If the essential oil diffuser is powerful, aromatic molecules remain suspended in the atmosphere long after the broadcast. That is why it is useless to oversaturate the parts spreading constantly. Although we do not feel the most, the microparticles are there and, as we breathe continuously, we benefit from their virtues continuously!
You should not diffuse too close to people, the more so if they are young children. It depends again on the frequency and power of the diffuser.
With a good diffuser, one quickly feels then we forget. It is important to keep in mind that an electric essential oil diffuser is not so much designed to broadcast a pleasant fragrance that continues to purify the air in depth. A