What to Look for in a CLP Label Generator
Free CLP label generators exist, but not all of them actually help you create a compliant label. Some generate a template with the right layout but leave classification entirely to you. Others lock you into a single product category or a single supplier's ingredient catalogue.
If you're evaluating tools for your candle, wax melt, or home fragrance business, here are the seven things that separate a genuinely useful CLP label generator from one that just looks the part.
This guide applies to GB CLP requirements. It is not legal advice.
1. It Classifies, Not Just Formats
The hard part of CLP labelling isn't the layout — it's the classification. You need to determine which hazard categories apply to your specific formulation at your specific concentrations. A good label generator handles this calculation for you based on your ingredients and their Safety Data Sheet data.
A tool that only provides a template with blank fields for hazard pictograms and statements saves you a trip to a graphic designer, but it doesn't help you work out what goes in those fields. You still need to perform the full classification process yourself.
What to check: Does the tool ask for your ingredients and concentrations, or does it just ask you to select pictograms from a dropdown?
2. It Works Across Product Categories
Most free CLP tools in the craft space are built for candles and wax melts only. If you also make reed diffusers, room sprays, or other home fragrance products, you'll need a separate process for each.
Reed diffusers typically have higher fragrance oil concentrations than candles, which means different hazard classifications, different pictograms, and often a more severe signal word. A tool that only handles candle-range concentrations will not produce correct labels for your diffuser line.
What to check: Does the tool support multiple product types with different concentration ranges, or is it hardcoded for one category?
3. It Uses Your Actual Formulation Data
Some generators are tied to a specific fragrance oil supplier's catalogue. They pre-populate CLP data based on their own products — convenient if you buy exclusively from that supplier, but useless for any other ingredients.
Your finished product's classification depends on every ingredient: the specific wax, fragrance oils from multiple suppliers, dyes, UV stabilisers, and anything else in your formulation. A tool that only knows about one supplier's oils cannot produce a correct classification for your complete product.
What to check: Can you input any ingredient with its hazard data from any supplier's SDS, or are you limited to a pre-loaded catalogue?
4. It Handles Reformulations
Craft sellers reformulate constantly. A new fragrance oil, a different wax blend, an adjusted scent load — each change potentially alters your product's CLP classification. The label you created six months ago may no longer be correct for today's formulation.
A useful tool lets you update ingredients and immediately shows whether the classification has changed. A tool that generates a one-off label with no way to track the underlying formulation forces you to start from scratch every time.
What to check: Can you save formulations and update them when you change ingredients?
5. It Produces a Complete Label
A CLP label requires six elements: product identifier (including hazardous component names), supplier details, nominal quantity, hazard pictograms, signal word, and hazard/precautionary statements. Missing any element makes the label non-compliant.
Some tools generate pictograms and statements but omit the "contains" line listing the specific hazardous substances. Others miss the supplier details field. Incomplete output gives you a false sense of compliance.
What to check: Does the generated label include all six elements described in the GB CLP labelling requirements? Does it list the specific substances contributing to classification (the "contains" line)?
6. It Keeps an Audit Trail
If trading standards ask how you classified your product, you need to show your working — the SDS documents you used, the concentration calculations, and how you applied the classification rules. This is not optional: it's part of your duty as the person placing the product on the market.
The best tools store this trail automatically: which version of each SDS was used, what concentrations were entered, how the classification was derived, and when the label was generated. Without this, you're keeping a manual paper trail alongside a digital tool — defeating the purpose.
What to check: Does the tool retain your classification rationale and SDS references, or does it only output the finished label?
7. It Stays Current with Regulatory Changes
GB CLP is not static. The HSE updates the GB mandatory classification and labelling list, new hazard classes are introduced, and technical adaptations are adopted periodically. A label generated under last year's rules may need updating.
Most free generators reflect the state of the regulation at the time they were built. They do not flag when regulatory changes affect your existing labels.
What to check: Does the tool track regulatory updates and alert you when existing labels may need revision?
The Bottom Line
A CLP label generator is only as good as the classification behind it. Formatting is the easy part — correct classification, complete labelling, and ongoing compliance tracking are what actually keep you on the right side of trading standards enforcement.
Before committing to any tool, test it with a real product. Enter your actual formulation. Check whether the output includes all six required label elements. Ask yourself: if trading standards knocked tomorrow, would this label and the records behind it stand up?
In the meantime, you can check your existing labels with our free CLP Label Checker — it identifies which required elements are present and which are missing. You can also use our CLP Pictogram Finder to check which hazard pictograms your products need.
CraftCert handles CLP classification, label generation, and formulation tracking for UK candle, wax melt, and home fragrance makers. Sign up free to get started.
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