Why Seborrheic Keratosis Develops

Close-up of a seborrheic keratosis lesion showing common causes including aging, genetics, sun exposure, skin cell overgrowth, hormonal changes, and friction.

Seborrheic Keratosis

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July 12, 2026

What Causes Seborrheic Keratosis? Common Triggers and Skin Changes

Seborrheic keratosis is one of the most common non-cancerous skin growths seen in adults, especially as they get older. Although…