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Acne usually affects teenagers. It often goes away as you get older, but this can sometimes take years.

For most people, acne lasts about five years.¹ But some people have acne for longer than this. About 3 in 100 men and 12 in 100 women still have acne when they're 25.² And about 1 in 100 men and 5 in 100 women have it into their 40s.³ It's also possible for acne to start for the first time when you're older.

Treatments can help get rid of acne. But it can take two months before you can tell if your treatment is working.⁴ You might need to keep using your treatment for six months or longer. Getting treatment early can prevent scarring.^{1 4}

If one treatment doesn't help you, it's worth going back to see your doctor. There may be another treatment that works better for you.

You may be treated by your usual doctor. If you have severe acne, you may see a doctor who specializes in skin conditions (a dermatologist).

There are some things you can try yourself to keep your skin healthy. You may want to:^{1 5}

• Clean your skin gently. Some people try to get rid of grease and pimples by scrubbing their skin, but this can make acne worse.
• Avoid touching your pimples. Squeezing or picking your pimples can cause scars.
• Avoid sunburn. Some treatments for acne can make you more likely to get burned if you go out in the sun.
• If you shave, shave carefully. You could try electric shavers or safety razors, whichever is more comfortable.
• Use oil-free make-up. Some types of make-up can block pores and cause pimples.

You may find that acne makes you feel embarrassed or depressed. Talking to your doctor might help. He or she will be able to help you find the best treatment for you. He or she may also be able to give you advice about looking after your skin.¹

This information is for educational use only, and is not a substitute for prompt professional medical advice. Readers should always consult a physician or other professional for advice and treatment. ©BMJ Publishing Group Limited 2008. All rights reserved.