Less Fume . No separation, so you don’t need to shake it.  (bonding point is softer than other glues)
▶For professional, Less Fume, fast dry 
▶Dry time : 1sec
▶Lasting time : 6~7weeks
▶Color : Black
It is improved version of Expert glue
infinite PLUS bond are more pure based germany ingredients.
also, black pigment is liquid type(instead of powder type) so, you don't need to shake well for this glue like expert glue, royal care glue, procling glue . 
Since  ingredients is more pure, retention is improved. so retention is longer than expert glue