PMD Beauty PMD Replacement Discs - Intense Body The yellow disc is the most intense disc and is made for our "die-hard" users. Ideal to buff and smooth out the roughest spots of the body. Replace discs every 3-4 uses. Fits any PMD Personal Microderm Device (not included). Discs are made of aluminum oxide. About Personal Microderm: Personal Microderm uses a patented spinning disc technology to deliver revolutionary microdermabrasion treatments and unmatched, brilliant results. The.