teak
There is lots of info about this in the archives, I used the oil cleaner/ oil ,stuff for years , it does not last long, I always removed my teak to keep the stuff off of the fiberglass, now I usually use cetol, like some one else said some people dont like the look of it, but, I can remove teak every other year sand and put several coats of cetol on then not worry about it for 2 more years I do it in the winter when I want to do someting relevan to sailing and cant , then when I can sail I am not doing teak , good Luck Mike B