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Stretch Marks: What Causes Them and Which Treatments Can Help?

Medically Reviewed By HealthBay Aesthetics

Stretch marks develop when the skin stretches rapidly due to pregnancy, puberty, weight changes, or muscle growth. Treatments such as microneedling, radiofrequency, and laser therapy may improve their appearance, although complete removal is unlikely. A dermatologist can recommend suitable options based on your skin and the age of the marks.

Few skin concerns are as common, or as quietly distressing, as stretch marks. They often appear during life changes: a pregnancy, a growth spurt, a fitness journey or a period of weight change. Many people notice them for the first time in the mirror and wonder what went wrong, or what they could have done differently.

The honest answer is that stretch marks are largely a matter of skin biology, genetics and timing. They are not a sign of poor skincare or poor health. Understanding what causes them, why they change colour over time and which treatments have real evidence behind them helps you make realistic, confident decisions.

This guide covers what stretch marks are, why they form, whether they can be prevented, and which treatments can help, including what to expect from each.

What Are Stretch Marks?

Stretch marks, medically known as striae distensae, are narrow lines that develop when the skin stretches rapidly or hormonal changes affect its structure.

  • Skin changes: Damage to collagen and elastin fibres in the dermis causes stretch marks.
  • Appearance: They may look red, purple, brown, white, or silver, depending on their age and skin tone.
  • Texture: They may feel smoother, thinner, or slightly ridged compared with surrounding skin.
  • Are they harmful? Stretch marks are generally harmless, non-infectious, and mainly a cosmetic concern.

The Two Stages of Stretch Marks

Stretch marks change over time, and the stage they are in strongly affects how well they respond to treatment.

Striae rubra (early or red stage). New stretch marks usually look red, pink, purple or dark brown, depending on skin tone. They may be slightly raised, itchy or sensitive. At this stage the area is still inflamed and has a blood supply, which is why it looks coloured. This is generally the best window for treatment.

Striae alba (mature or white stage). Over months to years, the marks fade to white, silver or a lighter shade than the surrounding skin. They often look flat or slightly sunken, and the skin may look thin and crinkled. They have fewer blood vessels and less pigment, so they are more stubborn and need more sessions, and results are usually more modest.

What Causes Stretch Marks?

Several factors combine to cause stretch marks, and some people are simply more prone to them than others.

Pregnancy

Many women develop stretch marks, most often on the abdomen, breasts, hips and thighs, in the second half of pregnancy. Rapid skin stretching and hormonal changes both play a role.

Puberty and Growth Spurts

Fast growth during adolescence commonly causes stretch marks on the thighs, hips, lower back and breasts, and in boys, on the shoulders and back.

Rapid Weight Gain or Loss

Quick changes in body size can stretch the skin faster than it can adapt, whether the change is gradual weight gain over a short period, post-surgery weight loss or weight-loss medication.

Muscle Building

Bodybuilding and heavy strength training can produce stretch marks on the shoulders, chest, arms and thighs as muscle mass increases.

Genetics and Family History

If your mother or sisters developed stretch marks, you are more likely to as well. Genes influence how strong and elastic your skin is.

Corticosteroids

Long-term use of strong steroid creams, or steroid tablets and injections, can thin the skin and weaken collagen, making stretch marks more likely.

Hormonal and Medical Conditions

Conditions that raise cortisol, such as Cushing’s syndrome, and connective tissue disorders, such as Marfan syndrome and Ehlers-Danlos syndrome, can cause widespread or unusual stretch marks.

Other Factors

Breast surgery or implants, and some skin or hormonal treatments, can contribute.

When Stretch Marks Need a Medical Look

Most stretch marks are purely cosmetic. But if you develop many stretch marks suddenly, especially without obvious weight change or pregnancy, or they appear alongside symptoms such as easy bruising, unexplained weight gain, high blood pressure or muscle weakness, speak to a doctor. They may point to an underlying hormonal or medical issue that deserves checking.

Where Do Stretch Marks Appear?

Stretch marks can develop wherever the skin is stretched, but they are most common on the:

  • Abdomen and lower belly
  • Breasts
  • Hips and buttocks
  • Thighs
  • Lower back
  • Upper arms and shoulders

The location often hints at the cause. Abdomen, breasts and hips are typical in pregnancy, lower back and thighs in adolescence, and shoulders and arms in muscle building.

Who Is More Likely to Get Stretch Marks?

