Qust al Hindi Benefits: Costus Root, the Two Kinds and the Fakes
Qust al hindi (qust-e-hindi, kuth; “costus root” in English) is the dried root of a Himalayan thistle relative, Saussurea costus, sold in two trade kinds: the dark, bitter Hindi and the pale, milder Shirin. Before the benefits, two facts no religious-goods shop will tell you: the plant is listed on CITES Appendix I, the strictest trade category, and roots sold under this name are often something else.
Quick facts
- English: costus root, Indian costus, kuth
- Urdu/Hindi: qust-e-hindi, kust, kuth, kooth; qust-e-shirin (shireen)
- Arabic/Unani: qust al-hindi (the dark kind), qust al-bahri or qust abyaz (the pale “sea” or white kind)
- Scientific: Saussurea costus (Falc.) Lipsch.; older names Saussurea lappa and Aucklandia lappa; Kew and GBIF now accept Dolomiaea costus
- Part used: dried root, in pieces, powder or as costus oil
- Law: CITES Appendix I; wild collection banned in India; export from India banned
- Safety flag: HIGH, mainly because of what gets sold in its place
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What qust al hindi is, and why the name matters so much
Costus is a tall herb of the Kashmir and Himachal mountains, growing above 2,500 metres. The root is thick, grey-brown, deeply wrinkled and smells unlike anything else on a pansari’s shelf: scrape it and you get violets, orris and old wet wood, then something animal underneath. Perfumers prized costus oil for exactly that smell before the plant became too scarce.
In Arabic medicine it is one of the remedies named in the Prophetic tradition, which is why Muslims across Pakistan, India and the Gulf search for it and why shops sell it with reverence. This page respects that tradition and does not turn it into a dosing chart; the question here is what is in the packet.
Three name clashes trip buyers up. First, “insulin plant” is Costus igneus, a garden plant with no relation except an unlucky English name; qust al hindi is not a diabetes remedy. Second, “oud al hindi” is sometimes written on costus packets; oud is agarwood, a resinous tree from Assam and south-east Asia, and costus is a root. Paying oud prices for costus powder is a straight loss. Third, in Chinese trade “mu xiang” covers costus but “qing mu xiang” is an Aristolochia root, and regulators have flagged the shared name as a confusion risk (more below).
Qust-e-hindi vs qust-e-shirin: which is which
Qust-e-hindi is the dark, hard, very bitter root: Saussurea costus proper, the “Indian” costus of the Arabic texts.
Qust-e-shirin (sweet costus, also qust-e-bahri, “sea costus”, or qust abyaz, “white costus”) is paler, lighter in the hand and far less bitter, with a faintly sweet, aromatic taste. Here honesty requires a caveat: its botany is not fixed. Classical Arabic writers describe a white Arabian or Syrian kind that reached them by sea; in today’s trade “shirin” is sometimes a paler grade of the same Himalayan root and sometimes a different root altogether, and sellers rarely know which. A species name on a shirin label is that seller’s opinion, not botany.
In the Unani books the dark kind is hotter and stronger, the sweet kind gentler. If a hakeem specifies one, buy that one from a licensed brand; if a shop offers “qust” with no qualifier, ask which.
Traditional uses, and what the evidence supports
What people say
Online, qust al hindi is sold for the chest and throat, sinus and tonsils, “weakness” in men, hair fall (as an oil), skin spots (as a paste), the liver, periods, “the seven ailments”, and as a daily tonic powder.
Unani texts class qust as hot and dry, a muqawwi (strengthener) for the stomach and liver, a mulattif (softener) for thick phlegm in the chest, a carminative, a remedy for the womb and for worms. It was snuffed, taken with honey or oil, rubbed on the skin for discolouration, and used in fumigation. Ayurveda knows the same root as kushtha, in chest and skin formulas, and Chinese medicine as mu xiang for the digestion.
Our honest take Interesting pharmacology, no human proof
Reasonably supported: the root contains sesquiterpene lactones (costunolide and dehydrocostus lactone) with measurable anti-inflammatory and anti-microbial activity in the laboratory, and an essential oil that is genuinely antiseptic in a dish. That gives the traditional chest and stomach uses a plausible mechanism.
Preliminary only: animal and cell work on the liver, on inflammation and on allergy. Nothing here has been tested in people in a way that would let anyone say “it works for X”.
Tradition only: hair fall, male weakness, periods, “seven ailments”. No data at all.
Unsupported or unsafe: qust as a diabetes remedy (that is the insulin-plant confusion), qust instead of an inhaler for asthma (see our asthma and hakeem remedies page), and anonymous powder of any kind.
