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Can Weight Loss Cause Stretch Marks? Here’s What You Need to Know

Updated: May 6

Close-up of a woman’s midsection showing natural stretch marks on the stomach and hip, symbolizing body changes and skin texture during weight loss.

Stretch marks are often associated with weight gain or pregnancy—but did you know that they can also appear during weight loss? While they’re completely normal and nothing to be ashamed of, stretch marks can feel frustrating, especially when they show up just as you’re making progress on your health journey. If you’re noticing new marks on your skin after shedding pounds, you’re not alone—and there’s a reason behind it. Let’s unpack how and why stretch marks can appear during weight loss, and what you can do to support your skin as it adjusts.


What Are Stretch Marks, Exactly?

Stretch marks (medically known as striae) are small, indented streaks that form when the skin stretches or contracts too quickly. They typically show up as red, purple, or silvery lines on areas like the stomach, thighs, hips, and arms. Over time, they often fade but may not disappear completely (Mayo Clinic, 2023).


So, Can Losing Weight Cause Stretch Marks?

Yes, especially if the weight loss happens rapidly.

Our skin is elastic, but when the body shrinks faster than the skin can adjust, the underlying collagen and elastin fibers can tear, leaving marks. This is particularly common after dramatic weight changes, intense dieting, or post-surgery weight loss.

It is important to note that some people are genetically more prone to stretch marks, regardless of how quickly or slowly they lose weight (Healthline, Cobb, 2023).


Other Factors That May Contribute to Stress Marks Include:

  • Low hydration or poor skin nutrition during weight loss

  • Hormonal changes that affect skin elasticity (e.g., cortisol, estrogen)

  • Rapid muscle gain (e.g., from intense strength training)

  • Skin already affected by previous stretching during weight gain or pregnancy

(Mayo Clinic, 2023).


How to Support Your Skin While Losing Weight

While there’s no guaranteed way to prevent stretch marks, there are things you can do to support your skin’s health and elasticity:

  1. Hydration: Drink plenty of water throughout the day, and moisturize regularly using body oils or creams rich in ingredients like shea butter, vitamin E, or hyaluronic acid.

  2. Lose Weight Gradually: Slow, sustainable weight loss gives your skin more time to adapt to changes. Extreme or crash diets can not only stress your body—they’re more likely to lead to loose skin and stretch marks.

  3. Eat Skin-Supportive Nutrients: Protein, vitamin C, zinc, and healthy fats help build collagen and keep your skin resilient. Whole foods like berries, nuts, leafy greens, and fatty fish support skin from the inside out

  4. Consider Gentle Body Treatments: Dry brushing, warm oil massage, and exfoliating scrubs can improve circulation and texture. These may not erase stretch marks, but can help your skin feel smoother and more vibrant.

  5. Be Patient—and Kind to Yourself: Stretch marks are incredibly common and affect people of all shapes and sizes. They don’t mean you’re doing anything wrong—they’re simply a sign that your body is adapting.

    (Healthline, Cobb, 2025).


Weight loss is a powerful act of self-care, but it can come with changes we don’t always expect. Stretch marks are one of them. The good news? They often fade with time, and they never define your progress.


Sources

  1. Cobb, C. (2025). How to prevent stretch marks. Healthline. https://www.healthline.com/health/how-to-prevent-stretch-marks

  2. Cobb, C. (2023). Can you get stretch marks from losing weight? Healthline. https://www.healthline.com/health/weight-loss/can-you-get-stretch-marks-from-losing-weight

  3. Mayo Clinic Staff. (n.d.). Stretch marks (striae) – Symptoms and causes. Mayo Clinic. https://www.mayoclinic.org/diseases-conditions/stretch-marks/symptoms-causes/syc-20351139


 
 
 

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