What Is an IFRA Certificate and Why Does It Matter to Candle Makers?

What the document actually is

Three properties define the document type, and each one has a practical consequence.

It is issued per fragrance. Not per supplier, not per range, not per catalogue. The figures on it are derived from the composition of one blend, so they cannot be copied across to a different blend even from the same maker, even in the same scent family. This is why a sentence like "all our oils are covered" is structurally impossible as a single document: a range of 106 fragrances is 106 separate calculations. When you ask for documentation, ask scent by scent.

It is stated per product category. A single percentage with no category attached is not information. The categories reflect how a finished product meets a person — leave on skin, rinsed off skin, or never touching skin at all — which is why a candle figure and a body-cream figure for the same fragrance can differ by a factor of three. Your job is to find the row that matches what you are making, and to ignore the rest unless you make that too.

It is a derived, dated statement — not a measurement. Nobody burned your candle to produce it. It is the output of a calculation against a published set of standards, and standards are revised over time. That means two things: the document belongs in your file with the date you received it, and it is worth re-requesting when you re-stock a scent after a long gap rather than assuming a copy from two years ago is current.

What it states — and what it never does

Because no CSI page publishes a certificate, this guide will not describe the contents of any specific one. What can be said generally is what a document of this type is for, and — more usefully for a candle business — what it is categorically not for. The table below is the boundary, drawn once so you stop looking in the wrong place.

A phrase on a page is not a document in a file

Product listings across the industry — CSI's included — carry IFRA-related wording in a dozen different forms, and they commit to very different things. Some are precise and genuinely useful. Some are marketing shorthand. None of them is a document. The table below sorts the actual phrasings used across the 107 CSI fragrance-oil pages by how much they tell you, because learning to grade a sentence is the skill that matters here.

Why it matters to a candle business

Not all of these will apply to you. Work out which do, because the answer determines whether this is a five-minute housekeeping task or something you genuinely need before your next launch.

You sell through someone else. Retail stockists, hotel and hamper buyers, marketplaces and corporate gifting procurement teams ask supplier-level questions, and they ask them at the point where an order is about to be confirmed. Having the documentation for your six scents in one folder converts a two-week back-and-forth into one reply.

You sell more than candles. This is the big one. The moment a wax melt, a room spray, a reed diffuser or a body product joins the range, one bottle of fragrance is being used in several categories at once, and the figures diverge sharply: on the published tables, 10% for candles, 5% for room sprays, 25% for a reed diffuser with base, 3% for a leave-on cream. Guessing across four formats is how a maker ends up over-dosing the one that matters most.

You are scaling a single scent. When one fragrance goes from a 100 g bottle to a 1 kg bottle and from twenty candles a month to five hundred, the cost of an assumption stops being theoretical. On Lavender Fragrance Oil at 1 kg pricing — ₹5,221, or ₹5.221 per gram — a 500-candle run at 8% uses 8 kg of oil and ₹41,768 of fragrance. That is the sum sitting behind whichever percentage you decided on, so it is worth having the supplier's own figure in writing before the pour, not after.

You want your own records to be defensible. A scent file with four things in it — the product page as published, the SDS, the IFRA documentation, and your own burn-test card — answers almost every question anyone will ever put to you about a candle you sold eight months ago. Three of the four are free.

Reading one in five minutes

Documentation is only useful if it ends up as a number on a recipe card. Five steps take you from an attachment to a working ceiling in grams.

What it leaves entirely to you

Here is the honest division of labour. The fragrance supplier's documentation tells you the ceiling for your category. The wax page tells you the formulation ceiling and the working temperatures. Everything else in a candle — whether the pool reaches the glass, whether the wick mushrooms, whether the room smells of anything at three metres, whether white wax turns cream over a fortnight — is decided by a combination nobody but you has ever assembled: your wax, your wick, your vessel diameter, your load, your add temperature, your cure. No document can anticipate it, because no document knows what jar you bought.

That is not a gap in the paperwork. It is the point. A use-level document is deliberately narrow, and its narrowness is what makes it trustworthy: it answers a question that has an answer. The question "will my customers love this candle" does not have a documentary answer, and a supplier who implies otherwise is selling you comfort rather than information. What settles it is three identical jars, fourteen days, and a notebook — the protocol in why every wax × wick × fragrance combination needs burn testing.

One more boundary worth stating, because it comes up in every conversation about documentation: no CSI fragrance-oil page states a shelf life, an expiry date, a storage temperature or a storage instruction of any kind. Not one of 107. So if you read a shelf-life figure for one of these oils somewhere, it did not come from the product page. Ask for the SDS, keep bottles closed and out of direct sunlight as ordinary good practice, and date every bottle as it arrives — which is a records habit, not a claim.

Three listings, three levels of disclosure

These three are chosen to show the range of what a product page can give you — not as a ranking of the oils themselves. All three are candle-focused listings with stated loads and stated notes; what differs is how each one handles the documentation question, and that difference is worth seeing side by side before you decide how much of your evidence to take from a page.

Frequently asked questions