With a composition identical to Galtane hardening oil, but with a small amount of white pigment added, the Lightening Backing will keep the light wood color clear on floors, stairs, furniture ... Finish with Hardening Oil, even with the Lightening Background to accentuate the clarity of the wood.
1 or 2 layers, drying time: 12-24h
More info:
NL : https://www.galtane.com/nl/houtbescherming/79-242-verhelderende-olie-verhelderende-grondlaag.html