gj62
Contributor
Saliva is sterile - however, your mouth is not. As soon as the saliva enters your mouth, it is no longer sterile. So, it all depends where your mouth has been lately...
I've spit in my mask for over 20 years without issue (and I've dove with pres. lenses, soft contacts, etc) and never had an issue. However, different people have different sensitivities, so if you feel like saliva is causing problems (you do rinse it out, don't you?), the use one of the commercial products (any soap - toothpaste, shaving cream, baby shampoo - will do, best to let it dry overnight and rinse well)...
I've spit in my mask for over 20 years without issue (and I've dove with pres. lenses, soft contacts, etc) and never had an issue. However, different people have different sensitivities, so if you feel like saliva is causing problems (you do rinse it out, don't you?), the use one of the commercial products (any soap - toothpaste, shaving cream, baby shampoo - will do, best to let it dry overnight and rinse well)...