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Causes of Dry Skin & How Moisture Heals it

Causes of Dry Skin & How Moisture Heals it

Dryness damages your skin and moisturising makes it healthy again.

Vaseline is a cosmetic product for moisturising dry skin

This is the top layer of your skin

This image represents your skin’s top protective layer, called the Stratum Corneum. It functions like a brick and mortar wall, protecting you from the outside world.

The “bricks” are called corneocytes. These protective skin cells give the skin structure and strength and contain Natural Moisturising Factor (NMF). NMFs draw in moisture and hold it in the cell.

The “mortar” is made up of lipids. They form a continuous layer that surrounds the corneocytes – or skin cells (the “bricks”), providing elasticity and flexibility and helping to retain moisture in the skin.


When your skin is healthy, it protects you from the elements
Skin that is healthy and properly hydrated is naturally capable of defending itself against the causes of dry skin and continuously repairing itself.


But when it’s not, it’s more susceptible to harm.
Everyday factors such as dry weather and even showering (during which water and harsh cleansers can wash way away skin’s natural moisturising factors) can weaken the skin cells and deplete the lipid layer. These factors degrade your skin’s barrier, allowing more moisture to escape.


Skin’s protective ability breaks down
As your skin gets drier, there’s a breakdown of normal, healthy processes. Without moisture, skin cells become fragile and your lipid layer becomes tighter and less flexible, setting the stage for dry or damaged skin. As the moisture barrier becomes weakened and damaged, your skin becomes even more vulnerable to the environment, increasing moisture loss.


You get dry skin.
Moisture is lost and skin’s protective defences are weakened. Skin feels rough and can start to feel uncomfortable. Its natural exfoliation process is disturbed, causing visible dry skin to form. Untreated dryness can lead to tight, uncomfortable skin and make it more vulnerable to the environment. At a cellular level, corneocyte development is impaired, so skin cells reach the surface underdeveloped and less able to protect against further damage.


To recover, replenish lost moisture.
A moisturiser will immediately hydrate skin and soften dry, stiff surface cells. Look for lotions with a combination of humectants, emollients and occlusives. Humectants hold water inside the skin, helping to promote NMF production. Emollients – like stearic acid or triglyceride oils – can replenish the lipid matrix. An occlusive like Vaseline Jelly replaces the lost protective lipid layer, creating a barrier to lock in moisture and protect against the causes of dry skin.


Your skin develops healthy cells again.

Healthy, strong cells grow in. The lipid layer is restored and NMF is produced normally. The natural exfoliation of skin’s top layer begins to occur without interruption.


You can get back to healthy skin
Cells are strong and moisture is protected. Skin looks and feels healed. While moisture loss may be unavoidable, regular moisturisation gives you the healing power to bring back your healthy skin.

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