This article is also available in: Português Español

A survey conducted by OnBuy, published on Metro UK, concluded that 1 out of every 5 men don’t change underwear every day, while 1 out of every 20 men wears the same underwear at least five times. The survey was conducted with 2.790 people, and it indicated that 18 percent of women also wears the same panties more than once.

22 percent of men and 20 percent of women wear the same underwear if it doesn’t smell bad and 29 percent of men and 30 percent of women also wear it again it they notice that the underwear isn’t visibly dirty.

However, Dr. Nichola Cosgrove, a skin care specialist, tells Metro that it is important to wear the same underwear only once due to the bacteria in our genitals, which don’t cause any kind of problem as long as the person washes themselves regularly and changes underwear right after wearing it.

“Obviously bacteria transfers throughout the day onto our underwear, through natural sweating and also if you don’t clean yourself correctly or sufficiently after going to the toilet” – says Cosgrove “normal bodily secretions and just general faecal matter transfers from breaking gas”.

The founder and chief formulator of R10 Labs Skincare, Kal Bulbul, also talked to Metro and endorsed Cosgrove’s speech, saying that a “standard” bacterial number is excellent to health, but the lack of hygiene might end up increasing this number and becoming dangerous.

“Our body relies on beneficial microbes to help keep us healthy as well” – said Bulbul“When garments are in close contact with our skin, especially underwear, which is in constant close contact with our intimate areas, can end up harbouring pathogenic microbes which are harmful to human health (…) If the pathogenic microbes are in sufficiently high numbers, or our immune or microbiome is compromised, this can lead to microbial infections and causing various illnesses such as inflammation, abscesses, and urinary tract infections to name a few”.


According to Dr. Marcos Tobias, the key factors involved in the genesis of this disease are the precarious conditions of hygiene and education. In Brazil, the states of Maranhão and Piauí present one of the highest incidences of penile cancer in the world, what makes some of Brazilian urologists to be a worldwide reference in the treatment of this type of tumor.

However, since there are better hygiene and education conditions in the United States and in European countries, the incidence of this disease is considerably lower there. Also according to Dr. Marcos Tobias, researches estimate that between 30 percent and 70 percent of the cases are connected to the presence of the HPV virus. In this regard, a vaccination on young male individuals who had no contact with the subtypes that cause the disease could have an impact on the disease frequency in high-risk populations. Since the HPV vaccine has been implemented recently, this hypothesis is pending confirmation from future studies.


Guilherme Cury, from Moda Para Homens (Fashion For Men), gives a hint: “The best and most recommended way is to go back to the old times… When washing your underwear, use coconut soap or any other purer kind of soap (with no creaminess, colors and chemical products). Rub the underwear with your hands (using only your hands, don’t use brushes under any circumstances), rinse it and set it aside to dry. Do not put it into a dryer or leave it to dry in the bathroom, because it is not a well-ventilated room (which can cause it to smell bad)”, he says.

This article is also available in: Português Español

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Jornalista formado pela PUC do Rio de Janeiro, dedicou sua vida a falar sobre cultura nerd/geek. Gay desde que se entende por gente, sempre teve desejo de trabalhar com o público LGBT+ e crê que a informação é a a melhor arma contra qualquer tipo de "fobia"