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It’s very likely that you’ve heard the expression skin barrier in skincare ads on your TV, on Instagram via your favourite skinfluencer. But what actually is your skin barrier? And why does everyone keep chatting about it being damaged?

What is your skin barrier?

‘Most simply, it’s the outermost layer of skin and the part you can see,’ explains Francine Krenicki, VP of Product Development & Regulatory, StriVectin. ‘It acts like a shield, keeping the bad stuff from entering and the good stuff from leaving the skin. It’s made up of cells and lipids that work together to protect skin. And it’s responsible for making sure that water and electrolytes do not evaporate from skin.’

You can see why it’s vital. If your skin barrier is in good nick, your skin will feel soft and supple and will look clear and healthy. If it’s not, then it will feel tight, itchy and uncomfortable and it will look flaky, red and shiny. It will really, really sensitive in other words. Dr Mary Sommerlad, Consultant Dermatologist, explains that different skin colours have different reactions too. ‘In white and olive skin tones, the skin may look redder,’ she says. ‘In brown and black skin tones the skin may appear darker than the original skin colour.’

So if you’ve ever had a really bad flare up after using a certain product, or you’ve spent time in extreme weather, it’s likely that your skin will have reacted, because your skin barrier has been compromised.

Skin barrier damage

It’s important to note that the skin on your face is different from the skin on the rest of your body. It’s much less dense and a lot thinner. This means it’s really, really east to damage it.

‘Most commonly barrier damage comes from stripping your skin of its natural oils with harsh cleansers, abrasive scrubbing and exfoliating, as well as acids,‘ says Krenicki. We’ve all been there, eager to try out a new punchy product that promises brand new skin at the end of it. And afterwards we’ve paid the price, because we left it on a little too long or were too eager with our application. If you’ve ever had a bad reaction to a face peel or retinol, then you’ll know the feeling.

There are other factors that can cause damage – internal factors. ‘Stress and hormones can also lead to an impaired barrier,’ adds Krenicki. ‘Studies also show that the intercellular lipids that are important to keep it intact and moist start to diminish significantly with age.’ Ah yes, every day that we get closer to the grave, our skin barrier isn’t working as well as it should be.

Recently, our overuse of face mask has caused damage in the form of mascne. The heat and friction from the fabric has caused blemishes and micro-tears. This might explain why this is such a topical subject at the moment.

Skin barrier repair

So what steps can we take to repair this delicate part of our bodies? Krenicki explains that the skin barrier is like a brick wall: ‘Each brick is a skin cell held in place with mortar or your skin’s natural lipids. When your skin is healthy this brick wall holds in your natural moisture and keeps out environmental aggressors like pollution and irritants.’ So in order to repair your skin barrier, you need to maintain the ‘mortar’.

Dr Sommerlad, says: ‘To heal a damaged skin barrier, remove the source of irritation. I recommend stripping your skin care routine right back to just essentials and avoid exfoliation and retinoids until the skin feels comfortable again.’

She says that the time it takes to repair the skin barrier varies from person-to-person. ‘If you’re struggling to get your skin barrier back to normal after 4- 6 weeks I’d recommend seeing a dermatologist as you may have an allergy to something.’

She recommends using product with particular ingredients too, ‘Ceramides help restore the skin barrier, Niacinamide has anti inflammatory properties and hyaluronic acid is great at rehydrating the skin.’

Here are a few ways to help repair your skin barrier

– Look for formulas that are rich in ceramides, hyaluronic acid, niacinamide and emollient oils which help replenish your skin’s natural lipids. Don’t bother using retinols, AHAs or BHAs until your skin has calmed down.

– Be gentle when cleansing – use lukewarm water and formulas that are fragrance and soap-free. Avoid flannels and wipes on the face, stick with fingers or Muslin cloths which have lower friction. Don’t go near abrasive scrubs.

– Always wear a facial SPF. Photodamage from blue light and the sun will further aggravate the skin.

– Maximise on moisture. Lasting hydration is key to a strong barrier. Apply a serum containing hyaluronic acid and a mosituriser day and night.

– Thermal water face mists can provide relief when used throughout the day. Keep one on your desk and use whenever you feel your skin needs it.

Skin barrier repair products

Here’s our roundup of the best products that will help repair your skin barrier…

The post What the heck is your skin barrier and why should you care about it? appeared first on Marie Claire.