I don't know what information you are getting. There never has nor ever will be heroin in salvia. Salvia itself is its own psycoactive. Even if there was it wouldn't work if you smoked it since you have to put the flame directly on salvia and that would burn the H up. You have to vaporize heroin.
How long do pcp stay in ur saliva for a swab test
Forever
Don't do it!!!
Heroin can typically be detected in saliva for up to 24-48 hours after its last use. Detection times may vary depending on factors such as frequency of use, amount consumed, and individual metabolism.
Crack will stay in your saliva about 36-72 hours dependant on the amount
1 minute
5m hours
12 days
I must ask how would a dog's saliva get in your system
24 hours
just dont do it.
The drug Xanax does not stay in the saliva for more than 12 hours. If taking a saliva drug test the drug would not be detectable after 12-24 hours.