You may need to resort to a full face-mask respirator and a full-coverage Tyvek suit. Either that do a Tom Sawyer and convince your friends that working with epoxy is really a lot of fun. Since you seem to be sensitized, I would be very careful working around un-cured epoxy. The side effects could be BAD.

> I'm laying up my kayak right now and I'm hoping to fibreglass over the
> x-mas holidays. My problem is that I built a cedar strip canoe years ago
> and burnt my face quite badly with the fumes. Now it takes very little for
> my eyes to puff up and itch any time I mix up even a small batch of epoxy.
> I'm wondering if anyone has had any experience with barrier creams. There
> are some that purportedly protect against epoxy fumes.