Bottle of Raasa Oils Onion Essential Oil with onions on a pink background

Raasa Oils onion essential oil bottle with benefits listed on a pink background

Onion Essential Oil

Rs. 750.00

Rs. 599.00

20% OFF

Size: 100 ML

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Chemical Free

Cruelty Free

100% Natural

Paraben Free

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Onion Essential Oil

Onion essential oil is the intense, concentrated aromatic heart of the onion — steam-distilled from Allium cepa bulbs into a potent, sulfur-rich essential oil. Where onion hair oil is mild and ready to use, this is its most concentrated form: a specialty ingredient, not an everyday oil, defined by the powerful natural sulfur compounds (such as dipropyl disulfide) that give onion its characteristic pungency.

Onion has a long heritage in traditional Indian hair and scalp care, and this essential oil is the building block behind the fast-growing "onion hair oil" category. Formulators blend it, at very low levels, into hair oils, shampoos, and scalp products to give them a distinctive, recognisable onion character. It also has a niche role as a bold base note in experimental perfumery. Being so concentrated, it is always diluted before use and is best handled by formulators. A steam-distilled essential oil for external cosmetic use. Supplied 100 ML to 10 KG with COA, MSDS, and GC-MS, from Raasa Oils.

Onion Essential Oil Benefits

Natural Sulfur

Onion essential oil is defined by its high content of natural sulfur compounds — the pungent, volatile molecules (such as dipropyl disulfide) steam-distilled from onion bulbs. It's this distinctive sulfur-rich composition that makes onion oil so sought-after as a botanical active in traditional and modern hair-care formulations, and one of the most recognisable natural onion ingredients.

Person with long, straight black hair on a plain background

Concentrated Hair-Care

Onion oil has a long heritage in Indian hair care, and this essential oil is its most concentrated form. A potent specialty ingredient rather than an everyday oil, it's blended at very low levels into hair oils, shampoos, and scalp treatments, where its signature sulfur-rich character is the draw for formulators building onion hair-care ranges.

Indian Hair Botanical

Onion has been used in traditional Indian hair and scalp care for generations. This steam-distilled essential oil carries that heritage in a concentrated, aromatic form — a recognisable, tradition-led botanical that gives natural and Ayurvedic-inspired hair brands a distinctive, story-rich ingredient to build around.

Woman with a small mole on her arm against a blurred background

Distinctive Perfumery

Beyond hair care, onion oil's intense, earthy, sulfurous aroma has a niche role in perfumery. Used in tiny, carefully-measured amounts and blended with floral or citrus notes, it can add an unusual, tenacious base-note depth to experimental and artisan fragrance compositions — a bold natural material for adventurous perfumers.

Onion Essential Oil Uses

Hair Care Products

Onion essential oil is prized in hair-care formulations — hair oils, shampoos, conditioners, serums, and scalp treatments — for its concentrated sulfur-rich character and traditional heritage. Used at very low inclusion (it's highly concentrated), it gives formulators a distinctive, recognisable onion botanical to build hair-care and scalp ranges around.

"Onion Hair Oil" Blends

The onion hair-oil category is one of the fastest-growing in natural hair care, and this essential oil is a key building block. Brands blend it, at low levels, into carrier-oil bases to create the signature onion hair oils consumers seek — a concentrated, aromatic onion active for formulators producing onion-based hair ranges.

Perfumery & Fragrance

Onion oil's intense, earthy, sulfurous aroma is a niche perfumery material. Used in tiny, carefully-measured amounts and blended with floral, citrus, or woody notes, it can lend unusual depth and tenacity to experimental and artisan fragrance compositions — a bold base note for perfumers exploring unconventional natural materials.

Soaps & Personal Care

Onion essential oil is also used, at low levels, in soaps, cleansing bars, and personal-care products where an onion or herbal character is wanted. Its concentrated aromatic profile lends a distinctive natural note to bath and body formulations built around traditional botanicals and story-led natural ingredients.

