Fashion Innovation

Sustainable Alternatives In The Underwear Market

Period Panties - Sustainable Alternative

Period panties can be the sustainable alternative that revolutionises the underwear market. Period products have seen a lot of change over the years. From sheep’s wool and wood pulp bandages to sanitary pads and tampons, technology has changed the way women deal with their periods. Today, it continues to transform with the invention of period panties.

What are period panties?

Period panties are absorbent underwears to be worn during your period. Made with an absorbent gusset, period panties are designed to stem the flow of menstrual blood during your cycle.

Period panties in their most basic form are nothing new. The concept of a ‘protective petticoat’ was first floated in the Sixties, and similar products followed suit. However, technological innovations in fabrics have changed the period underwear market hugely.




The period panties on today’s market are 100% leakproof and ultra-absorbent. They can typically hold several tablespoons of menstrual blood, more than a single tampon is capable of holding.

For women with a heavier flow, period panties can be worn with a tampon or pad as a back-up. But many women find them sufficient on their own. They’re comfortable, absorbent, and provide an affordable and sustainable alternative to typical period products.

How do period panties work?

Period panties are worn the same way as normal underwear. However, they contain a super-absorbent pad made of a cotton, spandex, and carbon blend.

Some leakproof underwear brands use special technology to strengthen this gusset. Knix’s Athletic Leakproof Bikini, for example, uses a patented Fresh Fix Technology to maintain freshness throughout the day.

Period Panties - Knix athletic leakproof bikini

Leakproof period panties are usually marketed as an alternative to the usual period products. Their absorbent gusset can hold more menstrual blood than a typical tampon and, as the name suggests, they are entirely leakproof.

Why use period panties?

Period panties have revolutionised the underwear market, offering women a range of benefits for menstrual management.

Period Panties Are Hygienic

The notion of wearing bloodied underwear all day might seem anathema to some. But period panties are actually very hygienic. Period panties are often made with an ultra-thin nylon and Lycra blend, so they fit seamlessly against the body like a second skin.

Period Panties - diverse women wearing white hygienic panties

The built-in liner is super-absorbent and capable of holding up to three tablespoons of blood, compared with a tampon’s capacity of a single tablespoon.

The liner is also made with quick-drying carbon cotton, which wicks moisture away (up to three times faster than regular cotton). This prevents any unpleasant dampness, as well as combating unhygienic breeding grounds of bacteria.




It also contains anti-microbial properties that expel odours and combat the growth of bacteria, so women can wear period panties and look, smell, and feel good.

Period Panties Are Affordable

Periods are expensive. The average woman will spend over £1700 on tampons over her lifetime. And that figure doesn’t account for inflation either. Period panties end the consumer’s reliance on tampons. They’re strong and washable, so a single pair can be reused time and again.

And because many period panties are made with a stretchy, elasticated fabric, such as Lycra, they are more impervious to the everyday wear-and-tear of normal underwear. They last longer, bucking the fast fashion trend and lessening its impact on the planet.

Period Panties Are Sustainable

There has been an increased focus on sustainability in recent years, affecting virtually every industry. The sanitary product industry is no exception.

More and more consumers demand sustainability from brands, and period panties provide an eco-friendly alternative to wasteful disposable menstrual products.

Period Panties - innovative and sustainable alternatives

Typical tampons take up to six months to decompose, not including the plastic applicator or packaging, which can take centuries to completely biodegrade. With more than 100 million women around the world, the impact of disposable tampons on the planet is huge.

Switching to period panties dramatically cuts that waste. A single pair can last for years, reducing the environmental damage significantly.




Period panties give women the freedom to manage their period on their own terms. Where women were previously reliant on finding and buying tampons or pads, period panties free them from this expensive and unsustainable cycle. Technological advances mean period underwear is no longer the breeding ground for bacteria they once were: they are hygienic, affordable, and sustainable — changing the period underwear market forever.



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