No Harm -- The main ingredients are sodium hypochlorite and sodium hydroxide. No harm, safe to use. Only need to keep indoor ventilation when using. Fine Design -- The mould removing gel features the efficient mold removal and clean-up, squeeze tip design, easy and comprehensive application, rapid and effective mold removal in 3-5 hours, thus making mold removal easier. Powerful Function -- The mould magic gel features the permeable sterili-zation, solution at the source, and it features the transparent gel-like shape, and it penetrates into the roots of mold to quickly decompose, and it can eliminate mold spots. Practical in Use -- The mold remover gel can add bacteriostatic agent for continuous protection, which can inhibit the growth of mold, and the mould removing gel features the long-term mold resistance. Wide Applications -- The mould magic remover gel is very suitable for removing mil-dew stains. The thick gel adheres and penetrates to the stains on tiles, grout, showers and bathtubs without generating heavy smoke or excessive splashing. It is effective on a huge range of surfaces including; tiles, plaster, furniture, shower, toilets, sink.