How to Use

Aromatherapy

Skincare

Haircare

Massage

Bath Products

Product Specifications

Product Name	Onion Essential Oil
Botanical Name / Inci Name	Allium cepa Oil
Product Category	Essential Oil
Country of Origin	India
Method of Extraction/ Production	Steam Distillation
Plant Part Used	Bulbs
Cas No	8002-72-0
Common Names	Pyaz Oil, Allium Oil
Blends well with	Lavender, Lemon, Rosemary, Tea Tree, Peppermint
Application	, Skincare, Personal Care, Aromatherapy
Grade	Cosmetic
Color and Appearance	Pale Yellow to Amber Liquid
Aroma	Strong, Pungent, Sulfurous
Form	Liquid
Solubility	Insoluble in Water, Soluble in Alcohol & Oils
Shelf Life	2 years when stored properly
Specific Gravity	0.920 – 0.950
Refractive Index	1.480 – 1.510
Optical Rotation	+10° to +25°
Certificate	COA,MSDS,TDS
Storage Instructions	Store in a cool, dark place away from sunlight; keep tightly sealed
Product Datasheet	Available upon request
Safety Data Sheet	Available upon request

Packaging Sizes

Raasa Oils: Your Trusted Bulk Supplier & Manufacturer of Onion Essential Oil

Supplier & Wholesale Distributor: Raasa Oils is a trusted Onion Essential Oil supplier and wholesale distributor in India, offering genuine steam-distilled Allium cepa bulb oil in bulk for hair-care, cosmetic, soap, and perfumery manufacturers, private-label brands, and formulators producing onion hair-care ranges. Intensely sulfur-rich and highly concentrated, it's the aromatic building block behind the onion hair-oil category.
Bulk & Custom Supply: Buy Onion Essential Oil online in quantities from 100 ML to 10 KG for product development, formulation testing, and regular manufacturing. For larger requirements, we provide bulk supply and wholesale quantities above 10 KG with customised solutions.
Manufacturing Applications: Our onion essential oil suits onion hair oils, shampoos, conditioners, scalp treatments, soaps, and niche perfumery — always at low inclusion.
Quality & Reliable Supply: As a reliable supplier, Raasa Oils focuses on consistent quality, secure packaging, Non-GMO, ISO, and GMP processes, and full documentation including GC-MS, COA, and MSDS — for small development batches or bulk-production volumes alike. We stand behind every batch with a full-refund guarantee.
Private Label & Business Support: We support startups, growing brands, contract manufacturers, and established companies with flexible order quantities and wholesale supply — whether you're launching a new onion hair-care range, or expanding an existing one.

Frequently Asked Questions

Can Onion Essential Oil be applied directly to the scalp?

No — it's highly concentrated and can irritate skin, so it must be diluted in a carrier oil (typically ~1–2% or less) before any scalp or skin contact. Always patch test a finished blend first. It's best handled by formulators rather than used neat.

What's the difference between Onion Essential Oil and Onion Seed Oil?

They're different products.Onion Essential Oil is the intense, pungent, steam-distilled bulb oil — a concentrated specialty ingredient used at very low levels. Onion Seed Oil is a mild, cold-pressed carrier oil used more liberally. Choose the essential oil for a concentrated onion active, the seed oil for a ready-to-use base.

Does it have a strong smell?

Yes — a strong, pungent, sulfurous aroma. When blended at low levels with other essential oils, the scent becomes much milder and more manageable in a finished product.

How is it used in hair care?

It's blended at a low percentage into a carrier-oil base, shampoo, or scalp product to create onion hair-care formulations, for its concentrated, sulfur-rich onion character and traditional heritage. Follow your own formulation and dilution testing.

How should it be stored?

Cool, dark, and tightly sealed, away from sunlight and heat — which preserves its aromatic sulfur compounds.

Do you offer bulk/wholesale quantities and documentation?

Yes. As a supplier, bulk distributor, and wholesaler, we offer 100 ML up to 10 KG (and larger on request) at wholesale pricing, with COA, MSDS, and GC-MS available. For bulk, private-label, and export enquiries, contact our team directly.

Disclaimer

Onion Essential Oil is a steam-distilled essential oil for external cosmetic use, and is highly concentrated. It must be diluted in a carrier oil or formulation before skin or scalp contact — it is never used neat, is not for diffusing, and is not for ingestion. It is a cosmetic ingredient, not a medicine, and is not intended to diagnose, treat, cure, or prevent any condition — it does not grow hair, treat hair loss, whiten or "fairen" skin, treat scars, cuts, acne, or wrinkles, or boost immunity. It is a potential skin sensitiser — patch test a finished, diluted product first, keep away from the eyes, and avoid during pregnancy and nursing unless advised by a professional. Store cool, dark, and sealed..

Caution

For external cosmetic use only, always diluted — never neat. Do not ingest or diffuse. Potential skin sensitiser — patch test finished, diluted products. Keep out of reach of children and pets, and avoid contact with the eyes and mucous membranes. Discontinue if irritation occurs.