II. Definition
- 
                          Vellus Hairs- Non-pigmented fine "peach fuzz" hair covering body
- Found in children and adults
 
- Hypertrichosis is an increase in vellus Hair Growth- Not androgen dependent (contrast with Hirsutism)
 
III. Causes
- Medications
- Underlying disease
- Congenital syndromes- Hurler's Syndrome
- Trisomy 18
- Fetal Alcohol Syndrome
 
- Normal states- Advanced age
- Ethnic background
- Pregnancy
 
IV. Differential Diagnosis
- 
                          Hirsutism
                          - Excessive androgen-dependent pigmented Hair Growth
 
