Rosemary essential

Product Information

CosmySupplies supplies Rosemary Essential Oil (INCI: Rosmarinus Officinalis (Rosemary) Leaf Oil, CAS: 8000-25-7) in India. Batch VO251107, manufactured October 2025, expires September 2027. Refractive index 1.475, specific gravity 0.923, heavy metals passed. Sharp herbaceous aroma for hair care, scalp treatments, and soap. Must be diluted. Not for children under 2 years. COA available on request. Shipped from Bengaluru across India.

INCI: Rosmarinus Officinalis (Rosemary) Leaf Oil  |  CAS: 8000-25-7  |  Plant Part: Leaves and flowering tops  |  Extraction: Steam Distillation  |  Botanical: Salvia rosmarinus Schleid. (syn. Rosmarinus officinalis L.)

Aroma Profile: Sharp, herbaceous, camphorous, slightly woody and piney. Top to middle note in fragrance blending.

Primary Constituents (general literature): 1,8-cineole (20 to 55% depending on chemotype), camphor (5 to 25% depending on chemotype), alpha-pinene (15 to 25%), camphene, borneol (general reference. GC-MS not provided in COA. Chemotype not confirmed.)

Used In: Hair Care | Scalp Treatment | Shampoo | Soap | Perfumery | Massage Oil | Aromatherapy Diffuser

MANDATORY: Must be diluted before skin application. Not for use on or near the face of children under 2 years.

Rosemary Essential Oil has a distinctive sharp, herbaceous, and camphorous aroma that is immediately recognisable and strongly associated with traditional hair care in the Indian market. The combination of 1,8-cineole, camphor, and alpha-pinene gives rosemary its characteristic clean, medicinal-adjacent herbal character — more complex than eucalyptus alone, with a piney-woody depth and a slightly warming quality on the skin. In fragrance blending it functions as a top to middle note, adding herbal freshness and complexity to compositions. In Indian hair care it is one of the most commercially recognised essential oil ingredients, with strong consumer awareness and demand across DIY formulators and established haircare brands.

Benefits and Applications

•        Functions as a fragrance ingredient and perfuming agent in cosmetic formulations, contributing a sharp herbaceous camphorous aroma to hair oils, shampoos, scalp treatments, soaps, and body care products. The aroma profile of rosemary EO is particularly commercially relevant in the Indian hair care market where herbal ingredient positioning is a strong consumer preference driver.

•        In scalp care formulations, rosemary EO is widely used at appropriate dilution for its herbaceous aroma and the cooling scalp sensation from its 1,8-cineole and camphor content. For cosmetic claims, position around the sensory scalp experience — do not make drug-adjacent hair growth claims.

•        In cold process and melt and pour soap making, rosemary EO performs well through saponification, retaining its sharp herbaceous character in the finished bar. It is a technically stable soap fragrance ingredient.

•        In hair oil formulations, rosemary EO dissolved in carrier oil (coconut, jojoba, or castor) at 0.5 to 2% provides the herbaceous herbal fragrance characteristic of traditional Indian hair oil positioning alongside the sensory experience of cooling on the scalp.

•        As a top note in fragrance blending for herbal-positioned personal care, rosemary EO adds green herbaceous freshness to compositions. It blends particularly well with lavender, eucalyptus, peppermint, and citrus oils for fresh herbal compositions.

•        Batch tested parameters: refractive index 1.475 (within specification 1.438 to 1.480), specific gravity 0.923 (within specification 0.892 to 0.950), heavy metals passed, acid value 0.43 mg KOH/g (within specification below 1.0).

How to Use

Dilution — Mandatory: Rosemary Essential Oil must be diluted before any skin application. Do not apply undiluted. Leave-on scalp and body: maximum 1 to 2% in carrier oil or emulsion. Rinse-off shampoo and soap: 0.5 to 2% of total formula weight. Massage oil: 1 to 2% in carrier oil. Diffuser: 3 to 5 drops per 100ml water.

In Hair Oil: Dissolve at 0.5 to 2% in a carrier oil (coconut, jojoba, or castor oil). Apply to scalp and hair as a pre-wash treatment or leave-in oil depending on your formulation positioning. Perform a patch test before full application.

In Shampoo: Add at 0.5 to 1.5% to the cooled-down shampoo base below 40 degrees Celsius. The herbaceous aroma performs well in surfactant systems.

In Cold Process Soap: Add at 0.5 to 2% of total oil weight at trace. Rosemary EO is stable through saponification and the herbal aroma persists in the finished bar.

In Massage Oil: Dilute at 1 to 2% maximum in a carrier oil for body massage. Perform a patch test. Avoid applying to the face at concentrations above 1%.

Child Safety — Mandatory: Do not apply rosemary EO-containing products to or near the face of children under 2 years. Both 1,8-cineole and camphor can cause breathing difficulties in young children.

Camphor note for EU buyers: If this batch contains significant camphor (confirmed only after GC-MS), EU Cosmetics Regulation limits camphor to 0.5% in finished products. Buyers formulating for EU market must request the GC-MS report to calculate their compliance usage rate.

For formulation support or sample requests, contact the CosmySupplies team.

WhatsApp | Email: info@cosmysupplies.com

Technical Information

Pairs Well With

Peppermint Essential Oil creates an intensely fresh, invigorating herbal accord with Rosemary EO for scalp treatments, hair oils, and cooling body care products. The combination is one of the most commercially recognised herbal-cooling fragrance pairings in Indian hair care and is directly relevant to Ayurveda-adjacent scalp care positioning.

Eucalyptus Essential Oil amplifies the 1,8-cineole-driven clean freshness of rosemary in scalp and body care formulations, creating a sharper, more intensely fresh herbal composition suitable for products with strong herbal-cleansing positioning.

Lavender Essential Oil softens the sharp camphorous character of Rosemary EO, creating a balanced herbal-floral composition for hair oils and body care products where the rosemary herbaceousness needs moderating for broader consumer appeal.

Cedarwood Essential Oil adds a warm woody base that anchors the sharp herbal top of Rosemary EO in masculine and gender-neutral personal care fragrance compositions and in hair oils positioned for men.

Lemongrass Essential Oil at a low proportion (10 to 15% of the fragrance blend) adds fresh citrus brightness to the herbal rosemary character, creating a vivid herb-citrus composition for shampoos and scalp treatments.

Important Information

CHILD SAFETY — MANDATORY: Do not apply Rosemary Essential Oil or products containing it to or near the face of children under 2 years. Both 1,8-cineole and camphor can cause breathing difficulties in young children.

DILUTION MANDATORY: Must be diluted before any skin application. Never apply undiluted.

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