Should I Approve Two Suppliers for Critical Candle Raw Materials so I Have a Backup If My Main Supplier Runs Out of Stock?

The short answer, from a supplier

Yes. For the materials your bestselling candles cannot be made without, approving a second source is sensible risk management — and that holds even when your main supplier is CSI. We would rather you hear that from us than discover it during a busy festive month.

Stock-outs are ordinary, not a sign of a bad supplier. On CSI's own store at the time of writing, the 1 kg Vetiver, the 50 g and 100 g Sandalwood, the 100 g Royal Oud and the 100 g Chocolate Fudge were out of stock, along with some colours of the matte 200 ml jar and the 10-pack of thin Eco wicks. Every supplier has weeks like that. If your production depends on one listing from one source, a routine gap on their side becomes a missed month on yours.

Stock is not the only risk a backup covers. A delivery can fail your goods-in comparison and sit in quarantine. A price can change. A product can be reformulated or discontinued. In each case, a second approved source turns an emergency into an ordinary purchasing decision.

Which materials deserve a second source

Not every material needs one, and some cannot really have one. The useful question is: if this material vanished for a month, how hard would it be to replace without re-testing my candles? Work through your bill of materials with that question.

The fragrance row deserves honesty. Two suppliers' oils sold under the same name are different formulations, however similar the family. You cannot truly dual-source a signature scent. What you can do is hold buffer stock, know which pack sizes can stand in for each other, and — if the scent is central to your brand — decide in advance which approved alternative you would move to and tell customers, rather than quietly swapping.

What a backup costs, and what it saves

Qualifying a backup costs a trial: a pack of material, test candles, and your time. For wax, a practical trial is one 10 kg pack. If CSI is your backup wax and your main supplier is someone else, a 10 kg pack of Luxury Soy Wax CSI 464 costs ₹5,074.00, enough for 10,000 ÷ 184 = 54 candles at this series' 200 g, 8% convention. If CSI is your main supplier, the backup trial is priced at the other supplier's rate; the method is the same.

Set that against the cost of not having one. Suppose you make 300 candles a month. At 184 g of wax and 16 g of oil each, that is 300 × 184 g = 55.2 kg of wax and 300 × 16 g = 4.8 kg of oil a month. A month without your main wax is 300 candles you cannot make; multiply that by your own margin per candle and compare it with the trial cost above. For most businesses making more than a few hundred candles a month, the backup pays for itself the first time it is used.

There is a cheaper partial alternative for materials that are hard to dual-source: buffer stock. Holding extra fragrance oil, stored cool, dark and tightly capped, covers a short gap without any qualification at all. Size the buffer on your own reorder experience rather than any promised timeline, and rotate it first in, first out so it never becomes old stock.

A backup also changes how you behave at goods-in. Without one, a main-supplier delivery that fails your comparison creates pressure to release it anyway, because the alternative is stopping production. With a qualified second source on the shelf, you can keep the failed lot in quarantine, raise it calmly with the supplier, and carry on making candles. That freedom to say no to a doubtful lot is worth more than it sounds, and it is one of the strongest reasons to keep a backup even when stock is plentiful.

How to approve a second source properly

A backup is only a backup if it has passed the same tests as your main material, in the same combinations you actually sell. The routine below is a suggested outline.

Ask each supplier the same questions and record the answers: lot identification, documents available, storage advice. For CSI, our pages state IFRA certification for oils with IFRA and MSDS documents on WhatsApp request (+91 7397976926); they do not publish lot numbers or certificates of analysis. Your retained samples fill that gap for both sources.

When one supplier is enough

A backup is not always worth the effort. Low-risk, easily replaced items — stirring sticks, pouring jugs, labels — do not need formal dual approval; you can buy them elsewhere on the day. If you make a few dozen candles a month, buffer stock may be all the protection you need.

Consolidating purchases with one supplier also has real advantages: fewer deliveries, one invoice, simpler goods-in, and often better pricing as volume grows. A backup does not undo that. Most businesses keep one main supplier for the bulk of their volume and a qualified second source kept warm with small, regular orders. That arrangement costs little, and it means a stock-out, a failed lot or a price change is something you manage rather than something that stops production.

If CSI is your main supplier, that is the arrangement we would recommend to you. If CSI is your backup, the same advice applies the other way round: keep us warm with small orders, so that when you need us, our wax already has a current approval in your records.

Where this page fits

CSI already has guides that cover parts of this question. This page covers the goods-in check for the question above; these go deeper on the rest:

Three things to buy for this job

Frequently asked questions