What are Anti-THC Saliva Sprays?
The products work by altering the pH in the mouth.
The introduction of rapid tests for the detection of THC in saliva has become common practice in many countries, especially during road checks carried out by law enforcement. This has led to the emergence of "license-saving" products such as saliva sprays, which promise to quickly lower the level of THC in saliva and, consequently evade detection. What exactly are these sprays, how do they work, and above all, are they safe?
Anti-THC saliva sprays are products that can be sprayed directly into the mouth. Manufacturers claim that these sprays act on the chemical composition of saliva to neutralise or temporarily reduce the concentration of THC detectable by drug tests. Some are advertised as instant solutions to avoid testing positive for drugs. The products work by temporarily altering the pH in the mouth.
What are Anti THC Sprays Made of?
Common ingredients in these sprays include:
Astringents: These include citric acid or other agents that alter the pH of saliva to make it less favourable for detecting THC.
Natural extracts: including peppermint or essential oils, which mask any residue.
Chemical cleaners: These may work to remove surface traces of THC.
Sugars or sweeteners: These are used to improve flavour and neutralize chemical odours.
When combined, these ingredients promise to provide a temporary effect that would prevent saliva tests from detecting cannabinoids.
How Do You Use an Anti THC Spray?
Using THC sprays is generally simple, just spray the dosage amount into your mouth a few minutes before a potential saliva test. Leave it for a short time, without ingesting any liquids or food.
According to manufacturers, the effect is immediate and can last 30-60 minutes. Some suggest using them alongside brushing your teeth to maximise their effectiveness.
Are Anti-THC Sprays Safe?
The safety of these products is still not fully clear. Although many sprays are marketed as "natural" or "non-toxic," the lack of regulation and independent scientific studies makes it difficult to assess their long-term health impact. Some people have reported minor side effects such as:
Oral irritation, temporary changes in taste, dryness or burning in the mouth. In some cases, prolonged or repeated use may damage the mucous membranes or alter the balance of oral bacteria. Furthermore, the not-always-clear chemical composition could hide potentially harmful ingredients in case of allergy.
Do Anti THC Sprays Work?
The question of effectiveness is the most debated. At the moment, there is no solid scientific evidence that confirms saliva sprays' ability to evade THC tests. The saliva tests used by the police are designed to detect traces of THC at very low levels, often in the order of nanograms. The sprays could temporarily mask the presence of THC in some cases, but they do not eliminate the cannabinoid from the body, which continues to be present in the blood, urine, and tissues.
Furthermore, more sophisticated or repeated tests could still identify the presence of suspicious substances. Anti-THC saliva sprays can therefore help in case of tests but there is no certainty of their actual effectiveness which varies depending on the product, the metabolism of the person and the amount of THC present in the body.
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Liz Filmer