Why genuine root is scarce, and what that does to the market
Saussurea costus is on CITES Appendix I, the list for species threatened with extinction where commercial international trade in wild material is prohibited. In India it sits on Schedule VI of the Wildlife (Protection) Act, wild collection is banned, cultivation and sale need permits, and it is on the list of medicinal plants whose export is banned. Himalayan farmers do grow it legally in a few valleys, and that cultivated root supplies the Indian domestic market. Yet a 2019 conservation paper found exports of even cultivated root almost impossible because the crop is not accepted as “artificially propagated” under CITES rules.
Put those facts together and the shelf makes sense. Genuine root is expensive and in short supply; demand from Muslim buyers worldwide is large and growing; and the gap gets filled. Pushkarmool (Inula racemosa), another Himalayan root that looks alike, is swapped for costus so routinely in Kashmir that researchers describe the two as adulterants of each other. Asgand (Withania) roots have turned up in market samples sold as kuth. A “wild Kashmiri” label in a bazaar is therefore either illegal or, more often, untrue.
Prices move and none we found sits on a dated page we could check, so we will say only this: real root costs real money per hundred grams, and powder priced like a kitchen spice is not Saussurea costus.
The scrape-and-sniff check that powder cannot pass
Buy pieces, never powder. Take one piece and scrape the surface with a knife or coin for about 5 seconds, then smell it at once. Genuine costus gives a distinct violet-orris note over wet wood, sometimes with a goaty or furry undertone as it ages; the cut face is resinous and slightly oily, grey-brown, and the piece is hard and brittle, snapping rather than bending. A chalky, dry, odourless root, or one that smells only of dust or camphor, is a substitute. This is why powder is where adulteration hides: once ground, pushkarmool, asgand and sawdust all smell of “herb”, and the violet note that costs the money is impossible to judge. Grind your own, a few pieces at a time, in a clean dry grinder.
The aristolochia problem: the one risk worth the whole article
Aristolochia roots contain aristolochic acids, which cause kidney failure and urinary tract cancer, sometimes years after exposure. Europe’s medicines regulators published a position paper on the danger after Belgian slimming-clinic patients lost their kidneys to a mislabelled herb. In Chinese trade, that paper notes, the name “mu xiang” is applied to several roots, including costus and the Aristolochia root called qing mu xiang; the regulators found no proof of deliberate swapping but called the shared names a real confusion risk, and in the parallel “mu tong” case over 40 per cent of UK samples contained aristolochic acids through exactly this kind of substitution.
For a Pakistani or Indian buyer the lesson is simple. Costus that has travelled through Chinese or Gulf supply chains, repacked and relabelled, has passed through markets where that confusion exists, and aristolochic acid is tasteless, odourless and invisible in a powder. Only a manufacturer who tests its raw material can rule it out. That is the real reason to buy a DRAP-enlisted or AYUSH-licensed product and refuse the anonymous jar.
Everyday uses with household amounts
Medicinal amounts by mouth are set by a licensed pack or a qualified practitioner, not by this page. The uses below are external.
- Skin paste: mix about 1 teaspoon of freshly ground root with enough rose water to make a paste. Patch test on the inner forearm for 48 hours first. Apply to a dark patch for 15 to 20 minutes, rinse. Stop at any burning or itch.
- Hair oil: warm 100 ml of coconut or sesame oil, stir in 1 tablespoon of ground root, steep covered for 24 hours, strain. Patch test behind the ear. It is a scented oil; no evidence it regrows hair.
- Fumigation: a pinch on a hot pan for fragrance is the old use. Not thick smoke, and never around a baby or someone with asthma.
- Costus oil: a strong skin sensitiser. If used at all, 1 drop in 1 tablespoon of carrier oil, patch tested, never swallowed.
Safety: who should avoid qust
Skin allergy. The same sesquiterpene lactones that make costus interesting make it a recognised cause of allergic contact dermatitis; dermatologists documented costus-sensitised patients cross-reacting to related plants back in 1980. Patch test every paste and oil, and stop at the first itch or rash.
Pregnancy and breastfeeding. Tradition used qust for the womb and for periods; avoid it by mouth in pregnancy and while feeding, and avoid the oil on skin.
Children. Not by mouth, not as snuff, not as smoke. Honey-based qust mixes are never for a baby under 1 year.
Kidney disease, or anyone taking qust long-term. Because of the aristolochia confusion risk in unlicensed powder, unexplained tiredness, swelling, frothy or bloody urine or a rising creatinine in a regular user needs a doctor and a urine test now.
Asthma, chest infection with fever, coughing blood, breathlessness: these are on the list of symptoms never for totkay. Qust can sit alongside treatment with a doctor’s knowledge, never instead of it.
