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Mediha-Sarwar

Managing Dry Skin: The Importance of Moisturisation

An Interview with Mediha Sarwar

Many of us experience dry skin at some point—whether it’s from long, hot showers, environmental factors or simple genetics.

Mediha Sarwar explains what really causes dryness, why finding the right moisturiser can make all the difference, and shares simple, science-backed tips to keep your skin barrier healthy and comfortable, no matter the season.

How common is dry skin, and what are its main causes?

Dry skin affects a large portion of the population, particularly in climates where cold weather and low humidity strip moisture from the air.

Genetics also play a role, and many people with atopic dermatitis experience persistent dryness. In these climates, even those without a predisposition can see their skin become rough or flaky simply due to environmental factors.

What symptoms do people with dry skin experience, and how can these worsen if left untreated?

Common symptoms include tightness, rough or scaly patches, and increased sensitivity—especially on the face. Untreated dryness can progress to inflammation or true eczema, characterised by redness, itching and sometimes cracks or fissures.

Once eczema develops, you may need anti-inflammatory treatments on top of moisturisers, so it’s best to prevent that stage altogether.

What are the key do’s and don’ts for managing dry skin?

  1. Do use a moisturiser daily. This is non-negotiable if you want to maintain a healthy skin barrier.
  2. Don’t rely on water alone. Some believe that skipping soap and just using water keeps skin healthier, but water actually washes away natural moisturising factors, worsening dryness—especially on hands.
  3. Do avoid extreme temperature changes. Rapid transitions from warm indoor air to cold outdoor air can aggravate dryness.
  4. Do be mindful of stress. High stress levels increase transepidermal water loss (TEWL), weakening the skin barrier and triggering inflammatory responses.

Which ingredients should people look for in moisturisers for dry skin?

Look for products that mimic the skin’s natural lipids and combine different functional components:

  • Ceramides, cholesterol, free fatty acids – these lipids replicate the skin’s own barrier-forming oils.
  • Humectants (e.g., glycerine) – attract and hold moisture within the skin.
  • Occlusives (e.g., petrolatum, paraffin) – create a protective “lid” to prevent water evaporation.

A well-formulated cream balances all three categories. Avoid using pure natural oils (like olive or coconut) on their own, as they lack the full range of lipids and can oxidise, further compromising the barrier.

Are there lifestyle changes or tips that help manage dry skin?

  • Limit hot or lengthy showers. Keep baths or showers short and use lukewarm water to avoid stripping oils.
  • Apply moisturiser in the direction of hair growth immediately after bathing. Pat the skin dry so it’s still slightly damp, then lock in hydration with your cream.
  • Protect hands from prolonged water exposure. If you have hand eczema, wear gloves when washing dishes or working in humid environments.
  • Manage stress. Simple relaxation techniques—such as mindfulness or gentle exercise—can reduce TEWL and support barrier repair.

What skincare myths should we debunk today?

  • “Moisturisers make your skin dependent.” This is false. Good creams support and reinforce your natural barrier; they don’t “weaken” it.
  • “Natural oils are always safe.” While some people tolerate pure oils, they don’t supply the full spectrum of lipids your skin needs. In fact, oils can oxidise and damage the barrier if used alone.
  • “If my skin is dry, more water is the answer.” Pure water alone actually strips away the skin’s own moisturising factors, worsening dryness. Always follow cleansing with an appropriate moisturiser.

What’s your top tip for anyone struggling with dry skin?

Use a good moisturiser—daily, without fail—and avoid factors that aggravate dryness. If you’re prone to dry skin, choose a formula rich in barrier-mimicking lipids, humectants and occlusives. And if dryness persists or worsens, consult a dermatologist for personalised advice.

Looking for the right product to support your skin type or condition?

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Looking for more information?

Explore a range of in-depth information on skin health and other common skin conditioners here.