Learn About Treating Milia on Your Face

Understanding What Milia Are and How They Form

Milia are small, white or yellowish bumps that appear on the skin, typically measuring 1 to 2 millimeters in diameter. They often look like tiny pearls or grains of sand beneath the skin's surface. These bumps are filled with keratin, a protein naturally produced by your skin. While milia are completely harmless and painless, many people seek to remove them for cosmetic reasons.

Milia form when keratin becomes trapped beneath the skin's outer layer, called the epidermis. This happens when dead skin cells fail to shed properly or when the skin heals over a pore without fully clearing it. Unlike acne, milia are not caused by bacteria or clogged oil glands. They are not contagious and cannot spread from person to person.

There are two main types of milia. Primary milia occur spontaneously without an obvious cause and can appear anywhere on the body, though the face around the eyes, cheeks, and nose is most common. Secondary milia develop as a result of skin injury, such as from burns, chemical peels, laser treatments, or prolonged sun damage. Secondary milia may persist for weeks or months as the skin heals.

Milia are extremely common and affect people of all ages and skin types. Newborns often develop milia in their first weeks of life, typically disappearing within a few weeks without treatment. Adults can experience milia at any point, with some people more prone to developing them than others. Research indicates that approximately 40% of adults experience milia at some point in their lives.

Practical Takeaway: Milia are benign skin conditions caused by trapped keratin and are not related to poor hygiene or acne. Understanding that they are harmless can help you decide whether treatment is necessary for you.

Risk Factors and Causes Behind Milia Development

While milia can develop in anyone, certain factors increase the likelihood of their appearance. One significant risk factor is skin type. People with naturally dry or sensitive skin tend to develop milia more frequently because their skin may not shed dead cells as efficiently. Those with oily or acne-prone skin can also develop milia, though often in different locations.

Sun damage is a major contributor to milia formation in adults. Prolonged UV exposure damages the skin's elastic fibers and can prevent proper skin cell turnover. This is why milia often appear on areas frequently exposed to the sun, such as the face, neck, and chest. People who spend significant time outdoors without sun protection face higher risks of developing sun-related milia.

Certain skincare and cosmetic procedures can trigger secondary milia. These include:

• Chemical peels and laser resurfacing treatments
• Dermabrasion procedures
• Severe sunburns or thermal burns
• Steroid cream overuse on the face
• Heavy makeup or occlusive skincare products that prevent proper skin breathing

Age is another consideration. While newborns commonly develop milia, the condition typically resolves without intervention. Adults who develop milia may find them more persistent, particularly if associated with sun damage or other chronic skin issues. Additionally, some medications and medical conditions can influence milia formation. Certain autoimmune disorders and genetic predispositions may make some individuals more susceptible.

Lifestyle factors also play a role. Consistent use of heavy facial creams, especially around the delicate eye area, can trap keratin and contribute to milia development. Not removing makeup thoroughly before bed, sleeping in makeup, and using products unsuitable for your skin type all increase the risk. Environmental factors like pollution and dry climates may also contribute.

Practical Takeaway: Identifying your personal risk factors—such as sun exposure, product use, or recent skin procedures—can help you take preventive steps and understand why milia may be appearing on your face.

At-Home Skincare Approaches and Prevention Strategies

While milia cannot be removed at home like a pimple, certain skincare practices may prevent new ones from forming and encourage existing milia to resolve over time. The foundation of any anti-milia routine is gentle, consistent cleansing. Wash your face twice daily with a mild, non-comedogenic cleanser that removes dead skin cells without stripping your skin's natural moisture. Lukewarm water is preferable to hot water, which can irritate the skin and disrupt its protective barrier.

Exfoliation is particularly important in milia prevention. Physical exfoliants like gentle scrubs used 2 to 3 times weekly can help remove dead skin cells that might otherwise become trapped. Chemical exfoliants containing alpha hydroxy acids (AHAs) or beta hydroxy acids (BHAs) offer another option. Glycolic acid and lactic acid are AHAs commonly found in gentle products, while salicylic acid is a popular BHA. These work by dissolving the bonds between dead skin cells, promoting healthier skin turnover. Start with lower concentrations and use 2 to 3 times weekly to avoid over-exfoliating.

Moisturizing properly is equally important. Many people believe that avoiding moisturizer will prevent milia, but this is incorrect. Dehydrated skin can actually lead to improper cell shedding. Choose lightweight, non-comedogenic moisturizers. Look for products labeled "non-comedogenic" on the packaging, meaning they will not clog pores. Ingredients like hyaluronic acid, glycerin, and niacinamide provide hydration without heaviness. Apply moisturizer to damp skin immediately after cleansing to lock in water.

Sunscreen is critical for preventing sun-related milia. Daily application of broad-spectrum SPF 30 or higher protects against UV damage that accelerates milia formation. Look for lightweight sunscreens formulated for the face rather than body sunscreens, which tend to be heavier. Reapply every two hours when spending extended time outdoors. For the eye area, use products specifically designed for that delicate skin—eye creams formulated to be less occlusive than full-face moisturizers.

Additional prevention strategies include removing all makeup before bed, avoiding heavy creams on the face (particularly around the eyes), and being mindful of product ingredients. Avoid products containing heavy oils or silicones if you are prone to milia. Instead, opt for gel-based or water-based formulations. Keeping your hands away from your face reduces the introduction of bacteria and oils that might contribute to skin issues.

Practical Takeaway: A consistent routine incorporating gentle cleansing, appropriate exfoliation, lightweight moisturizing, and daily sun protection addresses multiple factors that contribute to milia formation and supports overall skin health.

Professional Treatment Options Available for Milia Removal

When at-home approaches do not resolve milia, several professional treatments administered by dermatologists or licensed skincare professionals can effectively remove them. The most common procedure is extraction by a dermatologist. This involves using a sterile needle or specialized extraction tool to create a small opening in the skin and gently remove the keratin-filled core. This procedure is quick, typically taking only a few minutes, though results are immediate. The area may be slightly red temporarily but usually returns to normal within hours to a day.

Chemical peels represent another professional option. These treatments use concentrated acids to remove the outer layers of skin, encouraging new skin growth and helping to dislodge trapped keratin. Light to medium chemical peels can be effective for milia, particularly those in clusters. Glycolic acid peels and salicylic acid peels are commonly used. Multiple treatments spaced two to four weeks apart may be necessary for complete resolution. Recovery typically involves mild redness and potential peeling for a few days.

Laser treatments have become increasingly popular for milia removal. Several types of lasers can be used:

• Ablative lasers like CO2 and erbium lasers vaporize the outer skin layers and are highly effective but require more recovery time
• Non-ablative lasers stimulate collagen remodeling and skin renewal with minimal downtime
• Fractional lasers treat only a fraction of the skin at a time, balancing effectiveness with reduced recovery