So, you can treat your dry lips with sugar lip scrub as it is a big depository of skin -beautifying qualities if used topically on the skin as an exfoliating scrub. It has moisturizing properties that prevent the skin from drying and also unclogs the clogged pores and removes dead dry skin.
Lack means that something is missed or wanted, and thereof is an adverb which makes reference to something previously mentioned; it means of that or it.
verb (used with object), lost, losing. 1. to come to be without (something in one's possession or care), through accident, theft, etc., so that there is little or no prospect of recovery: I'm sure I've merely misplaced my hat, not lost it.