Ten of 13 PPD-positive patients for whom PTDS hair dyes were recommended subsequently used a PTDS hair dye, and all tolerated these products. Conclusion: Fifty-seven percent of patients allergic ...

Analysts at Jefferies have previously suggested it could make between $250 million and $500 million a year as a PPD product. The deal with Talkiatry opens up a network of psychiatrists that offer ...

A PPD skin test, also sometimes called a tuberculin ... advice regarding the purchase or use of any insurance or insurance products. Healthline Media does not transact the business of insurance ...

The vast majority of reactions to hair-dye products are caused by PPD. [4–6] In past years, PPD was used in permanent hair dyes but not in semipermanent dyes. More recently, PPD has been used in ...