- Seborrheic keratoses on the back
- Close-up of seborrheic keratoses
- Skin layers
- Skin layers and melanin
Seborrheic keratoses on the back
Seborrheic keratoses are very common on the back. They appear as waxy light tan, brown or black growths that look as if they were dripped onto the skin by a candle. Some can grow large, up to 1 inch (2.5 centimeters) across.