Cold-pressed mustard oil is obtained by mechanically pressing mustard seeds (Brassica nigra) without heat or solvents. This gentle process preserves the oil’s natural bioactive compounds — notably glucosinolates and their enzymatic breakdown product, allyl isothiocyanate (AITC), responsible for its pungent aroma and warming action.

Botanical name: Brassica nigra (black mustard)

Extraction method: Cold pressing, followed by natural sedimentation and filtration

Primary components: Erucic acid, oleic acid, linoleic acid, alpha-linolenic acid (ALA), AITC, vitamin E, and phenolic antioxidants

Mustard oil has been used for over 3,000 years in Ayurvedic and Middle Eastern traditions, including as a warming massage oil (Abhyanga) believed to stimulate the body, and as a respiratory comfort aid applied to the chest and back in traditional balms. Its continued use across India, Pakistan, Bangladesh, and Syria reflects its enduring place in regional wellness heritage.

Allyl Isothiocyanate (AITC) is the signature compound responsible for mustard’s heat. A clinical study (Andersen et al., 2017, Pain) measured AITC’s effects on human skin and found a significant, dose-dependent increase in local blood flow via laser perfusion imaging — real evidence behind the warming sensation. The same study found this comes with measurable burning and increased skin sensitivity, which is precisely why dilution and patch testing matter — this isn’t just a precaution, it’s a documented effect of the active compound itself.

Omega-3 Alpha-Linolenic Acid (ALA) contributes to maintaining supple, hydrated skin as part of the oil’s overall fatty acid profile. Vitamin E (Tocopherol) is a natural antioxidant, protecting the oil itself and supporting the skin against oxidative stress.

Erucic Acid provides emollient texture and conditioning for skin and hair — and is the reason mustard oil is restricted for internal/culinary use in some regions, including the EU.