Thread Cements

[barefoot]

I tie mostly saltwater jigs and have used many products for head cement. Most are a PITA. Only one is simple, effective, durable and inexpensive.
Sally Hansen Hard as Nails Hardener - clear.
A few tips:
A fresh bottle will penetrate very well but don't throw away the thickened bottle as it is great for sealing / coating threads. I usually use both when tying large heads.
Cut or shorten the brush in half and it will be more manageable.
Use a Wapsi applicator bottle for fine work.
Thin with a few drops of acetone if needed.