It is not necessary to wear protective clothing, however, you can when using Bifen IT. It is recommended that you keep your pets and children out of the area until the product has dried completely. It is safe to return to the area once the product has dried completely. Please check the SDS for any additional information regarding carcinogenic.
Per the product label, you are to "Take off contaminated clothing, rinse skin immediately with plenty of water for 15-20 minutes, and if needed be contact a poison control center or doctor for treatment advice."