Blue dye glycerin soap

INCI: Aqua - Phenylpropanol - CI 42090

How to use:
1 - Heat and dissolve the desired base glycerine.
2 - Add the amount of drops needed to obtain the desired color. Always less amount to more amount.
3 - Stir to achieve a uniform color.

Observations:
The color depends on the desired dose of glycerin added to the dye. The more intensity want more dye will be needed.