Can you recommend a sweat-resistant tape for face mics (headworn mics)?

What adhesive tape can you recommend for taping microphones to singers' faces and around the back of their necks, etc.? Most tapes have been coming off due to sweat and make-up once the actor is under the lights.
Jennifer
Kilvington School, Australia

Reply: Try Hy-tape, 3M Nexcare waterproof bandages, or Band-aid Water-Block Plus bandages. They are available online or in the first-aid section of pharmacies.