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Between iso-skin, seasonal changes and just plain old life, our skin cops a lot of shit (to put it politely). And when the going gets tough, our skin can freak out.
A flare up can show up in the form of redness, dryness, itchiness or irritation. More often than not, a disrupted skin barrier is the cause of the issue. 
Here’s the thing: most of us don’t even know what a skin barrier is, let alone how to repair it. So we’ve done the digging for you with the help of Deciem?s Chief Scientific Officer Prudvi Mohan Kaka. 

Hey, you. Yes, you with the topknot and matching tracksuit. You have a skin barrier! Surprise!
?Your skin is the first barrier against many extrinsic factors,? says Kaka. ?With most of its protective components being found in the stratum corneum.? Also known as the epidermis, this is the outermost layer of your skin; it is our skin’s first line of defence against environmental aggressors and damage. ?Healthy skin should have an adequate balance between extracellular lipids and water-binding Natural Moisturising Factor (NMF),? says Kaka. ?It should shed regularly, in a process known as desquamation, making way for newer skin.?
Sometimes, our epidermis can become compromised. A tell-tale sign that your skin barrier is less than healthy" “Your skin will be a lot drier, redder or more irritated than usual and...