Xeroderma Treatment – How to Treat Dry Skin

What Is Xeroderma?

Xeroderma (also spelled xeroderma) is a condition characterized by abnormally dry skin caused by a lack of moisture and skin lipids. Affected skin appears rough, scaly, and tight, and can cause significant itching. Xeroderma may occur as a standalone condition or as a symptom of underlying diseases such as atopic dermatitis, psoriasis, or thyroid disorders.

Causes of Xeroderma

Dry skin can have many causes. The most common include:

• Genetic predisposition: A family tendency toward dry skin is common.
• Environmental factors: Dry air, cold temperatures, wind, and UV radiation damage the skin barrier.
• Frequent washing: Excessive bathing or showering with harsh soaps strips the skin of moisture and natural oils.
• Age: As people age, the skin produces less sebum and retains less moisture.
• Underlying conditions: Diabetes mellitus, kidney disease, hypothyroidism, and skin conditions such as atopic dermatitis or ichthyosis can cause xeroderma.
• Medications: Certain drugs, such as diuretics or retinoids, can dry out the skin.
• Nutritional deficiencies: Lack of vitamins (e.g., vitamin A, E) or essential fatty acids can impair skin health.

Symptoms of Xeroderma

Typical signs and symptoms of xeroderma include:

• Rough, scaly, or cracked skin
• A feeling of tightness or pulling in the skin
• Itching (pruritus), which may worsen at night or after washing
• Redness and mild inflammatory reactions
• In severe cases: eczema or painful skin fissures

Diagnosis

Xeroderma is primarily diagnosed through a clinical examination by a dermatologist or general practitioner. The doctor evaluates the condition of the skin and asks the patient about lifestyle habits, skincare products, and possible underlying conditions. If an underlying disease is suspected, blood tests (e.g., thyroid levels, blood glucose, kidney function) or a skin biopsy may be ordered.

Treatment of Xeroderma

Treatment of xeroderma depends on the cause and severity. The primary goal is the restoration and maintenance of the skin barrier.

Basic Therapy: Moisturizing and Replenishing Skin Lipids

The most important measure is the regular use of emollients – moisturizing and skin-replenishing care products. These often contain the following active ingredients:

• Urea: Binds moisture in the skin and acts as a keratolytic agent (loosens skin scales). Typically used in concentrations of 5–10%.
• Glycerin: Draws moisture from the environment into the skin and improves barrier function.
• Ceramides: Natural lipid molecules that structurally strengthen the skin barrier.
• Lactic acid and other alpha-hydroxy acids: Bind moisture and promote skin renewal.
• Plant oils and shea butter: Replenish lipids and prevent moisture loss.

Medical Treatment

For inflammatory reactions or severe itching, the following treatments may be used:

• Topical corticosteroids: Used short-term for inflammation and eczema.
• Calcineurin inhibitors (e.g., tacrolimus, pimecrolimus): Anti-inflammatory alternatives to corticosteroids, especially for sensitive skin areas.
• Antihistamines: Oral antihistamines can help relieve severe itching.

Treatment of Underlying Conditions

If xeroderma is caused by an underlying condition (e.g., diabetes mellitus, hypothyroidism, or kidney disease), treating the root cause is essential for lasting improvement of skin dryness.

General Skincare and Lifestyle Tips

• Prefer short, lukewarm showers or baths – hot water strips skin of natural oils.
• Use gentle, pH-neutral, and moisturizing cleansing products.
• Apply moisturizer immediately after showering, within 3 minutes of patting the skin dry.
• Avoid synthetic clothing; opt for soft, breathable fabrics such as cotton.
• Drink adequate amounts of water (at least 1.5–2 liters per day).
• Use a humidifier indoors during dry winter months.
• Maintain a balanced diet rich in essential fatty acids (omega-3, omega-6), vitamin A, and vitamin E.

Professional Skin Care and Dermatology

For severe or treatment-resistant xeroderma, care by a dermatologist is recommended. Specialized skin clinics may also offer treatments such as phototherapy (UV therapy) or individualized formulations prepared by a compounding pharmacy.

Prevention

Xeroderma can be effectively prevented through consistent skincare, appropriate moisturizing products, and avoidance of triggering factors. Skincare routines should be intensified particularly during the winter months.

References

1. German Dermatological Society (DDG): Guidelines for the treatment of atopic dermatitis and dry skin, 2023.
2. Proksch E. et al. – The skin: an indispensable barrier. Experimental Dermatology, 2008; 17(12): 1063–1072.
3. Meckfessel MH, Brandt S. – The structure, function, and importance of ceramides in skin and their use as therapeutic agents in skin-care products. Journal of the American Academy of Dermatology, 2014; 71(1): 177–184.