La Groovy – Leakproof Period Underwear – Invisible Line – Black

A leakproof period Tanga is an ultra-thin absorbent panty that looks just like a regular thong, but with a built-in absorbent gusset.

Inside, unlike a classic period underwear, this tanga has a leakproof contour specially designed for very fluid liquids, like light bladder leaks.

It replaces disposable pantyliners for light periods, spotting, discharge, and small urinary leaks. It’s a washable, reusable absorbent thong: you wear it all day, wash it, and wear it again just like any other underwear… with the bonus of discreet protection.

Inside, unlike classic period underwear, it features a leakproof contour specifically designed for very fluid liquids, like light bladder leaks.

Light, sudden leaks (when coughing, laughing, jumping or dancing)

The beginning and end of your period

Ovulation spotting or light everyday discharge

For moderate to heavy incontinence or larger amounts of urine, it’s best to choose thicker, more full-coverage absorbent underwear.

The leakproof period thong is designed for light flow, generally equivalent to about 1 tampon or 1 pantyliner.

It’s ideal for:

The beginning and end of your period

Light bladder leaks

Ovulation spotting

Everyday discharge

If you have a heavy flow, this thong is perfect as extra protection (worn over a tampon or menstrual cup), but not as your only protection for the whole day.

Yes, but not on its own.

In case of a very heavy flow, the thong is better used:

As a backup to internal protection (tampon, cup)

As a “safety net” to avoid stains on your clothes

On its own, it replaces all those disposable pantyliners we tend to use throughout the day along with our internal protection.

You can also wear it on its own toward the end of your period, when your flow is lighter… or even outside your period, because this thong is so thin and beautiful it feels just like regular lingerie :)

No, the leakproof thong is ultra-thin: the absorbent area is made of several fine layers, with no “diaper” feel.

It’s seamless, smooth on the skin, and invisible under leggings, tights or a fitted dress.

It’s a very thin leakproof thong, designed to stay… our little secret.

The thong’s absorbent area is made of several OEKO-TEX® certified, PFAS-free textile layers:

A first soft, breathable layer in organic cotton, against the skin, that lets liquid pass through while keeping a dry feel.

Beneath that, one or more absorbent layers in organic cotton and hemp, which hold blood or urine.

Finally, a waterproof yet breathable layer, also PFAS-free, that forms the absorbent gusset and prevents leaks from reaching your clothes.

This thong also features an extra leakproof contour, for added protection against more liquid leaks, such as certain light bladder leaks.

Yes, this thong is suitable for light everyday bladder leaks.
Just keep in mind that urine is more fluid than blood and is absorbed more quickly by fabrics, that’s why our thong features an extra leakproof contour.
The cut remains very thin and minimal, so it’s ideal for small accidental leaks when you laugh, dance, run or jump.
However, if your bladder leaks are more abundant, we recommend choosing thicker, more full-coverage absorbent underwear instead.