Well, this chemical now commonly appears in shampoo !!!!! I used to find one from H2O(plus) but they don't produce that type anymore now !!!!! You can't avoid this as it also appears in most floor cleaning agents.
Please do not quote any information posted by fungwongphie. 不誠實使用電腦會構成罪行,切勿以身試法。 何謂不誠實使用電腦??