Tulasi Essential Oil

Product Information

CosmySupplies supplies Tulasi Essential Oil (Holy Basil, INCI: Ocimum Tenuiflorum Leaf/Flower Oil, CAS: 8015-73-4) in India. Batch VO240283, manufactured August 2024. Batch tested: refractive index 1.455, specific gravity 0.910, heavy metals passed. Warm spicy clove-herbal aroma for perfumery, soap, and Ayurvedic personal care. Must be diluted. COA available on request. Shipped from Bengaluru across India.

INCI: Ocimum Tenuiflorum Leaf/Flower Oil |  CAS: 8015-73-4  |  Plant Part: Leaves and flowers  |  Extraction: Steam Distillation

Common Names: Tulasi (Hindi/Sanskrit), Holy Basil, Sacred Basil, Tulsi

Aroma Profile: Warm, spicy, clove-like with herbal basil character and sweet floral undertones. Middle to top note in fragrance blending.

Primary Constituents: Eugenol (typically 40 to 70%), methyl eugenol, beta-caryophyllene, linalool, methylchavicol 

Used In: Perfumery | Ayurveda-Positioned Personal Care | Soap Making | Hair Care | Scalp Treatments | Aromatherapy Diffuser Blends

Must be diluted before skin application. Not for undiluted use on skin.

Aroma and Fragrance Profile

Tulasi Essential Oil has a distinctive warm, spicy, clove-like aroma with a herbal basil background — different from European sweet basil (Ocimum basilicum) which has a lighter, greener character. The dominant eugenol content gives Tulasi EO its characteristic clove-like warmth and depth, which makes it particularly valuable in Ayurveda-inspired fragrance compositions where the sacred basil identity is commercially significant in the Indian market. In fragrance blending it functions as a middle to top note, adding warm spicy herbal complexity to compositions. In Indian personal care Tulasi is one of the most recognised and valued Ayurvedic botanical ingredients, with strong consumer awareness across hair care, skin care, and wellness categories.

Benefits and Applications

•        Functions as a fragrance ingredient and perfuming agent in cosmetic formulations, contributing a warm, spicy, clove-herbal Tulasi aroma to soaps, shampoos, hair oils, and personal care products where Ayurvedic botanical identity is a brand positioning requirement.

•        Batch tested by Vedaoils: Refractive index 1.455 (within specification 1.438 to 1.480) and specific gravity 0.910 (within specification 0.892 to 0.950). Heavy metals passed. Acid value 0.42 mg KOH/g (within specification below 1.0).

•        In Ayurveda-positioned hair care formulations, Tulasi EO is among the most commercially relevant botanical ingredients in the Indian market. Tulasi-named hair oils, shampoos, and scalp treatments carry strong traditional authority positioning for indie brands building Ayurvedic personal care ranges.

•        In cold process and melt and pour soap making, Tulasi EO's warm spicy clove character performs reasonably well through saponification. The eugenol content can accelerate trace in cold process soap.

•        In perfumery and fragrance blending, Tulasi EO adds warm spicy herbal depth to oriental and Ayurvedic fragrance compositions. It blends particularly well with sandalwood, rose, patchouli, and other warm botanical fragrance ingredients.

•        The cultural and Ayurvedic significance of Tulasi in India makes it one of the most commercially valuable botanical identity ingredients for positioning personal care products within the Ayurvedic heritage category — one of the fastest-growing segments in Indian beauty.

How to Use

Dilution — Mandatory: Tulasi Essential Oil must be diluted before any skin application. Do not apply undiluted to skin. Leave-on hair oil and scalp: maximum 0.5 to 1% in carrier oil. Rinse-off shampoo and soap: 0.5 to 1.5% of total formula weight. Massage oil: 0.5 to 1% in carrier oil.

Eugenol skin sensitivity note: Tulasi EO is eugenol-dominant. Eugenol is a known skin sensitiser at higher concentrations. Use at the lower end of the usage range for leave-on products and for formulations intended for sensitive skin. Perform a patch test before full body application of finished products.

In Hair Oil: Dissolve at 0.5 to 1% in a carrier oil (coconut, jojoba, or sesame oil for authentic Ayurvedic positioning). Apply to scalp and hair as a pre-wash treatment. Sesame oil as the carrier is particularly relevant for Ayurveda-positioned Tulasi hair oil formulations.

In Cold Process Soap: Add at 0.5 to 1.5% of total oil weight at trace. Note: eugenol in Tulasi EO can accelerate trace. Have your soap batter ready and work quickly after adding. Test a small batch first.

In Shampoo: Add at 0.5 to 1% to the cooled-down shampoo base below 40 degrees Celsius.

EU Allergen Declaration: Eugenol is an EU-listed fragrance allergen. For EU-market finished products, eugenol from Tulasi EO must be declared separately on INCI labels when present above 0.001% in leave-on and 0.01% in rinse-off products. Given the typical eugenol content of 40 to 70%, this threshold will be exceeded at almost any practical usage rate.

For formulation ratios, batch guidance, and troubleshooting support, contact the CosmySupplies team directly.

WhatsApp   |  Email: info@cosmysupplies.com

Technical Information

Pairs Well With

Sandalwood Fragrance Oil (Mysore Sandal) creates a warm, sacred, Ayurvedic fragrance accord with Tulasi EO that is deeply rooted in Indian botanical fragrance tradition. The combination of holy basil and sandalwood is one of the most recognisable and culturally significant fragrance pairings in Indian personal care and wellness positioning.

Rose Essential Oil or Rose Fragrance adds a floral softness that moderates the intensity of the eugenol character in Tulasi EO, creating a warm floral-spice accord suitable for premium Ayurvedic personal care products and body oils.

Patchouli Essential Oil deepens and grounds the warm spicy character of Tulasi EO with earthy base note depth, creating an oriental-Ayurvedic composition with strong longevity on the skin surface.

Frankincense Essential Oil creates a warm, resinous, spiritual fragrance accord with Tulasi EO that is deeply appropriate for premium Ayurvedic and wellness-positioned personal care, incense, and spa product formulations.

Coriander Essential Oil adds a warm, slightly sweet spicy note that complements the eugenol-driven character of Tulasi EO in complex oriental and Ayurvedic fragrance compositions.

Important Information

DILUTION MANDATORY: Tulasi Essential Oil must be diluted before skin application. Eugenol-dominant oils can cause skin sensitisation at higher concentrations. Maximum 0.5 to 1% in leave-on products.

For external cosmetic use only. Avoid contact with eyes. Perform a patch test before full application of finished products. Use with caution during pregnancy. Keep out of reach of children. Store sealed away from heat and direct sunlight.