Pre-teen period underwear: menstrual panties for ages 10, 12, or 14

Puberty means the first menstrual cycles and first periods!

These physical and hormonal changes in a young girl’s life can be quite confusing. It’s important to be well-prepared and provide preteens with good hygiene protection: solutions that are reliable, comfortable, and discreet.

Because yes, our teens deserve safe, clean, and effective menstrual protection—no leaks, completely invisible, and with healthy ingredients.

So what should you choose? Tampons, pads, cups, or panties? Teen period panties are a simple, comfortable solution for light to heavy flows, thanks to their hypoallergenic materials and designs made for first periods.

Are you between 10 and 14 and looking for effective period underwear? Are you a concerned mom searching for the right menstrual lingerie for your daughter? This guide will help you choose the perfect style (period underwear for 12-year-olds, period underwear for 14-year-olds), depending on age, menstrual flow, and the specific needs of young girls.

The first period usually occurs between ages 10 and 14, often around 12 or 13, but it can definitely be a bit earlier or later.

Hormonally-driven menstrual cycles can be irregular and sometimes painful for several months before settling into a rhythm. So don’t worry at first if you notice irregular discharge.

Disposable products (tampons, pads, liners) dominate the market. They’re cheap and convenient, but they’re also polluting and made from ingredients that aren’t healthy or reassuring.

What’s the alternative to traditional pads? Period underwear or period panties, of course!

Eco-friendly, stylish, super absorbent, hygienic, safe—period underwear is a modern, practical, and on-trend alternative.

Reusable and washable, period underwear helps prevent unpleasant odors (thanks to breathable fabrics) and risks associated with chemicals (organic label, OEKO-TEX, etc.). Durable, it can be used for many years. Period panties are suitable for light to heavy flows, making them ideal for young people seeking comfort and freedom.

Teen period panties adapt to all menstrual flows thanks to their different absorbency levels:

• Light for light flows or for the beginning and end of your period,
• Medium for mid-cycle or for normal flow
• and Heavy for more intense flows or for secure overnight protection.

Each style meets specific needs. 

A very heavy flow may require more frequent changes. Choose a heavy flow model or combine it with extra protection if you feel safer that way. The absorbent materials provide reliable protection all day long.

You can go to class, do your PE lesson, and enjoy yourself without a second thought!

For pre-teens and teens, sizes XXS and XS are perfect. They correspond to age ranges 8-10 years (XXS) and 10-12 years (XS). Find your size based on your age and body type using our size guide.

At Louloucup, teens aren’t left out, with a range just for them. We offer some of our styles in XXS, made from stretchy fabric that hugs curves without being tight, for optimal comfort and maximum effectiveness. Truly perfect protection for our teens and preteens!

Organic cotton and bamboo are smart choices for sensitive skin. These natural, healthy materials are naturally antibacterial and breathable, reducing the risk of itching or irritation. Perfect for young girls with delicate skin.

Oeko-Tex and GOTS certifications guarantee the absence of harmful substances. Oeko-Tex checks the finished product, while GOTS ensures the fibers are organic (at least 70%). These standards offer extra safety for teenagers’ health.

Wear your underwear just like regular panties. Make sure it’s properly in place and adjusted.

Handle your day without worrying about leaks. The styles are designed to stay in place during classes, recess, and activities. Relax—your protection moves with you, no discomfort.

Once you get home, take it off and rinse it with cold water before washing it.

After use, rinse your underwear in cold water to remove any residue. Machine wash at a maximum of 86°F (30°C), ideally in a laundry bag. Avoid fabric softeners and greasy detergents that reduce absorbency.

Protect your lingerie’s absorbency by avoiding harsh products. Choose natural detergents. Air dry only—never tumble dry. With proper care, it will last for years.

Slip a waterproof pouch in your bag to discreetly store a spare pair of underwear and a used one. Choose models with separate compartments to avoid odors. It's practical for long days at school.

Pack a kit in your bag with two pairs of underwear (one clean, one spare), a waterproof pouch, and some tissues. You might also want to include some cleansing wipes. You’re all set for a full day at school without any surprises.

Choose a specific model for nighttime, reinforced for heavy flow. It covers the entire sensitive area and reduces the risk of leaks. Enjoy peaceful sleep without unexpected changes.

For a full day at school, choose underwear with the right level of absorbency. It protects you for up to 10 hours depending on your flow. Relax—you’re covered until the last bell rings.