The 2 week is used to create a smile line on those nails with 2 or more weeks of growth and thus the 4 week is for 4 or more weeks of regrowth.
Z carbides are designed for multi directional use.
The 2 week is used to create a smile line on those nails with 2 or more weeks of growth and thus the 4 week is for 4 or more weeks of regrowth.
Z carbides are designed for multi directional use.