In short

Acne scarring is common but largely preventable. The NHS is clear that most scarring results from either picking and squeezing spots, or from moderate-to-severe acne that is not treated early enough. 

The three main scar types (ice pick, rolling, and boxcar) all form when deeper tissue is damaged, either by the acne itself or by interference with it. 

The single most effective thing your daughter can do is leave spots alone and get the right treatment in place quickly if her acne is anything beyond mild.

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What causes acne scars in the first place?

The NHS explains that any type of acne spot can lead to scarring, but it is most common when nodules and cysts burst, damaging the surrounding skin.

Picking and squeezing is the other major cause. Even spots that would not naturally scar can be pushed deeper into the skin's layers if interfered with, creating the conditions for permanent marks. 

This is one of the harder habits to break because the immediate result of squeezing a spot can look like progress.

How do I persuade my daughter to stop picking?

This is a conversation worth having gently and factually, not dramatically.

Showing her specifically what picking leads to and being clear that it is not about vanity but about health tends to land better than vague warnings. 

The NHS frames it simply: picking causes scarring that would otherwise not occur. 

If picking is compulsive rather than habitual, and she struggles to stop even when she wants to, it is worth mentioning to a doctor, as this can sometimes be a sign of anxiety.

When is it worth seeing a doctor about acne?

Sooner than most parents think. 

It is a good idea for your daughter to see a doctor about her acne if:

• Acne is moderate or severe
• There are nodules or cysts (deep, painful lumps under the skin)
• There are signs of scarring or it looks likely
• The acne is causing significant distress
• Over-the-counter treatments have not worked after several weeks
• Your daughter's acne is affecting her confidence

Early prescription treatment considerably reduces the likelihood of scarring. 

Prescription options including topical retinoids, azelaic acid, and antibiotics can be very effective, but need to be started before damage occurs rather than after.

What treatments are available for existing scars?

If some scarring has already occurred, the NHS lists several options:

• Laser treatment (ablative and non-ablative) to encourage new skin growth and collagen production
• Dermabrasion to remove surface skin layers
• Punch techniques for specific scar types including ice pick scars
• Subcision for rolling scars

These are mostly private treatments, as they are considered cosmetic procedures and are not routinely available on the NHS. Prices vary considerably. 

If the scarring is causing significant psychological distress, there may be exceptions. A doctor can advise.

What can she do at home to minimise the risk?

Good daily habits help significantly:

• Treat the affected area with the right product, not just individual spots
• Use SPF 30 or higher on acne-affected skin as sun exposure can darken post-acne marks and slow healing
• Keep skin clean but do not over-wash, which can aggravate breakouts
• Use non-comedogenic moisturiser, which does not block pores
• Do not use harsh physical scrubs on inflamed skin
• Have an appropriate teen skincare routine

FAQ

Are some people more prone to scarring than others?

Yes. People with darker skin tones are more prone to hyperpigmentation (dark marks) rather than raised or indented scars. 

People with a history of keloid scarring elsewhere are at higher risk of raised acne scars. A doctor can factor this into the choice of treatment.

Do pimple patches help prevent scarring?

Hydrocolloid pimple patches can be useful as they reduce the temptation to pick and absorb fluid from the spot without damaging the surrounding skin. 

They are not a treatment for moderate or severe acne, but as part of a broader routine they serve a useful function.

At what point should we see a dermatologist rather than just a GP?

A doctor will refer to a dermatologist if the acne is severe, involves nodules or cysts, or has not responded to standard treatments. 

You do not need to push for a referral if your daughter is already improving, but if treatments have been tried for several months without improvement, a dermatologist referral is the right next step.

For more on managing day-to-day acne, luna's guide on helping your daughter manage acne covers the practical routine side.

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