Is Varnish Smell Harmful?

The resins and solvents used in varnish are toxic if ingested. Many varnish products contain benzene, which is a known carcinogen that is highly flammable. The solvents in varnish are extremely pungent, and the fumes can cause drowsiness, headaches, skin irritation and dizziness.

Is it toxic to smell varnish?

Lacquer is a clear or colored coating (called a varnish) that is often used to give wooden surfaces a glossy look. Lacquer is dangerous to swallow. Breathing in the fumes for a long period is also harmful.

How long are varnish fumes toxic?

Overall, it is said that it takes a full 30 days for the floors to properly cure, which means this will likely be the duration of time that you deal with toxic fumes in the air space.