DRY SKIN

Dry skin, also known as xerosis, xeroderma, or asteatosis (lack of fat), is a common condition characterized by a lack of moisture in the skin. This leads to a rough, scaly texture and often causes itching. Without water, the skin cannot protect and repair itself. It can affect individuals of all ages and skin types, including darker skin tones, where it may appear as ashy skin. Dry skin can occur due to environmental factors, lifestyle habits, or underlying medical conditions.

The Science

Dry skin is primarily caused by a defect in the skin barrier. This barrier is made up of lipids (fats) that surround each skin cell, forming a protective layer known as lamellae. These lipids include cholesterol, ceramides, and fatty acids. When the skin barrier is compromised, tiny holes allow water to evaporate from the skin’s surface, leading to dehydration. Factors Contributing to Dry Skin:

Environmental: Low humidity, excessive air conditioning, direct heat, and frequent bathing can strip the skin of its natural oils.
Lifestyle: Use of harsh soaps, detergents, and certain skincare products can damage the skin barrier.
Medical Conditions: Hypothyroidism, chronic renal disease, malnutrition, and certain medications can contribute to dry skin.
Genetics: A family history of dry skin or conditions like atopic dermatitis and ichthyosis can predispose individuals to dry skin.
Age: Nearly everyone over the age of 60 experiences dry skin due to reduced lipid production and skin barrier function.

Clinical Features

Dry skin presents with a dull surface, rough texture, and scaly quality. It can feel less pliable and may crack, especially when severe. Common signs and symptoms include:

Rough, flaky skin
Itching and discomfort, often worsening in low humidity or cold weather.
Redness and inflammation in severe cases.
Fine cracks or fissures on the skin surface.
Tightness after bathing or swimming.

Dr May's Opinion

Solutions

For persistent or severe dry skin, in-clinic treatments at the Marr Clinic can provide significant relief and improvement. These treatments include:

Hydradermabrasion: Uses tiny micro-particles or crystals to exfoliate the skin, removing dead skin cells and promoting a healthy glow. It enhances the absorption of hydrating products
LED Red Light Therapy: A non-invasive treatment that uses red light to increase blood circulation and stimulate collagen production, leading to more hydrated and plump skin
NCTF Boost: A sterile complex formulation that nourishes the epidermis with 59 revitalizing vitamins, amino acids, minerals, anti oxidants and hyaluronic acid

Other Treatments and Strategies

Incorporate hydrating foods rich in linoleic acid and omega-3 fatty acids into your diet is a good strategy to manage dry skin. Examples of these foods include:

Salmon, mackerel, sardines
Flaxseed oil, nuts, seeds
Avocados

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DRY SKIN

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