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What Causes Stretch Marks On Your Armpits?

What Causes Stretch Marks On Your Armpits

When you think of stretch marks, the first thoughts that pop into your mind are likely ones related to pregnancy. But these are not the only stretch marks that affect people, both women and men. 

Many people also notice stretch marks on their armpit, which can make anyone feel self-conscious when wearing sleeveless shirts, blouses, and dresses.

You may be wondering, what causes stretch marks under the arms? Or more importantly, how do you remove stretch marks on the armpit?

Don’t worry, we’re here to help you out. In this article, we talk about what causes them and how to remove stretch marks on the armpit.

What Causes Stretch Marks on the Armpit?

As the saying goes, every scar tells a story. But when it comes to stretch marks on the armpit, you may not know how they appear in the first place.

Medically speaking, stretch marks on the armpit are not at all harmful. They likely occur due to excessive workout training or sudden weight gain. While some people are blessed with elastic skin, there are those who aren’t, hence the stretch marks appear.

Let’s take a look at some of the common causes for stretch marks under the arms.

Skin Injuries

Scars occur when your skin is injured and it repairs itself. While many people don’t know this, stretch marks are actually a type of scar. They form when your skin shrinks or stretches quickly. The shrinking and stretching of your skin causes proteins such as elastin and collagen to break down. Your skin will then try to heal itself but leave behind the scars that you see as red stretch marks near your armpit.

If you have stretch marks under your arms, you may feel slight indentations when you touch them. While some scars that form on the top of your skin feel like bumps, stretch marks form below your skin’s top layer, leaving indentations.


When you’re pregnant, your abdomen grows to accommodate the growing fetus in your belly, thus stretching the skin. This happens with your breasts too as they prepare to produce milk.

However, studies show that pregnancy hormones can make the skin more vulnerable to tearing, which explains the stretch marks. Other areas of the body where stretch marks can develop during pregnancy include the buttocks, thighs, lower back, hips, and yes – your armpits.

Medicinal creams

You can buy ointments and corticosteroid creams over the counter but if you use these products inappropriately and for too long, they can break down your skin’s connecting fibers and cause stretch marks on your armpit to form. If you use these products, speak with your pharmacist on the best way to use them.

Growth spurts

After infancy, the quickest and most dramatic growth spurt typically occurs at puberty. These growth spurts can cause red stretch marks near the armpit because the skin was stretched too quickly.

The same thing happens with rapid weight gain or weight loss. To accommodate the change in body shape, the skin must shrink or stretch. That’s why bodybuilders also develop stretch marks under their arms. Their body changes so fast when they’re training, and then changes again when they stop.


Research shows that there is a genetic link to stretch marks. So, if your mother or sister has them, it’s likely you’ll get them too. While excess tension on the skin is a brief explanation for stretch marks on your armpit, some people are more prone to developing them than others.

White vs. Red Stretch Marks Near the Armpit

Stretch marks on the armpit often begin as purple or red marks, and then slowly fade to white over time. This means that their color distinguishes how old the stretch marks are. Though the marks seldom disappear completely, various treatments can shrink them or lighten their color. In some cases, stretch marks may fade away on their own.

Newer, red stretch marks near the armpit are easier to treat. They begin red-tinged because of the blood vessels present under the skin. The presence of those blood cells allows the marks to be more responsive to treatment.

On the contrary, white stretch marks on your armpit or under your arms are older, thus they’re harder to treat. Over time, your blood vessels inevitably narrow, making it difficult to stimulate the production of collagen. 

The results of your treatment may not be as drastic as opposed to treating red stretch marks. However, there are options to help them fade at a faster pace, which we will discuss in the next section.

How to Remove White Stretch Marks on the Armpit?


Regular exfoliation is a simple way to treat white stretch marks on the armpit. This helps your body get rid of excess dead skin and remove the new skin from your stretch marks.

Results will be further enhanced if you exfoliate and make use of other treatment products. This is because removing dead skin cells from the stretch marks under your arms allows other treatments and products to penetrate more deeply and work faster.

We recommend the Gluta-C Intense Whitening Body Scrub with Natural Papaya Enzymes. Formulated for everyday use, this lightening papaya body scrub is rich in Vitamins A, B, and C and acts as a gentle exfoliant, removing dead skin cells from the skin’s uppermost layers – preparing it for deeper and faster absorption of nutrients, vitamins, and minerals.

Topical treatments

Ointments and topical creams are affordable methods of reducing the appearance of white stretch marks on your armpit. Some creams are prescribed by a doctor, while others are available as over-the-counter products.

When applied regularly, these products can help lighten the tone of your stretch marks but not completely remove them. Before using any topical creams or ointment, discuss with your doctor about the risks. Some creams may not be strong enough to treat your condition or may trigger an allergic reaction.

Laser therapy

Laser therapy is a popular treatment option for those searching for a quick and effective way on how to remove stretch marks on the armpit. In the procedure, lasers penetrate your skin to stimulate regeneration. This triggers the tissues surrounding your stretch marks so they heal at a rapid pace.

