What is the best product I can use to stiffen my hats?
What kind of hat - straw, felt, etc.?
For felt, chemical felt stiffener. For straw, chemical straw stiffener. For sinamay water based stiffener.
When using chemical stiffener be sure to only use it in the open wearing a good mask and while hats are drying keep in a well ventilated area.
Where do you buy these stiffeners from. Felt stiffeners and straw stiffener- any recommended brands?
It depends where you are located. Where do you need it shipped to?
Liquid chemical stiffeners can’t be shipped internationally. Torb and Reiner have introduced a new powdered stiffener that can be mailed.