What Causes Dandruff on Eyelashes and How to Treat It

Eyelash flakes, commonly known as “dandruff on eyelashes,” are a frequent condition characterized by flaky or crusty debris at the base of the eyelashes. While bothersome, it’s generally manageable.

Understanding Eyelash Flakes

The medical term for this condition is blepharitis, which signifies inflammation of the eyelid margins. Blepharitis can manifest as red, irritated, and itchy eyelids, sometimes appearing greasy or crusted with scales clinging to the lashes. Individuals might wake with their eyelids stuck together or experience a gritty, burning, or stinging sensation in their eyes.

Blepharitis often affects both eyes and can be chronic. While usually not a threat to vision, its recurrent nature can significantly affect comfort. The condition can be categorized based on its location, with anterior blepharitis affecting the outside front edge where eyelashes attach, and posterior blepharitis impacting the inner edge of the eyelid that touches the eyeball.

Common Causes of Eyelash Flakes

Several factors can contribute to the development of blepharitis, ranging from microbial imbalances to skin conditions.

Bacterial overgrowth is a frequent contributor to blepharitis, particularly involving Staphylococcus species. An overabundance of these normally present bacteria can lead to inflammation, redness, and crusts along the eyelid border. This type often begins in childhood and can continue into adulthood.

Microscopic Demodex mites (Demodex folliculorum and Demodex brevis) are another cause. These mites can infest eyelash follicles, leading to irritation, inflammation, and debris accumulation. A distinct sign of Demodex-related blepharitis is the presence of cylindrical scales, often called “collarettes,” around the base of the eyelashes.

Seborrheic dermatitis, a skin condition characterized by an overproduction of oil, can also extend to the eyelids. This leads to flaky, sometimes greasy, debris similar to scalp dandruff, as irregular oil gland function causes waxy scales to accumulate along the eyelid margins.

Meibomian Gland Dysfunction (MGD) is a form of posterior blepharitis where the oil-producing glands within the eyelids become blocked or do not function properly. This dysfunction can lead to poor quality tears, inflammation, irritation, and eyelid flakes, also creating an environment favorable for bacterial growth.

Allergies can also trigger inflammation and flaking around the eyelashes. Reactions to cosmetics, such as mascara or eyeliner, or environmental irritants can cause contact dermatitis blepharitis. Such allergic responses result in irritated, swollen eyelids.

Managing and Preventing Eyelash Flakes

Managing eyelash flakes primarily involves consistent eyelid hygiene and avoiding irritants to reduce symptoms and prevent recurrence.

Applying warm compresses to the closed eyelids for 5 to 10 minutes helps soften crusts, loosen oils, and facilitate their removal. Gentle massage of the eyelids can then help express softened oils.

After warming and massaging, gently cleanse the eyelid margins. This can be done using a cotton swab or pad moistened with diluted baby shampoo or specialized eyelid cleansers. Products containing ingredients like hypochlorous acid or tea tree oil are also available and can be effective for removing bacteria and debris.

Avoiding certain eye makeup, especially during flare-ups, is advisable to reduce irritation and prevent contamination. If makeup is used, choose hypoallergenic, fragrance-free products and replace them regularly, especially mascara, to prevent bacterial buildup. For contact lens wearers, switching to glasses temporarily during treatment can also be beneficial.

Long-term management of blepharitis often requires a consistent daily routine. Even when symptoms subside, continuing a reduced cleaning regimen, such as once a day, can help prevent future flare-ups.

When to Seek Professional Advice

While many cases of eyelash flakes respond to home care, consulting an eye care professional is important in specific situations. A doctor can accurately diagnose the underlying cause and recommend appropriate medical treatments.

Seek professional help if symptoms persist despite consistent home remedies for a few weeks, or if they worsen. Increased redness, pain, swelling, or vision changes like blurring or loss, signal a need for prompt medical attention.

If unsure about the cause or suspect a more serious underlying condition, an eye care professional can conduct examinations, including a slit-lamp examination, and take swabs or eyelash samples to identify bacteria or mites. This helps tailor the treatment plan.

A doctor can prescribe medications such as antibiotic ointments or eye drops for bacterial infections, or oral antibiotics for more severe cases or those associated with skin conditions like rosacea. Anti-inflammatory drops, like steroid eye drops, may also be prescribed to reduce inflammation. In some instances, immunomodulatory drugs, such as topical cyclosporine, may be used.