Final answer:
A diamond tip microdermabrasion device is referred to as non-particle microdermabrasion. It uses a diamond-tipped wand for exfoliation, differing from crystal and particle microdermabrasion which use abrasive particles.
Step-by-step explanation:
A diamond tip microdermabrasion device is known as non-particle microdermabrasion. This technique uses a diamond-tipped wand to exfoliate the outer layer of the skin without the need for abrasive particles. In contrast, crystal microdermabrasion uses a spray of fine crystals to achieve a similar exfoliating effect. Hydradermabrasion, on the other hand, combines exfoliation with the infusion of serums. Lastly, particle microdermabrasion is a broader category that includes any microdermabrasion method using particles, which crystal microdermabrasion falls under.