Patent attributes
A weak acid bar soap including a body having N-long-chain acyl acidic amino-acid salt, water, and a transparentizing agent and having a shape which has at least base and side; a waterproof protective film attached to lower side surface of said weak acid bar soap. The waterproof protective film is a little bigger than said base of said weak acid bar soap and covers all of said base, extending to a lower part of said side continuously from said base, attached to said lower side surface of said weak acid bar soap to cover at least said lower part of said side, leading edge of said waterproof protective film and said side of said weak acid bar soap are clung tightly to nor make a gap, such that said base and said lower part of said side of said weak acid bar soap are not dissolved by moisture.