Soap Label Requirements (US, 2026): what's actually required
Handmade soap labeling confuses makers because two different agencies can own your bar, depending on what it is and what you say about it. Here is the decision that determines everything else:
1. Is it “true soap” — or a cosmetic?
Under 21 CFR 701.20, your product is exempt from FDA cosmetic rules only if all three hold:
- The bulk of the nonvolatile matter is alkali salts of fatty acids — i.e., what you get when lye saponifies fats/oils;
- Those alkali salts are what give it its cleaning action;
- It is labeled, sold and represented only as soap.
Meet all three and your bar is regulated by the Consumer Product Safety Commission (CPSC) under the Fair Packaging and Labeling Act — not by FDA. Melt-and-pour bases and syndet (“detergent”) bars generally do not qualify.
2. The claims trap: one word flips you to FDA
Say the bar “moisturizes,” “deodorizes,” “exfoliates,” or is for aromatherapy, and it is legally a cosmetic (intended to beautify or alter appearance) — the soap exemption is gone and full FDA cosmetic labeling applies. Say it “treats eczema,” “kills bacteria,” or has SPF, and it is a drug, which needs OTC drug labeling — a different world entirely. FDA's own Soap FAQ spells this out.
3. What a TRUE SOAP label needs (CPSC / FPLA)
- Identity — the word “soap” / what the product is, on the front panel;
- Net weight — dual units, e.g. Net Wt 4.5 oz (128 g);
- Business name & address — manufacturer, packer or distributor.
An ingredient list is optional for true soap. If you print one anyway (buyers like it), it must be truthful — and most makers follow the cosmetic format conventions.
4. What a COSMETIC soap/bar label needs (FDA)
- Identity statement on the principal display panel (21 CFR 701.11);
- Net quantity in the bottom 30% of the front panel, with minimum type size scaled to label area (21 CFR 701.13);
- Ingredient declaration in descending order of predominance; ingredients ≤1% may follow in any order; color additives last; fragrance may be declared simply as “Fragrance” (21 CFR 701.3);
- Name & place of business — with “Distributed by…” / “Manufactured for…” if you don’t make it yourself (21 CFR 701.12);
- MoCRA contact — since Dec 29, 2024, a US address, US phone, or website/email able to receive adverse-event reports (FD&C Act §609(a)). The small-business exemption does not cover this label requirement;
- Warnings where applicable — notably, if you haven't adequately substantiated the product's safety, 21 CFR 740.10 requires: “Warning—The safety of this product has not been determined.”
5. Colorants are their own minefield
Anything added to impart color must be an FDA-approved color additive (21 CFR Part 73). Iron oxides, micas, titanium dioxide and zinc oxide are broadly approved; ultramarines and chromium greens are not allowed in lip products. Botanical powders (turmeric, spirulina, indigo) are not approved color additives at all — a genuinely common violation in handmade products.
Generate it instead of memorizing it
The Inkurate generator applies every rule above to your recipe — classification, INCI ordering, warnings, net-contents formatting, the MoCRA line — and cites the regulation for each element. The preview is free.