case_images: PMC3262542_01
case_images: (a) A female with an allergic reaction to hair dye with severe hair loss on the scalp. This picture was taken 6 days after she had colored her hair. (b) The hair loss spread to approximately 90% of the scalp 2 months later. Partial white hair regrowth was also observed.
case_images: DERMATOLOGY2011-947284.001.jpg
case_images: PMC3262542_01_DERMATOLOGY2011-947284.001.jpg
case_images: fig1
case_images: The itching of the scalp started 1 day after the use of a hair dye containing PPD, and hair loss symptoms developed 6 days after the use of the hair dye (Figure 1(a)). Hair loss had spread to approximately 90% of the scalp 4 months later (Figure 1(b)).