בביקורות ובבדיקות שונות, כל המומחים מסכימים ש:

“... Excellent … a little dab’l do ya’ ... “ - 100 Best buys, Dec ‘93, Guitar player Magazine

“... Bring even a well-worn battle ax back to near-original luster …“ - Sound Effect Dept. – BAM Magazine

“... One application … on your entire guitar including the fretboard without worry …“ - Music Connection Mag

“...Even milky finishes improved noticeably…“ - 20th Century Guitar Magazine

“...Dr. Duck’s..did an excellent job creating a clean, smear and swirl-free finish..even..the..chrome…“ - Guitar Shop Magazine

”It turns out that Dr. Duck works great on fretboards. It cleans the grime and restores the woods natural beauty. Ed Roman recommends Dr. Duck’s Ax/Wax, especially for your Rosewood fretboards, though it works well for Ebony as well.“ - Ed Roman, Ed Roman Guitars.

“...Works equally well on metal, finished woods and plastic..what I didn’t expect was its transformation of dings and dents into authentic beauty marks…“ - Whole Earth Review

“...Dealer demand and ongoing personal harrassment of the infamous Dr. Duck himself, have resulted in the introduction of new POP counter displays for the promotion of Dr. Duck’s Ax Wax & String Lube…“ - Up-Beat Daily