Laser therapy stimulates the production of melanin on the affected area, resulting in pigment cell activation. Over time, the stretch marks under your arms will blend in with your normal skin tone.


This procedure targets the dermis, your skin’s middle layer where stretch marks form. Tiny needles are poked into your skin to trigger the production of collagen. Increased collagen and elastin stimulates skin regeneration, which can reduce the appearance of stretch marks on your armpit and improve your skin’s overall appearance.


This is a painless procedure to diminish the appearance of white stretch marks under the arms. It targets your skin’s upper layer (epidermis) and stimulates the skin to tighten elastin fibers and collagen.

During the procedure, exfoliating crystals are sprayed onto the affected area. The crystals are then removed gently with a wand-like device, taking with them dead skin from the epidermis. Your skin may feel dry and tight after the procedure. Some redness may also occur from the exfoliation. While considered effective, the procedure doesn’t guarantee to fully remove the stretch marks on your armpit.

How to Remove  Red Stretch Marks on the Armpit?

If your stretch marks are still dark in color (red, purple, or brown), this means that they can still be treated. Red stretch marks near your armpit will usually look like that for a year. Once they turn white, there’s a very minimal chance of getting rid of them with just regular treatments.

To remove red stretch marks from your armpit, it’s best to follow the options stated in the section prior. There’s no difference between treating white and red stretch marks on the armpit. The only difference is that it will be harder to treat white ones since they’ve been on your skin for a longer period of time.

Once you start noticing red stretch marks near your armpit, you can treat it with whitening gel such as the Gluta-C Intense Whitening Underarm and Bikini Skin Whitening Gel. You can also try the natural, DIY remedies in the next section.

How to Remove Stretch Marks Under Arms with Natural Remedies

Given the countless treatments and products available to remove stretch marks on the armpit, a natural DIY remedy is always worth trying. At-home remedies and natural ingredients tend to be a better choice for people who have sensitive skin.

Here are some good natural remedies to help you reduce the appearance of stretch marks on your armpit and stretch marks under the arms.

Vitamin A

Retinoids are known to give you youthful skin and remove stretch marks. Vitamin A retinol helps repair the skin cells, making your skin softer and younger-looking. In the case of stretch marks, intake or use of Vitamin A can help make the skin firmer to reduce the appearance of lines.

Consume Vitamin A orally or you can also include Vitamin A-rich food in your diet such as milk, eggs, tomatoes, and green leafy vegetables. These will all help your skin heal more quickly.

Coconut oil and aloe vera

Both aloe vera gel and coconut oil are natural moisturizers that help hydrate your skin and treat itchy underarms. Aloe vera is helpful in restoring skin tissues back to health while coconut oil is known for its healing properties.

If you’re wondering how to remove stretch marks on your armpit using these ingredients, here’s a must-try DIY treatment. Mix aloe vera sap and two tablespoons of virgin coconut oil in a bowl. When they’re thoroughly mixed, apply a small amount of the mixture on your stretch marks every day. In two to three weeks, you may notice the red stretch marks on your armpit start to fade.


Sugar is a great ingredient for DIY microdermabrasion. As microdermabrasion is one of the most effective methods to lighten the red stretch marks on the armpit, you can use a homemade sugar scrub and apply it to the affected area. Exfoliating the area with a natural scrub and learning how to use a body scrub properly will regulate the blood flow and speed up your skin’s healing capacity.

Mix 1 tablespoon of sugar and any essential oil to make a paste. Apply it on the stretch marks on your armpit and massage in a circular motion for 2-3 minutes before rinsing the scrub off.

Lemon juice and baking soda

Lemon juice has bleaching properties that help lighten the skin while baking soda is a natural exfoliant. Baking soda also helps remove dead skin cells, thus aiding in eliminating the stretch marks under your arms. In turn, lemon juice extract will make them less visible.

Mix one tablespoon of baking soda with the fresh juice of half a lemon. Apply the mixture on the red stretch marks on your armpit and then cover with a cling wrap. Wait for 20 minutes to pass before rinsing.

If you have sensitive skin, it’s best to test it first by applying a small amount on your arm and leaving it there for 10 minutes. If your skin doesn’t itch or react, proceed to apply it to the affected areas.

Almond oil

Almond oil has been hailed as a miraculous skin care ingredient for treating stretch marks. Rich in Vitamin E and other essential nutrients, it deeply moisturizes the affected area, supports cell regeneration, and reduces the appearance of red stretch marks on your armpit in no time.

Heat some almond oil and then massage it onto your skin in a circular motion until your skin fully absorbs it. Repeat this twice a day and then follow up with a gentle moisturizer.

Treat Stretch Marks Before They Become Permanent with Gluta-C

Stretch marks on your armpit are painless and they don’t pose a health risk. While you can’t totally eliminate stretch marks once they’ve formed, you can take some steps to make them less noticeable.

The tips mentioned above are just some of the ways you can diminish the appearance of stretch marks under your arms and achieve the flawless skin you desire. You can try home remedies, dermatologist-approved creams, laser therapy, or Gluta-C products.

For more information and inquiries on how to remove the stretch marks on your armpit, don’t hesitate to contact Gluta-C today.

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