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.
A need is something that is necessary for an organism to live a healthy life. Needs are distinguished from wants in that, in the case of a need, a deficiency causes a clear adverse outcome: a dysfunction or death. In other words, a need. In other words, a need is something required for a safe, stable and healthy life (e.g. food, water, shelter) while a want is a desire, wish or aspiration. When needs or wants are backed by purchasing power, they have the potential to become economic demands.