FD&C Blue No. 1 Granules
CI42090
Pure dye content: 88% minimum
This is a highly concentrated, water soluble dye and only a small amount is required for a dramatic effect.
Very suitable for colouring bath bombs, bath salts & bubble bars as (when used correctly) it colours the water, not the bath, and does not require the addition of polysorbate 80.
Recommended usage rate is 1/8th teaspoon per cup of baking soda.
Also suitable for colouring liquid soap.
Not recommended for CP soap.