For making bath bombs, start with a colorant whose supplier identifies the ingredient and explicitly supports bath-water use. Two useful options are Crafter’s Choice Bath Bomb Blue Powder Color, labeled Blue 1 Lake, and Bath Bomb Red Powder Color, labeled Red 40 Lake. Choose between them by your intended color. Both require attention to dispersion, dosage and batch documentation; neither is a promise of a stain-free bath.
This is a focused comparison of two cosmetic ingredient options, based on supplier directions and U.S. FDA color-additive guidance. We have not made or bath-tested these formulas. Before using either, check the supplied colorant label for its exact identity, intended uses and FDA batch-certification information.
Compare the two powder options
| Colorant and selected size | Useful choice for | What to plan for |
|---|---|---|
| Crafter’s Choice Bath Bomb Blue Powder Color, 2.5 gm | A blue bath-bomb colorant identified as Blue 1 Lake | Supplier calls for Polysorbate 80 in bath water; excessive color may stain |
| Crafter’s Choice Bath Bomb Red Powder Color, 2.5 gm | A red colorant identified as Red 40 Lake; white bases produce a paler result | Follow its own directions; do not assume the same quantity gives the same depth as blue |
1. Crafter’s Choice Bath Bomb Blue Powder Color
Bath Bomb Blue Powder Color is the straightforward choice here when your project calls for blue. Its ingredient listing is Blue 1 Lake, and the selected supplier option is 2.5 gm. The listing specifically includes bath water and calls for Polysorbate 80, which is a more useful buying detail than a generic craft or soap label.
The practical advantage is a small size for evaluating your recipe before buying more. The limitation is that this is still a powder to disperse in a finished formulation. The supplier warns that excess color can stain and advises testing the final product. Do not turn its promotional no-ring wording into a guarantee.
2. Crafter’s Choice Bath Bomb Red Powder Color
Bath Bomb Red Powder Color supplies the red option, with Red 40 Lake as its listed ingredient. This is also the selected 2.5 gm size. It suits a project that calls for red or a paler red effect in a white base, as described in the supplier’s directions.
The advantage is a named cosmetic colorant with explicit bath-water guidance. Its tradeoff is the same need to formulate and test carefully: Polysorbate 80 is specified, and too much color may stain. Choose it for the hue you want, not an assumption that it is gentler or more effective than the blue option.
Check the ingredient and intended use before buying
The FDA’s cosmetic color table lists Blue 1 and Red 40, including applicable lake forms, for general cosmetic use. This is ingredient-level permission with conditions. It does not approve a finished homemade bath bomb or verify the contents of a particular supplier shipment.
The underlying rules for Blue 1 and Red 40 specify identity, permitted use and certification requirements. Red 40 also has a restriction against conditions or oxidizing and reducing agents that impair the color additive. Use a supplier-supported cosmetic recipe; do not experiment with household chemicals to alter the shade.
Do not substitute resin color, craft glitter or a food-dye set based on a non-toxic or food-grade claim. The exact additive must be permitted for its intended cosmetic use. FDA also explains that external-cosmetic permission excludes lips and mucous membranes, so that phrase alone is not enough to qualify an unfamiliar bath ingredient.
Dispersion, staining and handling
A lake is not the same as a water-soluble dye. The FDA describes lakes as water-insoluble. For these products, follow the supplier’s dispersion instructions and Polysorbate 80 guidance. Treat the finished recipe’s appearance and clean-up as things to test, rather than assuming powder that looks evenly mixed will leave no residue.
Read the current product label and safety sheet before measuring powder. Both supplier listings instruct users to avoid inhaling dust and contact with eyes, wear gloves, a mask and eye protection, and keep the material away from children. Keep containers closed in a cool, dry place. These are formulation ingredients, not powders to apply directly to skin.
Frequently asked questions
What makes a colorant a reasonable bath-bomb choice?
Look for an exact ingredient identity, explicit bath-use instructions and documentation for the batch supplied. The two products above meet the first two buying checks on their listings; verify the batch label before use.
Can I use ordinary food coloring instead?
Do not assume food-use approval also establishes cosmetic suitability. Check the specific color additive’s cosmetic permissions and the supplier’s directions for that exact product.
Will lake colorants dissolve completely in water?
FDA describes lakes as insoluble in water. Think in terms of dispersing these powders in a supported formula, and follow the supplier’s bath-water instructions.
How much color should I add?
There is no universal scoop size for every color, recipe and batch. These supplier pages advise adding color gradually and testing the result. Follow a recipe developed for the exact colorant and record your quantities so you can evaluate the finished batch.
Does an FDA-permitted ingredient mean my batch is certified?
No. Permission for the color and certification of a particular batch are different checks. For colors requiring certification, FDA says to check the colorant label for the legal color name, FDA lot-certification number, and uses and restrictions.
