Glucosomine Cream Useful?

My wife suffers from arthritis and recently saw a cream which contains MSM and glucosomine which I know are good in oral form but has anyone seen if the ingredients in a cream like this could permeate the skin and be useful?

Don’t know, but I’ve got a balm with the herbals arnica and comfrey which does seem to soothe joint pain and promote healing, as advertised.

Sorry I couldn’t answer the question, but this might be helpful nonetheless.