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Scarlet Period The Discreet Days Set | with Leak-Proof G-String & Period Cup
Scarlet Period G-String | Leakproof, Light Absorbency, PFAS-free, Organic Cotton
Scarlet Period G-String | Leakproof, Light Absorbency, PFAS-free, Organic Cotton
Scarlet Period Reusable Period Cup | Available in two sizes and colours for up to 8 hours of leak-free protection.
Scarlet Period Reusable Period Cup | Available in two sizes and colours for up to 8 hours of leak-free protection.
Scarlet Light Flow Period G-String – Leak-Free, Comfortable Protection
Scarlet Light Flow Period G-String – Leak-Free, Comfortable Protection
Scarlet Period G-String provides light, leak-free protection for drips, discharge, and lighter flows.
Scarlet Period The Discreet Days Set | with Leak-Proof G-String & Period Cup
Scarlet Period G-String | Leakproof, Light Absorbency, PFAS-free, Organic Cotton
Scarlet Period G-String | Leakproof, Light Absorbency, PFAS-free, Organic Cotton
Scarlet Period Reusable Period Cup | Available in two sizes and colours for up to 8 hours of leak-free protection.
Scarlet Period Reusable Period Cup | Available in two sizes and colours for up to 8 hours of leak-free protection.
Scarlet Light Flow Period G-String – Leak-Free, Comfortable Protection
Scarlet Light Flow Period G-String – Leak-Free, Comfortable Protection
Scarlet Period G-String provides light, leak-free protection for drips, discharge, and lighter flows.

Discreet Days Set

No VPL. No waste. No compromise.

$38.00 $44.00

Zero VPL, zero fuss. The G-String for a no-show fit, plus the Period Cup for up to 8 hours of leak-free cover. Sleek and sorted.

    Comfy & Body-safe
    Save $$ with Sets
    Ultra-light, barely-there comfort
    Chemical-free (no PFAS!)
Scarlet Period G-String (Light) (Size)
Scarlet Period Reusable Period Cup (Size)
Scarlet Period Reusable Period Cup (Color)

This is the perfect combo for gym days, work wear, or nights out. Think of it as seamless everyday confidence.

✨ Ultra-Discreet Period G-String: It is invisible under clothes and has light absorbency for spotting and lighter days. It is made from GOTS-certified and PFAS-free materials for all-day comfort and peace of mind.

✨ Leak-Free Period Cup: Medical-grade silicone provides up to 8 hours of protection. Choose Regular or Large for a custom fit.

✨ Period G-String: Keep fresh by rinsing in cold water, machine washing cold (skip bleach and fabric softeners). Line dry for best results or tumble dry on low heat.

✨ Scarlet Period Cup: Includes a free Steriliser Case for easy cleaning and safe storage. Before first use, add water to the case, place the cup face down, and microwave for 1 minute. Let it cool before handling.

✨ Period G-String: 95% Organic Cotton, 5% Spandex, and a Polyester/PUL Quick Dry Gusset. Free from added chemical treatments, including PFAS (independently lab tested).

✨ Period Cup: 100% medical grade silicone.

✨ Fit Note: Our underwear runs on the slightly smaller side - if you're between sizes, size up.

✨ Teen-to-Adult Fit: Our sizing is unique - please refer to both the numerical (e.g. 10, 12) and letter sizing (e.g. M, L) in our guide.

✨ Australian Sizing: We use AU sizes - international customers, check our Size Guide.

✨ Still Unsure? Contact us for advice. We love a chat!

Did you know that over 12 billion pads and 7 billion tampons end up in landfills yearly? By choosing Scarlet, you're supporting a more sustainable future - where self-care and sustainability go hand in hand.

✨ High-Quality, Safe Fabrics: Made with care, free from PFAS and harmful chemicals, and independently lab-tested for your safety.

✨ Eco-Conscious Manufacturing: Crafted with a focus on quality and reducing environmental impact.

✨ Recyclable Packaging: Minimal waste for a cleaner world.

✨ 1% for the Planet: Scarlet is proud to contribute to environmental stewardship with every purchase.

Size Chart

Size chart for Discreet Days Set
Scarlet Period The Discreet Days Set | with Leak-Proof G-String & Period Cup

Discreet Days Set

$38.00 $44.00
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The Discreet Days Set is for when you want to feel like you’re wearing nothing at all (tight pants approved). Buy the set, save $9.

Your daily go-to, sorted

For when you want reliable protection without the bulk.
The Scarlet Cup handles the inside job, while the G-String has your back with soft, breathable backup and no VPL.

  • Super soft GOTS Certified Organic Cotton
  • Toxin-free, PFAS-free, and totally reusable
  • No leaks, no pads, no plastic waste
  • Perfect for everyday wear and moderate flow
BUY NOW

Your Questions, Answered

How do they work?

Scarlet Period Underwear is designed to fit like normal underwear and features multi-layered leak-proof technology that wicks away moisture, absorbs fluid, and contains it to keep you dry and protected. 

The built-in leak-proof technology is harder working than disposable pads which means it can safely hold more liquid and last for years not hours. Loved by all; you can read some reviews.

What does the absorbency level mean?

Super Light: Holds up to 1 teaspoon, equal to less than one regular tampon. Think of it as a new-age panty liner, great for spotting, light leaks and discharge. Try: Invisible Thong

Light: Holds up to 3 teaspoons, equal to 2 regular tampons or one pad. For light days, drips and discharge. Try: G-String or Bikini Brief in Light-Moderate

Moderate: Holds up to 5 teaspoons, equal to 3 regular tampons or 2 pads. For moderate days, or as extra defence on heavy days with our Period Cup. Try: High-Waist Brief or Bikini Brief in Moderate-Heavy

Heavy: Holds up to 7 teaspoons, equal to 4 regular tampons or 3 pads. Our heavy hitters are great worn 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.

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 is the Scarlet Period Cup?

It is a reusable period cup made of 100% soft medical-grade silicone. It is worn internally like a tampon but collects, rather than absorbs, your menstrual flow. 

As it has more than 2.5x the capacity of a regular tampon, you can safely wear it for up to 8 hours before emptying. The Scarlet Period Cup is designed for ultimate comfort. Once your cup is in place, you shouldn't feel a thing.

Click to read more about Period Cups.

How do I empty a period cup in a public bathroom?

We get asked this a lot. Take out your Scarlet Period Cup and empty it into the toilet. Our Cup & Hand Wash is a pH-balanced, low-foaming wash designed to clean your Scarlet Period Cup. Ensure that the holes at the side of the cup are clear before reinserting the cup. No mess, no fuss.
★★★★★

"This Aussie-based label is putting the cool into period knickers."

Refinery29

★★★★★

"A surefire way to make mindful, sustainable choices that are good for you and the world you live in."

STYLE magazine

★★★★★

"Scarlet takes the cake for the coolest period underwear brand."

LifeHacker

Real advice for real cycle days