Switch to eco paints free from volatile organic compounds (VOCs) most brands now sell low VOC paint

Use water based gloss or eggshell rather than oil-based although some companies now use vegetable oils

Use plant based wax and varnish

Look for chalk based paints for furniture

Donate any leftover paint before it dries up!

We haven't used wallpaper in our house but there are non-toxic water-based inks and paper that is FSC (Forest Stewardship Council) certified