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How to price bath bombs

Bath bomb ingredients are cheap, so packaging, cracked bombs and your time decide whether they make money. They're also fragile and absorb humidity, which affects storage and shipping.

1. Batch ingredients per bomb

Cost your recipe by weight: baking soda, citric acid, cornstarch or other fillers, oils and butters, fragrance, colorants, and any toppings. Total the batch, then divide by the number of bombs that come out whole. Cracked or crumbled bombs are a cost of doing business. Track your failure rate, especially on humid days.

2. Labor

Time weighing, mixing, packing molds, unmolding, drying, decorating and wrapping for the batch. Shaped or layered bombs take much longer than round ones, so price them separately.

3. Packaging and compliance

Shrink wrap or boxes, labels with ingredients, and packing that keeps bombs from breaking in transit. In the US, products marketed for cleansing or fragrance are generally regulated as cosmetics, with labeling rules. Making therapeutic claims can change how they're regulated. Check the FDA's current cosmetics guidance (and your country's rules) before selling.

4. Overhead

Molds, scales, gloves and dust masks for citric acid, storage containers, product liability insurance, and testing batches.

Platform and payment fees

Marketplaces usually take a percentage of each sale plus fixed per-order or per-listing charges, and payment processing is often separate. Fee schedules change, so read your platform's current fee page rather than trusting a number you saw once. Remember that fees are charged on the price the customer pays, so they grow as your price grows. Calculate them on your final price, not on your cost.

Choosing a markup

Once you know your true cost (materials + labor + overhead), multiply it to get a price. A common maker rule of thumb is wholesale at about 2× true cost and retail at about 2× wholesale, but that is a starting point, not a law. Check the result against what comparable products actually sell for, then decide whether your quality, story or speed justifies sitting above or below that range. If the price you need is far above what buyers pay, the fix is usually cost or time, not a smaller margin.

Worked example

Notice that the profit line comes after you've paid yourself for your time. That's the number that tells you whether this product is a business or a hobby.

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