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What are acne scars?
If you’ve experienced acne at any time in your life, you might have some scarring as a result. To find out how this scarring can be treated – and, in the first instance, prevented – read the following guide.
About acne scars?
Scarring is a common complication of acne, particularly in people who have moderate or severe acne. Scarring can occur when acne spots burst, or are picked or squeezed. The skin around the spot is damaged, and scars develop.
Any type of acne spot can leave a scar if it damages the skin, however scarring is most likely with nodules and cysts. These are the most severe varieties of acne spot. Nodules are large, hard bumps that sit under the skin, while cysts are large pus-filled spots that look like boils.
Because everyone’s skin is different, some people’s acne will heal with only minimal damage, while other people will have lasting scars.
Types of acne scar
There are three main types of acne scar:
- Ice pick scars
- Rolling scars
- Boxcar scars
Ice pick scars look like small, deep holes in the skin, as though the skin has been punctured. Rolling scars are where the skin looks bumpy and uneven. Boxcar scars are individual depressions, or craters, in the skin.
In certain people, the body can have an abnormal response to the damaged skin. This can result in more severe, raised scarring such as hypertrophic or keloid scars. Some people also experience skin discolouration as a result of acne.
Acne scar treatment and removal
The first thing to know about acne scar treatment is that it is not typically available on the NHS, as it is considered a cosmetic procedure. This means you will likely have to pay for a private procedure.
It’s also worth noting that, while the kinds of treatment listed below can have a noticeable effect on acne scarring, they cannot completely remove the appearance of scars.
If your scarring is very mild, or you don’t want any of the cosmetic procedures suggested below, you can try a product such as Bio Oil or LloydsPharmacy body care oil. These are moisturising skin treatments that are said to reduce the appearance of scars.
This is a cosmetic procedure where the top layer of the skin is removed, typically with a special instrument that is rolled across the skin.
Removing the top layer of the skin can reduce the appearance of acne scarring and the make the skin smoother, however this technique is not as effective with deep scars.
You may need two or three dermabrasion procedures for an effect to be seen. After each procedure your skin may be red, sore and swollen for several months while it heals.
This is where lasers are used to remove outer layers of the skin (as with dermabrasion) and to stimulate collagen production, both of which can improve the appearance of scars.
As with dermabrasion, laser therapy can cause redness, swelling and pain, with symptoms lasting for weeks.
Punch excision, elevation and grafting
Punch techniques are types of minor surgery carried out to remove acne scars.
- Excision is usually used for ice pick scars. The scar is cut out of the skin using a special tool, and the wound is stitched flat.
- Elevation is usually used for boxcar scars. This technique involves cutting out the bottom of the scar and lifting it up so that it sits level with the surrounding skin, giving a smoother appearance.
- Grafting is for deep scars and involves taking a skin graft from somewhere else on the body (usually the back of the ear). The scar is removed and the hole is plugged with the skin graft.
Subcision is another type of surgery used for acne scarring, and specifically rolling scars. The upper layer of the skin is separated from the scar tissue, allowing blood to clot over the scarring and lift up the skin to make it smoother.
This is where a special tool is rolled across the skin, creating lots of tiny wounds within the scar tissue. These wounds heal quickly, and during the process produce new collagen which helps smooth out the affected skin.
The procedure causes redness and irritation, but for no longer than a few days. Multiple treatments are needed, typically every four to six weeks.
A chemical peel is a cosmetic procedure whereby outer layers of skin are removed using glycolic or salicylic acid. As with dermabrasion or laser therapy, this can help reduce the appearance of scars.
To temporarily plump up the skin and reduce the appearance of scars you can receive dermal fillers under the skin.
Preventing acne scars
It’s not always easy to prevent acne scarring, but there are some things you can do to reduce your risk.
- Never squeeze or pick at spots. Not only can burst spots damage the skin and cause scarring, squeezing and picking can also lead to infection.
- Make sure you’re using the correct treatments for your acne. If your symptoms are severe you should be using prescription treatments, not simply over-the-counter products.
- Establish a daily skincare routine. Acne is not caused by poor hygiene, but keeping your skin clean can help to reduce the blockages in the skin that cause acne spots.
- Avoid scrubbing your face or using harsh skincare products. Keeping your skin clean is important, but washing it too harshly can cause damage.
- Wear sun lotion to protect scars as they are healing. Sun damage can slow down the healing process.
- Quit smoking, as studies have shown that scars don’t heal as well in smokers*.
If you are concerned about your acne spots or scarring, make an appointment with your GP or use our free acne assessment.