Denier is a French derived word, and is a unit of measurement of the weight of a specified length of engineered yarn. One denier equals one gram of yarn in weight that would make a 9 kilometer long thread. The numbers POH uses denotes the total estimated denier of the final construction.
Classic™ White Floss Is 490 denier Percept® 630 Black Floss Is 630 denier Percept® 420 Black Floss Is 420 denier
Available in NoWax™ or LiteWax™.
POH Classic In Between
POH 630 Thickest
POH 420 Thinnest
Here is a link to a pretty good explanation of the term. CLiCK
Cut to the chase and help me clean and keep my teeth!
POH is offering the same kit used by Preventive Dentists for over fifty years to teach THEIR patients how to avoid cavities and gum disease!