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A Perplexing Failure

My grand designs crumble as I fail to make the most delicious batch of incense ever devised.

A small pile of short smooth brown incense sticks on a piece of MDF.


By Nathan Upchurch

This January, I had grand visions for a sweet, gourmand batch of incense sticks. I’d start with a creamy base of sandalwood, combine it with plenty of guggul resin for that touch of caramel, a dash of warm cinnamon, and a sprinkling of sweet, vanillic tonka bean; these things were going to smell like dessert, like baking cookies, like your high-school English teacher’s classroom when her most cloyingly sweet scented candle had been burning for the past four hours.

Things seemed to be going well while making the sticks; the dough smelled incredible, and extrusion was a dream — long, straight noodles that could be manipulated without breaking came one after another. I didn’t sense that something might be wrong until I saw the sticks after they’d dried overnight, when I noticed that they were very smooth, compact, and hard. They didn’t burn, either, which isn’t necessarily the death-knell for a batch of incense sticks, but neither is it a good sign.

A small pile of short smooth brown incense sticks on a piece of MDF.
The sticks in question.

It’s now three months since the sticks were extruded; they haven’t shown any signs of improvement, and I’m left scratching my head. The ingredient ratios in the build I used were based on those of a successful batch; by all estimations, this batch had everything it needed to combust! It may or may not smell nice, but surely, I thought, the batch will burn! Alas, my hubris was met with disappointment. Here’s the build I used:

Ingredient Grams % of Build
Tonka Bean 0.3 5%
Cinnamon 0.75 11%
Guggul Resin 1.5 23%
Sandalwood 3 46%
Joss Powder (Litsea Glutinosa) 1 15%

My best guess as to why this build didn’t work out has to do with the cinnamon. I know that some cinnamon varieties are mucilaginous, producing a mucilage (plant slime), when mixed with water. Knowing that gum binders, such as xanthan gum, can cause combustion issues in incense when used in higher concentrations, I suspect that the combination of 15% joss powder plus another 11% of the mucilaginous cinnamon somehow bound the sticks too tightly, preventing combustion.

A tiny MHP30 circuit board heater with a little tin of incense powder on top. The heater is shown beside a mostly used blackwing pencil and a fountain pen; it's barely wider than the length of the blackwing ferrule and eraser.
This dusty wee MHP30 circuit board heater makes a great warmer for incense powders, woods, and resins. The pencil beside it may give you some idea as to just how small it is.

Hypotheses aside, I may never know why exactly this build failed. It’s always a shame when a batch turns out to be a complete flop after you’ve put so much time into carefully grinding and sifting precious aromatics, then kneading, extruding and drying neat little noodles of incense — waiting weeks or months to see whether your hopes for them have come to fruition. But all is not lost after all: when I break up the sticks into small pieces and put them on my mini circuit board, erm, incense heater, the fragrance is everything I had thought it might be. I’ll content myself with that as I wait for yesterday’s batch of rose and myrrh to cure.

Nathan Upchurch
Nathan likes to cook vegan food, play the trombone, make incense, design stuff, muck about with free software and tech, and more. He dreams of living in a cottage somewhere and spending his days making incense sticks. Sadly, he can not afford to do this.

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