I blow on it
I highly recommend you do not do that. Peter Lederman of Soundsmith has said blowing on your stylus/cantilever can result in small particles of saliva build-up that attracts dust and can become hardened 'gunk'. They see this all the time when cartridges are sent for repair.
If you need to 'blow' on the stylus, get a handheld blow/bulb that photographers use, as example.