These lesions are often discovered incidentally—during a skin check, while tanning, or in photos.
Common Causes (Mostly Benign)
1. Pityriasis Alba
Who it affects: Children and teens, especially those with eczema
Appearance: Pale, slightly scaly patches on face, arms, or upper trunk
Cause: Mild eczema + sun exposure (patches don’t tan)
Treatment: Moisturizers; resolves on its own over months
2. Post-Inflammatory Hypopigmentation
After: Eczema, psoriasis, burns, acne, or injury
Appearance: Smooth, pale areas where inflammation once was
Note: More noticeable in darker skin tones
Treatment: Usually fades over time; sun protection helps
3. Tinea Versicolor (Pityriasis Versicolor):
