Unless you purchase the specific cleaner disk from the manufacturer itself, it may not be a wise thing to use third-party cleaning products unless you’re an electronics engineer who knows what to do. The lens of a DVD drive is so sensitive any contaminant on it would surely result in errors but this would be next to impossible due to the fact the casing tends to protect the drive from such problematic dust.
The spinning motion of the disk itself creates a flow of air that prevents dust from getting onto the lens thus lessening the chance of it getting any dust onto it. Many off the shelf cleaners have brushes and may even have two of them, one for dry and one for wet cleaning. Wet cleaning may be the worst thing to use for it uses a liquid that is supposed to clean the lens which can destroy the coating of the lens itself leaving it fuzzy thus unable to read or write anything. The best approach to remove contaminants on a dirty pick-up lens would be to use a camera dusting brush that is gentle enough and has a bulb through which you can blow air gently across the lens to remove dust and other particulates.
WARNING: Should you decide to do maintenance on your drive, make sure it is unplugged for the laser will destroy your eyes even with the low power laser installed within. The drive is designed to prevent stray laser beams from getting out so removing the cover exposes you to hazardous laser energy.
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