1. Soap
กลีเซอรีน that can be made into a non-hard lump How do you want to increase the hardness? 2. The color used is a water-soluble food coloring, but it turns out that when you use it in the bathroom, you put it in the color to melt off the container. How should I fix it? Or change to which color instead? 3. Silver gitter sold in the myskinrecipes with sizes b, c,d to put in the soap
กลีเซอรีน should use a glitter. what size