Superb CDC oil for your dry flies from Marc Petitjean - King of the CDC, great fly tier and producer of high quality fly tying materials and tools! This CDC Oil absolutely indispensable floatant, without which any dry fly could hardly be imaginable.
This CDC floatant is used as a protecting “barrier” cream.
A drop on the body, wing or hackle of your flies will protect them from fish slime. The oil comes in a small bottle which can be attached to your vest where it is ready for immediate use!