Abstract
Objective: To assess occupational dermal exposure to permanent hair dyes in hairdressers.Methods: Dermal exposure was assessed in 31 hairdressers using a previously evaluated method, hand wash sampling with bag rinsing. The measurements were performed in hairdressing saloons during working hours. Hand wash samples were collected from each hand before start of the hair dyeing process, after application of the hair dye and after cutting the newly dyed hair. 13 of the hairdressers did not use gloves during application of the hair dye, and during cutting of the dyed hair no one used gloves. The samples were analysed for aromatic amines and resorcinol using an HPLC‐method.Results: After application of the hair dye PPD (p‐phenylenediamine) was found in samples from 1 hairdressers (148–185 nmol/hand), TDA (toluenediamine) in samples from 12 hairdressers (range 10–735 nmol/hand) and resorcinol in 22 individuals (range 19–769 nmol/hand). In the samples taken after cutting the dyed hair PPD was found in 2 hairdressers (range 36–358 nmol/hand), TDA in 14 (range 8–361 nmol/hand) and resorcinol in 20 (range 10–725 nmol/hand.Conclusion: Skin exposure to aromatic amines and resorcinol was detected in more than half of the hairdressers after application of hair dye and also after cutting newly dyed hair. To reduce exposure improved skin protection is important.
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