Anyone can, but you are more likely to if you:

  • Are pregnant, especially with a larger baby or twins
  • Are going through puberty
  • Have a family history of stretch marks
  • Have gained or lost weight quickly
  • Use corticosteroids for long periods
  • Have a connective tissue or hormonal condition
  • Are female, since stretch marks are more common in women, though men get them too

Can Stretch Marks Be Prevented?

This is one of the most common questions, and the honest answer is: only partly.

No cream, oil or home remedy has been shown to reliably prevent stretch marks. Some studies of ingredients such as hyaluronic acid and centella asiatica show small benefits, but the evidence is limited and results are inconsistent. Cocoa butter and many oils have not shown clear preventive benefit in good-quality studies.

What may help:

  • Gradual weight change. Avoiding very rapid gain or loss gives skin time to adapt.
  • Staying hydrated and eating a balanced diet to support overall skin health.
  • Moisturising regularly. It will not stop stretch marks from forming, but it can reduce itching and keep skin comfortable as it stretches.
  • Gentle massage of at-risk areas, which many people find soothing.
  • Seeing a doctor early if you use steroid creams for long periods.

Because genetics matter so much, some people develop stretch marks despite doing everything right. It is not a failure on your part.

Which Treatments Can Help With Stretch Marks?

No treatment erases stretch marks entirely, and results vary from person to person. The aim is to improve colour, texture and visibility. Most treatments work by stimulating collagen and encouraging the skin to remodel itself, and most need several sessions.

1. Topical Treatments

Prescription retinoids may improve early stretch marks, while moisturising creams help hydrate the skin. Retinoids should be avoided during pregnancy.

2. Microneedling

Infini microneedling uses fine needles to stimulate collagen and elastin production, helping improve the appearance and texture of stretch marks.

3. Radiofrequency Microneedling

Radiofrequency microneedling, such as Morpheus, combines fine needles with heat energy to stimulate collagen remodelling and improve skin firmness.

4. Fractional Laser Treatments

Fractional lasers, such as Fraxel, stimulate collagen production to improve skin texture and reduce the visibility of stretch marks.

5. Vascular and Colour-Targeting Lasers

These laser treatments target redness in newer stretch marks, while selected treatments may help improve colour differences in older marks.

6. Platelet-Rich Plasma (PRP)

PRP uses platelets from your own blood to support skin renewal and may be combined with microneedling to improve stretch marks.

7. Chemical Peels and Mesotherapy

Chemical peels help improve skin texture and tone, while mesotherapy delivers selected substances into the skin.

Comparing the Options

Treatment Best for Typical downtime Sessions
Prescription topicals Early red marks None Daily use over weeks
Microneedling Red and white marks, many skin tones 1–2 days of redness Several
Radiofrequency microneedling Mature marks, looser skin 1–3 days Several
Fractional laser Mature marks, texture A few days of redness Several
Vascular laser Red and purple marks Minimal Several
PRP Supporting skin renewal 1–2 days Several
Peels and mesotherapy Mild marks, texture Minimal Several

Downtime and session numbers vary by device, settings and the individual. Your dermatologist will give you specifics after an assessment.

How to Choose the Right Treatment

The best option depends on several factors:

  • Stage of the marks. Red marks and white marks respond to different approaches.
  • Skin tone. Darker skin needs more careful treatment selection to avoid pigment changes.
  • Location and size. Large areas may need a longer course.
  • Your goals and timeline. Some people want gentle, gradual improvement, others want a more intensive plan.
  • Your health and medications. Some conditions and medicines affect healing and suitability.
  • Pregnancy and breastfeeding. Many treatments, including retinoids and most energy-based procedures, are postponed until after breastfeeding.

A proper skin assessment is the single most important step. Two people with stretch marks in the same place may need completely different plans.

What to Expect From Treatment

Realistic results. Treatment can soften colour, smooth texture and make stretch marks less noticeable. It rarely makes them vanish. Early marks generally respond better than old ones.

Multiple sessions. Most plans involve a series of treatments spaced several weeks apart, since collagen remodelling takes time. Visible results often build gradually over months.

Comfort. Numbing cream is commonly used, and most people describe the sensation as tolerable, though it varies by treatment.

Aftercare. Typical advice includes avoiding strong sun exposure, using sunscreen, keeping the skin moisturised, avoiding harsh products for a short period and following your clinician’s instructions.

