Hair Evaluation Method: Pull Test and Wash Test

January 2015 in “ Springer eBooks ”

Marcella Guarrera, Alfredo Rebora

pull test wash test telogen hairs non-scarring alopecias scarring alopecias telogen effluvium vellus hairs androgenetic alopecia hair pull test hair wash test shedding hairs non-scarring hair loss scarring hair loss excessive hair shedding short fine hairs male pattern baldness

Studysummary This chapter describes two simple, noninvasive methods — the pull test and modified wash test — which can diagnose and assess the severity of female hair loss, including conditions like telogen effluvium and androgenetic alopecia.

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research Setting Reference Values in Trichology

3 citations , October 2015 in “International Journal of Dermatology”

This study found that the vertex/occiput ratios of hair density and diameter in prepubertal children may serve as reference values to identify androgenetic alopecia with high probability.

research Methods of Hair Loss Evaluation: A Comparison of TrichoScan with the Modified Wash Test

14 citations , May 2013 in “Experimental Dermatology”

This study found that the modified wash test was generally more effective than TrichoScan® for diagnosing hair loss, particularly telogen effluvium, though both methods showed only fair concordance with clinical diagnosis.

research Patients With Profuse Hair Shedding May Reveal Anagen Hair Dystrophy: A Diagnostic Clue of Alopecia Areata Incognita

31 citations , October 2010 in “Journal of the European Academy of Dermatology and Venereology”

The authors concluded that some patients clinically diagnosed with telogen effluvium may actually have alopecia areata incognita, suggested by the presence of dystrophic hairs and development of alopecia patches.

research Assessing Hair Shedding in Children

14 citations , January 1999 in “Dermatology”

This study found that the wash test reliably measures hair shedding in children, with the number of shed hairs increasing with age and suggesting a potential early onset of androgenetic alopecia.