Hair Care - DermaAmin

Hair physiology 15
Blond 140,000
Brown 110,000
Black 108,000
Red 90,000
this section describes my approach to the patient with diffuse, nonscarring hair loss.
Pertinent questions are asked in logical order to arrive correctly at a diagnosis to initiate
appropriate treatment (Box 1.1). Scarring causes of hair loss are beyond the realm of this
text. 41
1. Is the hair loss due to external or internal causation?
The initial step in determining the type of hair loss experienced by the patient is to
determine whether the loss is due to internal causes that are medically treatable or
external causes that are cosmetically treatable. This can easily be determined by
examining the hair bulb under the microscope. The hair bulb is the remnants of the
structures of the
Box 1.1 Hair loss diagnosis algorithm
1. Is the hair loss due to external or internal causation? Examine shed hair bulb under
microscope for hair bulb morphology.
2. What is the magnitude of the hair loss? Gently perform 10 hair clump pulls
randomly throughout scalp.
3. Is hair breakage occurring? Have patient collect 4 consecutive days of hair loss and
place each day’s loss in a separate plastic bag, noting if the hair was shampooed on that
day on the outside of the bag.
4. Is there a treatable medical cause? Evaluate past medical history and review of
systems.