點解白蘑茹洗水後會變色？

Hi, it is because 白蘑茹 has a lot of water inside and it can absorb water at once/so fast, just like the sponge, then it will change the colour to be darker. For my suggestion, only uses a little wet towel to clean the surface of 白蘑茹, it is enough.

洗得唔乾淨~! / 比人染左色，洗完出返原本的色!