Magiclean Stain & Mold Remover is formulated with a strong penetrative foam formula that effectively get rids of black mold and stains in just 5 minutes! Just spray on and rinse, no scrubbing needed!High density foam penetrates and destroys mold in 5 minutes.The strong penetrative formula removes and wipes out stubborn stains and mold roots.It is suitable for bathroom walls, floor, tile gaps, washing basin, silicone part at shower door, drainage hole, shower curtain and toilet bowl.No more scrubbing!