Pros: Best dye for cotton, rayons, linens, hemp and other plant based fibers. Best dye deep tub and garment dye colors. Darkest blacks on cellulose fibers. Vibrant wash fast permanent colors. Easy to use. Needs hot water.
Cons: With silks and wools, colors are still vibrant, but can shift and are not as permanent. Need to use with the proper chemicals. Do not work on synthetics. Needs hot water.