These products only work well if they can penetrate low enough in the hair follicle where the bundle of nerves are that surround the follicle. It's a crapshoot for some who try topical anesthetic's.
The newer generation of professional epilators offer pretty darn comfortable/tolerable levels that will still devastate the hair growing tissue so that one really doesn't need topicals at all when being treated.
Dee Fahey, R.N., C.T.
Licensed by the State Medical Board of Ohio for Nursing license and Cosmetic Therapy/Electrolysis license
British Institute & Association of Electrolysishttp://www.electrolysis.co.uk/?page_id=16
Do not give up, the beginning is always the hardest.