TA is intended for topical use only. TA isMAGIC SKIN ownproprietary peel. Theconcentration you use is up to you however anything above 70% TA must bediluted. Properprecautions should always be taken, including patch testing, having first aidand neutralizer available, and keeping this product away from children, pets,the disabled, elderly, as well as anyone else who may be ill-prepared to takecare of themselves if an accident should occur.