Why does white paint turn yellow?
If its oil based gloss,eggshell or satinwood ,its the solvents used in making them that turn the paint yellow with age.Their are many good water base products now available .Dulux trade do a couple of products,aqutec gloss or quick drying eggshell,they are both as hard wearing as the solvent base product but also have the added advantage of being low Oder and better for the environment.