The VASILYOK and the VASILYOK-254 are offered in spray cans.
These compounds contain special luminescent marker, not visible under normal light.
Marks made with these compounds allow authenticating paper items.
Marks made with the VASILYOK can be found due to bright blue luminescence under ultraviolet light with the wavelength of 365 nm, the VASILYOK-254 - red or green luminescence under ultraviolet light with the wavelength of 254 nm.
The DISCO and the DISCO-254 markers are offered in cosmetic roller dispensers.
Dispenser contains transparent gel with special luminescent marker not visible under normal light.
Marker is applied by dispenser on skin or any other suitable surface.
Under ultraviolet light, the DISCO has blue luminescence (365 nm) and the DISCO-254 has red luminescence (254 nm).
The DISCO and the DISCO-254 markers are suitable for use at sport events, elections, discotheques, nightclubs, etc.
Marker is applied on visitors' hands.
It cannot be washed away during 2-3 days.