Dyes are water soluble, and lakes are water soluble. This means the way they are used is different. Dyes need to be "bloomed." To bloom a dye, they need to be added to a bit of water first. The water activates the dye. Add the activated dye to the baking soda used in your bath bomb recipe and allow it to dry. The baking soda can then be added to your other dry ingredients. The main advantage of using dyes is that they're super concentrated and have a heavier dye load. A little bit goes a very long way!
Lakes are a bit easier to use, but have a lower dye load. Lakes can be added directly to the dry mix and produce brilliant colors, but a bit more needs to be used than water soluble dye.
If you're using oils in your recipe, we recommend using polysorbate 80 when using lakes and dyes. Although they will not stain, polysorbate 80 still aids in the process of making the oils less slippery in the tub.
The dye load is stated in each product listing. We offer the highest strength of dyes and lakes we can find. Less of the product will need to be used in bath bombs to achieve saturated colors over those with lower dye loads.