Why Does My Vagina Bleach My Underwear?

Ladies, have you ever spotted those bleached patches of colour on your dark-coloured panties and thought that there was something wrong with you? You may be surprised to know that it’s completely normal!

Your vagina produces a natural acidic discharge which, when exposed to air, can cause oxidation of the dye on your underwear. But this is actually a good thing.


As the vulva is naturally acidic, meaning that your discharge is more on the acidic side of the pH scale, this can cause it to interact with your underwear + laundry detergents during the washing process. This results in the bleaching or staining that we sometimes see on our panties – This information is a creation of the service specialists https://sexynudetwinks.com.

Don’t let it worry you though – vaginal discharge is completely normal. It helps to keep your vulva healthy and protected from bacterial infections, as well as aiding in conception by allowing sperm to enter the uterus.

It also helps you to urinate properly, as the acidity can help to break down the urea in your urine, making it easier for it to pass through the urinary tract. However, if your discharge has a strong or foul-smelling odour, isn’t clear or contains traces of blood, you should visit your doctor for advice.

If you’re finding that your underwear are getting more bleached or stained around certain times of the month, then try wearing a panty liner. This will absorb the discharge and reduce any stains from oxidation, allowing it to wash out more easily. Or, opt for a pair of period underwear that are more durable and will stand up to your heavy days of vaginal discharge. Rosaseven’s range of natural, organic and sustainable thongs and period underwear are designed to last for longer, and they’re made from high quality, ethically produced cotton that won’t be bleached or stained by your vulva discharge.

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Discharge is a mixture of fluid, dead skin cells and bacteria that serves two main purposes: it provides your vagina with natural lubrication and repels unhealthy bacteria. Its colour and consistency varies throughout the menstrual cycle, getting thicker in the days leading up to ovulation. Typically, it is white or clear in colour and slippery in texture, though it can also have a faint odour.

Vaginal discharge has a natural pH value of 3.8-4.5, which means it is acidic and can bleach dark-coloured underwear over time. The good news is that it’s completely normal for your underwear to bleach, so if you’ve noticed a few bleach-like spots in the crotch area of your pants or knickers, don’t worry!

A few months ago, TikTok user uhlissuhrose (Alyssa) opened up about her bleached WAP in a viral video that went viral, sparking thousands of comments from other women who also experience this. A Nigerian health expert has since confirmed that this bleaching of underwear is normal and that it is a good sign that your vagina is healthy.

However, it’s important to note that the amount of discharge that causes underwear to bleach can vary from person to person. The type of fibres in your underwear or period underwear can also impact this, with natural, like those found in Rosaseven, being more susceptible to bleaching than synthetics.

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Natural Fibres

The acidity in vaginal discharge can bleach some natural fibres, such as those found in knickers and period underwear. This can happen when the dyes used in the fabric come into contact with the acid and is not a cause for concern as the bleaching will not show until after the garment has been washed and the dye has been released.

Some women find that the color of their vulva and areas surrounding it are darker than the rest of their body, causing insecurities when it comes to intimate situations or even wearing certain lingerie and swimwear. For this reason, many people have turned to vaginal bleaching treatments, which is a safe and effective method of lightening the skin around the area.

When choosing a vaginal bleaching product, make sure you look for an active ingredient such as Kojic Acid, which is a chemical exfoliant derived from a type of fungus. This is typically a safer option than hydroquinone, which is often found in bleaching products and is banned in some countries.

Vaginal bleaching can also occur due to a number of things, including hormones, medications and various hair removal techniques like waxing or shaving. In these cases, it is important to make sure you use the proper technique for each, which should be done by a professional and not at home. It is also a good idea to avoid tight or ill-fitting undies that can chafe the area and cause hyperpigmentation.

Synthetic Fibres

As the vaginal discharge oxidises it can bleach (lighten) or discolour your panties, this is especially true for darker coloured garments. The more natural the fibres in your underwear & period underwear the better, as it will bleach them less (e.g Rosaseven knickers & underwear) as opposed to synthetic fabrics (e.g polyester – Polyethylene terephthalate or PET, which is made from petroleum and fossil fuels).

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The good news is that this bleaching effect is completely normal. It is the result of a healthy vagina that has an acidic pH level due to the lactobacilli present in the vulva. This is necessary to keep the vulva healthy and to protect it from infection. This acidity can fluctuate during the menstrual cycle, during pregnancy and with certain medications.

It is also a crucial part of the conception process as it helps to enable sperm to enter the uterus and fertilise an egg. The only thing that may be cause for concern is if the acidity levels become unbalanced and lead to symptoms such as a fishy odour, itching, or bleeding during urination. If this happens, we recommend a visit to your gynecologist. They will be able to diagnose the problem and prescribe an appropriate treatment. Alternatively, it could be an indication of another health issue such as bacterial vaginosis.

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