Expensive products are not always the best ones, and looking at what others have to say can prevent you from wasting your time.ProNutra Smooth Skin Make sure that you focus on quality during the process of exfoliation. Aim for a longer, yet gentle exfoliation, and do so regularly. Simply because the word "scrub" is used when describing this treatment does not mean you need to be too rough with your skin and harm it.ProNutra Smooth Skin If you have a cold sore, do not pick at it.