s cool factor doesn’t stop at just being cordless - it slides discreetly under clothes without any noticeable lumps.”

Women Love Tech

★★★★★

“Comfortable, full coverage, and, most importantly, leak-free. A bonus: [they] are machine washable.”

NEWS

Your Questions, Answered

Umm, what is rae?

rae is THE heat pad that’s here to go with your flow. Designed in Australia, rae is slim, soft, and curved for extra comfort. With three heat settings and flexible wings that hug your body, it’s USB-rechargeable, splash-proof, and fits right into our custom period undies pouch.

Can I use the undies without rae?

We’re not here for rules, so you do you boo! They do have additional fabric for the pocket at the front so if not using with rae, you might prefer our Bikini Brief or High-Waisted Brief.

Can I use rae without the undies?

rae is designed to get hot, so we do recommend using rae with them or otherwise over your undies. If using directly on the skin, start at the lowest setting and monitor your comfort.

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.

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.

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

The Secret to Better Periods

Scarlet Period Bikini Brief - Available in Light & Moderate

Period Undies

Built-in period tech wicks away moisture to keep you dry and comfy.

Read More
Scarlet Period Cups offer 8 hours of freedom

Period Cups

The ultimate guide to folding, inserting, and removing your Period Cup.

Learn More
Scarlet Period High-Waisted Swim Bikini Brief | Light Absorbency, flattering high waist

Period Swim

Period Swim stops your flow from going out and water getting in. genius, huh!

Read More
Scarlet Period rae Heat Pad: Designed in Australia, built for period pain.

Period Heat

Meet rae, the self-care device created heat on the go and go with your flow.

Learn More

Customer Reviews

Based on 38 reviews
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N
Nicole A
High Waist Pocket Brief and Rae heat pad

I ordered the pocket briefs to go with my Rae. They are very comfortable and feel secure. I have an extremely heavy flow and these briefs kept me protected all day. I would love a slightly less deep pocket so that the Rae sits higher towards my abdomen, but I do feel that it is secure within the deep pocket. The Rae itself is very warm, intuitive to use, has a long-lasting battery and is soooo soothing. The briefs create a bit of a VPL on my cheeks at the back but this is only makes them slightly short of perfection. COMFORTABLE, secure and good to know that PFAs aren't used. I plan to buy more pocket briefs now that I know these are true to size.
Highly recommended 👌

K
Kara Jane
VERY SMART!

VERY SMART! Goes with rae. I do hope they bring out normal undies with the pocket as would like to use the heat pad without the period undies.

F
Felicity
Clever design

The description is accurate; these undies are very absorbent, don't leak and perfectly fit the Rae heat pad in the pocket.

J
Jasmine
SO AMAZING

I have been recommending this to everyoneeee! The heat pad is so easy and comfortable to use! Not only this but Jo the owner is a genuinely nice person just wanting to help us girls in pain! She’s so lovely!! The period undies are also the most comfortable period undies I’ve owned and they come with the pouch for the heat pad! But you can still use the heat pad without the undies, I just put it in my waist band. I use this everyday to keep me warm at work aswell as the days I’m on my period!

M
Mia Moo
LOVE

Love a small business - next level service! Great prod.

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