There's something called Perma-Blood....hang on...here are a couple sites:
www.dappercadaver.com
www.wardrobesupplies.com
And here's a review:
Perma-Blood
Professional quality permanent blood paint. Use on props & costumes for a permanent high gloss bright red blood look. DOMESTIC US SHIPPING ONLY.
www.dappercadaver.com
Perma Blood
Download Safety Data Sheet The basics Perma-Blood is the haunt industries' best blood paint period. The benefits Perma-Blood dries bright red and glossy to always appear fresh. It dries completely tack free and is flexible and waterp
www.wardrobesupplies.com
And here's a review:
