2. Ironically, a scissor is your friend. Although getting regular trims to snip splits won't make your hair actually grow faster, it will keep tips looking healthy and prevent splits from working their way up strands, requiring you to chop hair off more often.
Calgon has a unique formulation with active ingredients being polycarboxylates which softens hard water, preventing limescale from forming in the first place. It is not a descaler, it is purely a preventative-which means that the sooner you introduce Calgon into your daily washing routine, the better!
An n-gon is a polygon with n sides. A polygon is a 2-dimensional example of the more general polytope in any number of dimensions. The basic geometrical notion of a polygon has been adapted in various ways to suit particular purposes.