Leather
Sunlight is the main source of discolouration of leather
Clean your sofa every 3 to 6 months
Use soft, dry cloth to wipe off the stained area
Wood
Dust frequently to remove airborne deposits that build up in a firmly layer scratching the surface
Avoid wiping wood with water. However, sticky spots may need to be treated with soap and water.
1st: Dip the cloth in mild soap or detergent dissolved in water, squeeze the cloth nearly dry, wipe the area
2nd: Rinse and immediate dry with a clean,soft cloth.
Most commercial spray and liquid furnitures polished contain silicon oil, providing minimal protection.Residues can interfere with refinishing and may need professional attention
Glass
Remove hard stains: rub the stains with salt water
Remove tough hard stains: add ammonia to your cleaning solution