Reason behind the “bleach” patch on your underwear

The internet – along with the vast wealth of information it offers – serves as an incredibly valuable tool for more reasons than anyone can enumerate.

However, despite the seemingly endless benefits it provides to our everyday lives, it is arguably its role as an inexhaustible reservoir of shared knowledge that positions it as one of the greatest inventions of recent centuries.

There is no subject that you cannot research, no answer that is out of reach if you know where to search. Mysteries that would have remained unsolved for decades can now be unraveled with just a few clicks of a mouse and a few keystrokes.

Over the years, we have witnessed numerous old myths being debunked online, just as we have seen life hacks and useful tips become widely known, whereas they were once considered wisdom possessed by only a select few.

Have you ever pondered, for instance, why your underwear appears to have been marked by a bleach stain? If so, you are certainly not alone, as this question has been raised online by women in search of explanations.

And indeed, they found answers. It turns out that these discolorations have absolutely nothing to do with your washing machine (as some have speculated).

No, reports indicate that the true cause of these “bleach” spots is linked to the natural pH levels of the vagina.

Before we proceed, it is important to emphasize that there is no cause for concern regarding this matter. In fact, discovering the previously mentioned patches on your underwear is a positive indication.

As we understand, pH levels are responsible for determining the acidity or alkalinity of a particular liquid or substance. According to a useful post shared on Twitter:

“Now that everyone is informed, it is entirely normal to find lighter patches in a woman’s underwear or knickers due to the acidic properties of the vagina, which has a pH range of 3.8-4.5. Therefore, it is time to dismiss the idea that this is a sign of inadequate hygiene. In reality, a healthy vagina is one that can effectively bleach the fabric.”

@annrussell03 Reply to @echambers40 ♬ original sound – Ann Russell She/Her

Dr. Vanessa MacKay, affiliated with the Royal College of Obstetricians and Gynaecologists, states: “The vagina possesses a self-cleaning ability through its natural secretions. It harbors beneficial bacteria that help to safeguard it.”

According to the National Institutes of Health, the typical vaginal pH is between 3.8 and 5.0, indicating a moderately acidic environment compared to the neutral pH level of 7.

Dr. MacKay further notes that it is entirely normal and healthy for women to experience clear or white vaginal discharge, whereas disrupting this natural balance may result in infections.

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