Loose Anagen Hair Syndrome

**Definition:** Benign childhood alopecia that improves spontaneously with aging. It is characterized by anagen hairs (misshapen hair bulbs and absent inner and outer root sheaths), thin, and sparse hairs that pulls out easily.

**Tree numbers:** - C17.800.329.937.122.348 - C23.300.035.500

**Synonyms:** - Loose Anagen Syndrome