How high is the PPD sensitization rate in hairdressers?

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Posted by Catherine Cartwright-Jones on January 3, 2005 at 10:57:25:

Contact dermatitis in hairdressers: the Italian experience. By:
Guerra, L.; Tosti, A.; Bardazzi, F.; Pigatto, P.; Lisi, P.; Santucci,
B.; Valsecchi, R.; Schena, D.; Angelini, G.; Sertoli, A.; Ayala, F.;
Kokeli, F.. Contact Dermatitis, Feb92, Vol. 26 Issue 2, p101, 7p; DOI:
10.1111/1600-0536.ep11977892; (AN 11977892)

A multicenter study was performed in 9 Italian centers by members of
the GIRDCA, to evaluate the frequency and source of contact
sensitization in a group of 302 hairdressers with dermatitis.
Occupational habits and use of preventive measures were specifically
investigated both in these 302 hairdressers and in a further group of
240 hairdressers who answered a questionnaire. The results showed the
presence of an occupationally relevant sensitization in 60.9% of the
302 hairdressers. This proportion included 52 hairdressers who had
negative patch tests to the hairdressers series but showed positive
reactions to other allergens, such as nickel, rubber additives.
preservatives and fragrances. which were judged relevant to their
occupation. Among hair dyes, PPD caused 73 reactions (24.2%), PAP 32
reactions (10.6%), ONPPD 24 reactions (7.9%), and PTD 40 reactions (1
3.2%), A low incidence of sensitization was detected in our
hairdressers to resorcinol and pyrogallol (1.3% for each substance).
Among permanent wave allergens, positive reactions to GMTC were found
in 11.3% of patients. while ATG gave a lower rate of positive
reactions (5.0%), Allergic contact dermatitis due to APS was also
relatively common (11.3%), 4 hairdressers in this study gave a
positive reaction 30 min after a provocative test with latex gloves,
patch testing to the rubber series being negative. Enquiry regarding
preventive measures revealed chat the majority of hairdressers use
gloves when doing hair dyeing. but rarely use them for washing dyed
hair or for doing permanent waving. The infrequent use of preventive
measures by Italian hairdressers was confirmed by the results of the
questionnaire, and possibly explains the high frequency of skin
problems (12.5%) in the hairdressing population that was specifically
interviewed.

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How high is the sentization to PPD in hairdresser's clients? Catherine Cartwright-Jones 11:13:38 1/3/2005 (1)
- Amazing they still let the stuff be sold to the unsuspecting public! I gave a friend your website Maria 14:43:03 1/3/2005 (0)

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: Contact dermatitis in hairdressers: the Italian experience. By: : Guerra, L.; Tosti, A.; Bardazzi, F.; Pigatto, P.; Lisi, P.; Santucci, : B.; Valsecchi, R.; Schena, D.; Angelini, G.; Sertoli, A.; Ayala, F.; : Kokeli, F.. Contact Dermatitis, Feb92, Vol. 26 Issue 2, p101, 7p; DOI: : 10.1111/1600-0536.ep11977892; (AN 11977892) : : : A multicenter study was performed in 9 Italian centers by members of : the GIRDCA, to evaluate the frequency and source of contact : sensitization in a group of 302 hairdressers with dermatitis. : Occupational habits and use of preventive measures were specifically : investigated both in these 302 hairdressers and in a further group of : 240 hairdressers who answered a questionnaire. The results showed the : presence of an occupationally relevant sensitization in 60.9% of the : 302 hairdressers. This proportion included 52 hairdressers who had : negative patch tests to the hairdressers series but showed positive : reactions to other allergens, such as nickel, rubber additives. : preservatives and fragrances. which were judged relevant to their : occupation. Among hair dyes, PPD caused 73 reactions (24.2%), PAP 32 : reactions (10.6%), ONPPD 24 reactions (7.9%), and PTD 40 reactions (1 : 3.2%), A low incidence of sensitization was detected in our : hairdressers to resorcinol and pyrogallol (1.3% for each substance). : Among permanent wave allergens, positive reactions to GMTC were found : in 11.3% of patients. while ATG gave a lower rate of positive : reactions (5.0%), Allergic contact dermatitis due to APS was also : relatively common (11.3%), 4 hairdressers in this study gave a : positive reaction 30 min after a provocative test with latex gloves, : patch testing to the rubber series being negative. Enquiry regarding : preventive measures revealed chat the majority of hairdressers use : gloves when doing hair dyeing. but rarely use them for washing dyed : hair or for doing permanent waving. The infrequent use of preventive : measures by Italian hairdressers was confirmed by the results of the : questionnaire, and possibly explains the high frequency of skin : problems (12.5%) in the hairdressing population that was specifically : interviewed.
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