Importers stocking household mosquito control products constantly face the same question from retailers and distributors: coils or sticks? Both formats are well established across Africa and South Asia, both are typically available in conventional and "natural"/herbal-positioned versions, and both have genuine trade-offs that matter for how you plan your product range. This guide walks through the practical differences between the two formats and what the shift toward herbal positioning means for how you should brief a sourcing partner on formulation — without making specific health or efficacy claims, which aren't ours to make and vary by regulatory market.
Coils vs sticks: the basic format difference
A mosquito coil is a spiral-wound incense rope, typically sold as a stacked set that separates into individual coils, each burned from an outer tip inward. A mosquito repellent incense stick is the same functional category — treated incense that releases active ingredients as it burns — but shaped as a straight stick, generally in a bundle, closer in form factor to standard fragrance agarbatti. The formats compete for the same shelf space and the same basic use case (unattended, slow-burning household mosquito control) but differ meaningfully in how long they last and how they're used.
Burn time and room coverage
Coils are built for duration: a single coil typically burns for several hours — commonly cited in the six-to-eight-hour range — making them well suited to overnight use in a bedroom or an evening's use on a porch or outdoor sitting area. Mosquito repellent incense sticks generally burn for a much shorter window, often under an hour per stick, which makes them a better fit for shorter, more active-use situations — a few hours in the evening, a specific room while cooking or eating, or portable/outdoor use where a compact stick is easier to carry and light than a full coil. Coverage area for a coil is generally described as suited to a small-to-medium room or outdoor sitting area under calm conditions; airflow, room size and open doors/windows all affect this in practice regardless of format, which is worth being upfront about with retail customers rather than overpromising.
Cost per use and what that means for retail positioning
Because a single coil typically lasts several times longer than a single incense stick, coils tend to offer a lower effective cost per hour of use, even though a pack of coils and a bundle of sticks might retail at a similar shelf price. This is part of why coils remain the dominant household format across much of Africa and South Asia — for a value-conscious household, the coil format simply stretches further per rupee, naira, shilling or rupee-equivalent spent. Sticks compete less on raw cost-per-hour and more on convenience, portability and shelf familiarity with buyers who already stock fragrance agarbatti and want a functional line that fits the same display format. A sensible retail range in most of these markets carries both: coils as the primary overnight/value option, sticks as a secondary, more portable or premium-positioned option.
The shift toward "natural" and herbal-positioned repellents
Across both formats, there's a visible and growing segment of products marketed around plant-derived active ingredients — citronella, neem, lemongrass and eucalyptus oil are the ones most commonly used — positioned against conventional synthetic pyrethroid-based (allethrin-type) products on a "natural," "herbal" or "low-smoke" basis. This mirrors a broader global pattern in household insect control, where buyers increasingly want to know what's in the product they're burning indoors, not just whether it works. That said, conventional synthetic formulations remain price-competitive and are still the volume leader in many value-conscious retail environments, because they're generally cheaper to manufacture consistently at scale than herbal-actives formulations. For an importer, this usually means stocking both tiers rather than betting the whole range on one positioning — a herbal-positioned line for buyers willing to pay a premium for it, alongside a conventional line that competes on price where that's what the market rewards.
What this means for briefing your sourcing agent
If you want a herbal-positioned product, be specific about which active ingredient or blend you want (citronella alone, or a citronella-neem-lemongrass blend, for example) and ask the manufacturer to confirm the concentration and consistency testing they run — a herbal claim on packaging with an under-dosed formulation is a real reputational risk once repeat customers notice the product performs inconsistently. If you want a conventional synthetic-active product, be equally specific about which active is used and at what strength, since this affects both cost and how the product should be labelled in your market. In both cases, request a burn sample before committing to volume: check smoke density, burn evenness, and how strong or masking the fragrance is, since mosquito incense with a poorly balanced fragrance can smell unpleasant even if the underlying formulation is sound. This is a different, more technical brief than ordering standard fragrance agarbatti, and it's worth treating it that way rather than assuming any incense manufacturer can produce it interchangeably.
Outdoor vs indoor use: a practical distinction buyers often skip
Beyond the coil-vs-stick question, it's worth separating how a product will actually be used, since that shapes which format and formulation makes sense. Coils are generally better suited to longer, lower-attention use — an overnight bedroom setup or an evening spent outdoors on a porch or in a courtyard, where a single ignition needs to last for hours without anyone tending it. Sticks suit shorter, more supervised windows — a family gathered for an evening meal, a shop or stall wanting a functional product burning for a few hours during opening time, or situations where portability matters, such as a market trader who needs to move location during the day. Buyers building a retail range sometimes assume one format can simply substitute for the other with a different price tag, but retailers and end consumers generally understand the difference and stock accordingly, so it's worth briefing your sourcing partner on the specific use case you're targeting rather than defaulting to whichever format is cheaper to source.
What "low smoke" actually means in sourcing terms
Smoke output is one of the more subjective qualities in this category but also one of the most commonly requested attributes, especially for herbal-positioned lines marketed as gentler for indoor use. In practical sourcing terms, smoke density is primarily a function of masala composition — the ratio of charcoal or carbon-bearing material to natural binders and active ingredient carriers — and burn rate, since a faster, hotter burn typically produces more visible smoke than a slower, cooler one. If low smoke is a priority for your market positioning, say so explicitly when briefing a manufacturer and ask for a comparison sample against their standard formulation, since the difference is far easier to judge by direct comparison than by specification alone.
Choosing a format mix for your market
If your customer base skews toward overnight household use and price sensitivity, lead with coils. If you're serving smaller retail formats, kiosks or a younger urban consumer used to buying incense sticks generally, a stick-format mosquito repellent line can sit naturally alongside your existing agarbatti range. Many of the distributors we work with in Africa and South Asia carry both, testing a smaller trial order of each before deciding where to weight a larger repeat order — which is generally the safer way to enter this category than guessing at consumer preference upfront.
Where Tiwari Groups International fits in
We source both mosquito repellent incense sticks and coil-format products through verified Indian manufacturers experienced in functional/household incense, and can arrange herbal-actives or conventional synthetic-actives formulations depending on your brief. For a deeper look at what goes into these products and how sourcing this category differs from fragrance agarbatti, see our guide on sourcing mosquito repellent incense sticks for Africa and South Asia, or send us your target market and format preference for a direct quote.