For consumers, moisturization, when describing a skin care product, is easy to define and understand.Moisturizers are products that help the skin to hold onto water allowing the skin to feel soft, supple and smooth.It is easy to envision the skin plumped with water as most people have seen the thin, drawn, cracked appearance of dry, thirsty skin.For hair, the idea of moisturization is a little harder to imagine, as hair described by consumers as moisturized is hair that has achieved its optimum ...