Possible side effects. These can include redness, swelling, temporary dryness or flaking, and, less commonly, pigment changes, infection or scarring. Choosing an experienced clinician and following aftercare reduces these risks.

Who Should Wait or Avoid Certain Treatments?

Your clinician may advise delaying or avoiding treatment if you:

  • Are pregnant or breastfeeding
  • Have active skin infections, open wounds or skin conditions in the treatment area
  • Have recently had significant sun exposure or a tan
  • Use certain medicines, such as recent oral isotretinoin
  • Have a tendency to keloid or abnormal scarring
  • Have a bleeding disorder or take medicines that affect clotting

Always share your full medical history during consultation.

Simple Skincare Habits That Support Treatment

Home care cannot erase stretch marks, but it supports skin health and any professional treatment:

  • Moisturise daily to keep skin supple and comfortable.
  • Protect treated areas from the sun, since UV can darken marks and make them more visible.
  • Maintain a stable weight where possible.
  • Avoid picking or scratching itchy new marks.
  • Follow your dermatologist’s advice on active ingredients rather than combining products yourself.

Stretch Marks and Confidence

For some people, stretch marks are simply a part of their story and cause no distress. For others, they affect how comfortable they feel in swimwear, at the gym or in everyday clothes. Both feelings are valid. Treatment is a personal choice, not an obligation, and a good clinician will talk through your goals without pressuring you.

If stretch marks are affecting your confidence, speaking with a specialist can help you understand what is realistic and what suits your skin.

When Should You See a Dermatologist?

Consider an assessment if:

  • You want to explore treatment options for new or old stretch marks.
  • Your stretch marks appeared suddenly, are widespread or have no clear cause.
  • They are itchy, painful or look unusual.
  • You are on long-term steroid treatment.
  • You notice other symptoms such as easy bruising or unexplained weight gain.

Early assessment gives you more options, since newer marks respond best.

FAQs

1. What causes stretch marks?
Stretch marks form when the skin is stretched quickly or weakened by hormones, damaging collagen and elastin in the dermis. Common triggers include pregnancy, puberty, rapid weight change, muscle building, genetics and long-term steroid use.

2. Are stretch marks permanent?
Stretch marks do not disappear completely. They usually fade from red or purple to white or silver over time, and treatment can make them look less noticeable, but complete removal is unrealistic.

3. Can stretch marks be prevented?
There is no proven way to prevent them. Gradual weight change, good hydration and regular moisturising support skin health, but genetics play a large role, so some people develop them regardless.

4. Which treatment works best for stretch marks?
It depends on the stage, colour, location and your skin tone. Red marks often respond to vascular lasers and early topical treatment, while white marks may benefit from microneedling, radiofrequency and fractional laser. A dermatologist can recommend the right approach.

5. Do creams really work for stretch marks?
Most over-the-counter creams and oils offer little proven benefit. Prescription retinoids may help early marks but are not safe in pregnancy or breastfeeding. Professional treatments generally give more noticeable results.

6. Are old stretch marks harder to treat than new ones?
Yes. Mature white marks have less blood supply and pigment and are generally more resistant than early red or purple marks, so they need more sessions and results tend to be more modest.

7. How many sessions will I need?
Most plans involve several sessions spaced weeks apart, because collagen renewal is gradual. The number depends on the treatment, the size of the area and the age of the marks.

8. Is stretch mark treatment safe for darker skin?
Yes, with the right approach. Darker skin tones have a higher risk of pigment changes with some lasers, so treatment selection and settings should be chosen carefully by an experienced clinician.

9. Can I have treatment during pregnancy or breastfeeding?
Most stretch mark treatments, including retinoids and many energy-based procedures, are postponed until after pregnancy and breastfeeding. Speak to your doctor about what is safe.

10. Do men get stretch marks?
Yes. Men develop them too, commonly from growth spurts, rapid weight changes or muscle building, often on the shoulders, back, arms and thighs.

Understanding Your Stretch Mark Treatment Options

Stretch marks are a natural skin concern that may fade over time. Treatments such as microneedling, radiofrequency and laser therapy can help improve skin texture and reduce their visibility. Consulting a dermatologist helps you choose the right approach for your skin.

Ready to Improve Your Skin’s Appearance?

At HealthBay Aesthetics in Dubai, you can explore personalised treatment options for stretch marks. Request an appointment to discuss your skin concerns and suitable treatments.

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