In 1931, a male doctor developed and patented the first applicator tampon — but when it comes to periods, not every idea that men have is the brightest.

A Kansas doctor seems to believe he's revolutionizing menstrual care with his new period product, but women across the internet are not entirely swayed by his sales pitch.

Currently called 'Feminine Hygiene Lip-Stick', the product invented by Dr. Dan Dopps works to seal up a woman's vagina during her period, allowing her to flush out menstrual blood only when she uses the toilet.

Maybe she's born with it... A Kansas chiropractor has invented a 'lipstick' for vaginas, which seal up labia during periods to block menstrual flow

Dr. Dopps, who is a chiropractor and not a gynecologist, is also the founder of Mensez Technologies, which developed and patented the product.

It's applicator is like lipstick, but not for the lips of the face. Users are meant to use it on the labia, where it acts as an adhesive to seal the labia together. This way, menstrual discharge is trapped inside.

The seal is broken — and menstrual discharge is released — when the woman urinates.

While unfamiliar feminine hygiene products often face some backlash at first, those who have come across Dr. Dopps' pitch seem mostly put off by the language he uses.

Our lips are sealed! The idea, which he has patented, has been met with some derision online

'Have you ever [woken] up with your lips stuck together? It didn't hurt and and was kind of fun. All you had to do was to wet your lips from the inside with saliva and they became unstuck,' his Facebook post explains.

He goes on to describe his invention as a 'safer solution' for controlling periods without menstrual cups, tampons, pads, or absorbent period underwear.

With a 'natural combination of amino acids and oil in a lipstick applicator', the product is applied to the 'lips downunder' — the doctor seems unable to write 'vagina' — and causes the lips to stick together strongly enough to prevent leakage.

'Urine instantly unsticks the labia and allows everything to wash out into the toilet,' he explains.

Inventive: Dr. Dopps explained that urine breaks the seal and allows everything to be flushed down the toilet

The product is not yet available in stores, but it's unclear if it will find a market, based on internet comments.

'This is absolutely ridiculous,' wrote one. 'This is just an absolute ridiculous idea trying to stop a woman's flow. He has absolutely no idea what he thinks he's doing. If this is even true.'

Others questioned the mechanics and effectiveness, especially for women who've already given birth to children and don't have strong pelvic muscles.

'But if the urine unsticks it...wouldn't the blood too?' asked one. Another asked: 'What about when you sneeze?'

'Make sure you don't sit anywhere warm or do any physical activity because sweat is wet,' added another.