The more important of those in use to-day are carbolic acid, the perchloride and biniodide of mercury, iodoform, formalin, salicylic acid, &c. Carbolic acid is germicidal in strong solution, inhibitory in weaker ones.

Ultra-violet germicidal irradiation purifiers: Air is routed to pass through a UV lamp, which destroys microorganisms.

hydrogen peroxide mouth rinse is germicidal and will remove debris and crusts.

UVA is sometimes called "black-light"; while UVC is sometimes called "germicidal."