This Reddit User's Crazy Before-and-After Stretch Mark Photo Is Going Viral

dermaroller on blue background

 marcinm111 / Getty Images

Stretch marks are natural. They're so natural that I've heard everyone from my sister to my cousins to my friends—even acquaintances—complain about them. Even though there's nothing wrong or harmful about them, it's okay if you dislike their appearance. If that's the case, as it is for many of us, treating them can be frustrating. Despite the number of treatments, products, or tools you use, they may not disappear completely. That's why the story of one Reddit user is so surprising.

She goes by nct1234, and she made headlines after sharing a before-and-after photo on the social media site, showing the difference pre– and post–stretch mark treatment. You see, she treated one leg and not the other to gauge the efficacy of her treatment, and the results are astounding. Keep scrolling to see the photo, and learn how she made her stretch marks virtually vanish (and read about what happened when our editor tried the same thing).

Before and after stretch marks

As you can see, one leg has slight stretch mark lines running down the inner thigh. The other, though, is totally and completely smooth. Apparently, this contrast is due to one of our favorite beauty tools: a derma-roller. "Before & After," the post read. "Only used dermaroller on left thigh."

Derma-rollers (also known as micro-needlers) are tiny handheld devices that you roll across your skin. The head of the tool is covered with tiny needles that pierce the skin without pain or trauma to boost collagen, speed up cell turnover, and more. By creating micro-injuries on the skin, collagen production goes into overdrive, making derma-rolling an ideal method of filling in fine lines. Many people—like this writer—swear by derma-rolling for removing acne scars, under-eye bags, and even hyperpigmentation. (I use the StackedSkincare Micro-roller, $95). I just never knew the practice could all but make stretch marks vanish.

Before derma-rolling with a 1.5 mm roller, the Reddit user applied a hyaluronic acid serum. Derma-rolling helps products absorb deeper and more quickly, so using a serum is a must. Hyaluronic acid is a good choice, as the hydrating molecule can plump skin and speed wound healing (in fact, even without the use of a roller, hyaluronic acid has been found to help with the appearance of stretch marks). After rolling, the Reddit user waited two weeks before doing it again.

If attempting this at home, exercise caution and make sure to do research before undertaking the practice yourself (and be aware that side effects include pain and even bleeding, if you roll too hard). Smaller needle sizes are considered to be safer, and some experts recommend using one that is no larger than 0.3 millimeters. As for the actual practice, no pain should be inflicted. You might experience an uncomfortable or tingly sensation, but if you feel pain, you're pushing too hard. If you're not sure derma-rolling is right for you, see a professional before purchasing one.

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