To clean and shine your window panes, Valmour proposes 2 solutions:
1 - The Crystal Windows spray permits cleaning, grease-removing and shining without leaving any marks. Environment-friendly product made with beetroot alcohol.
2 - The Meudon Whiting LOUIS XIII is a very fine-grained natural chalk which allows to clean and add shine to glass surfaces.
. Dilute 1 volume of Meudon Whiting LOUIS XIII in 3 volumes of water.
. Spread on the glass.
. Let dry.
. Wipe with a Cotton Cloth.