Camphor-smelling root: some substitutes are laced with kapoor to seem “strong”; see our camphor poisoning page before anyone swallows it.
More on roots, resins and the shelf they sit on in Unani & Herbal, Decoded.
Bottom line
Qust al hindi is a real, aromatic, pharmacologically active Himalayan root with an honoured place in Islamic and Unani tradition. Its chest and stomach uses have a plausible mechanism and no human trials. The plant is protected to the highest trade level, which makes genuine root scarce and the market full of lookalikes, some harmless, one potentially kidney-destroying. Buy pieces from a licensed brand, scrape and smell, patch test, and keep it out of pregnancy and childhood.
Qust al hindi and qust-e-shirin: your questions answered
Qust al hindi kya hai?
It is the dried root of Saussurea costus, a Himalayan plant, dark and bitter, with a violet-woody smell. It is a Prophetic remedy in Islamic tradition and a Unani drug for the chest and stomach.
Qust e hindi in English?
Costus root, or Indian costus; the Kashmiri trade name is kuth. The botanical name is Saussurea costus (older books: Saussurea lappa), now also listed as Dolomiaea costus.
Qust al hindi benefits in Urdu, kya fayde hain?
Tradition uses it for balgham (phlegm) in the chest, the stomach, worms and skin marks. Laboratory work finds anti-inflammatory and antimicrobial compounds in it, but no human trial has confirmed any benefit.
Qust e shireen in English?
Sweet costus, or white costus; in Arabic qust al-bahri. It is the pale, mild kind. Whether a packet is a pale grade of the same plant or a different root is not settled.
Qust e hindi vs qust e shireen, what is the difference?
Hindi is dark, hard and very bitter; shirin is pale, lighter and faintly sweet. Tradition calls Hindi stronger and hotter, shirin gentler.
Qust shirin ke fayde?
The same traditional chest, stomach and skin uses as the dark kind, with a reputation for being milder. There is even less research on the pale kind because its botany is not fixed.
Qust e shireen benefits for skin?
A traditional paste for dark patches and spots. Patch test for 48 hours first, because costus is a known cause of allergic skin reactions. Expect fragrance, not a proven lightening effect.
Costus root oil, how to use?
Only diluted on skin: about 1 drop in 1 tablespoon of carrier oil, after a patch test. Never swallow it and never use it neat; the oil’s lactones are strong skin sensitisers.
Costus root in Urdu?
Qust-e-hindi or kust; in Kashmir kuth. Hindi speakers also say kooth or kushtha (not to be confused with kushta, the Unani calcined metal).
Qust al hindi price?
Genuine root is costly because the plant is CITES Appendix I and wild collection is banned in India. We found no dated price we could verify, so we quote none. Powder priced like a kitchen spice is a warning sign.
Is qust al hindi safe in pregnancy?
Avoid it by mouth and as an oil during pregnancy and breastfeeding. Tradition used it to act on the womb and periods, and there is no safety data.
How to tell real qust al hindi from fake?
Buy pieces, scrape, and smell for violet-orris over wet wood; the cut face should be resinous and the piece brittle. Odourless, chalky or camphor-smelling roots are substitutes. No home test detects aristolochic acid.
Is qust al hindi the insulin plant?
No. The “insulin plant” is Costus igneus, a garden plant whose leaves are chewed; qust al hindi is Saussurea costus root. The shared word is an accident of naming.
Is oud al hindi the same as qust al hindi?
No. Oud is agarwood, a resinous wood for perfume and bakhoor. Some sellers write “oud al hindi” on costus packets; do not pay oud prices for root powder.
Sources
- Kuniyal CP et al. Is cultivation of Saussurea costus sustaining its conservation? Journal of Threatened Taxa, 2019 (CITES Appendix I, Schedule VI, wild collection ban, export position)
- European Medicines Agency: Position paper on the risks associated with the use of herbal products containing Aristolochia species (mu xiang name confusion, mu tong substitution)
- Cosyns JP. Aristolochic acid and ‘Chinese herbs nephropathy’: a review of the evidence to date. Drug Safety, 2003
- Epstein WL et al. Sesquiterpene lactone dermatitis. Cross-sensitivity in costus-sensitized patients. Archives of Dermatology, 1980
- Chen F et al. Authentication of Saussurea lappa, an endangered medicinal material, by ITS DNA and 5S rRNA sequencing. Planta Medica, 2008
- GBIF Backbone Taxonomy: Saussurea costus (Falc.) Lipsch., synonym of Dolomiaea costus (Falc.) Kasana & A.K.Pandey