Lanolin spray is a great addition to a regular lanolization, or to touch up the wetzone between full washes/lanolizing. Spray lanolin is not a substitution for lanolizing.
From Bee Green Naturals:
Need some extra protection in the wet
zone or in a rush and just need to do a quick lanolizing? This is a
great quick way to get that lanolin right where you need it.
Use: Simply spray where you need it from a distance of about 6-8 in.
away. (Be sure to mix up your bottle a little first, some minor
seperation is normal.) Then pat it into the wool a little with your
hands and allow it to dry.
For even better protection, spray inside out.
Scent info can be found here