Rosemary Leaf Oil (Rosmarinus Officinalis Leaf Oil) is an Essential oil supplied by MakeYourSkin as powder / liquid depending grade for professional cosmetic formulation. Used worldwide across mainstream cosmetic formulation, it is valued for scalp / hair appearance.

What is Rosemary Leaf Oil?

Rosemary Leaf Oil is supplied under the INCI / technical name Rosmarinus Officinalis Leaf Oil and carries CAS number 8000-25-7.

It belongs to the Essential oil group and is available from synthetic, nature-identical, botanical or biotech routes depending on the grade ordered. The material reaches you as powder / liquid depending grade. It is an established cosmetic raw material with mature supply and well-understood formulation behaviour.

Key Properties & Benefits

• Scalp / hair appearance
• GC-MS profile and fragrance-allergen statement supplied with every batch.

Uses & Applications

Rosemary Leaf Oil is used in scalp serums, hair tonics, pre-wash oils, shampoos, conditioners, leave-in treatments and hair masks.

Typical applications from the catalogue record: Scalp serums, tonics, shampoos, conditioners.

In hair care it is split between rinse-off systems, where substantivity decides how much survives the rinse, and leave-on scalp serums and tonics, where the full dose stays on the scalp.

How to Use — Recommended Use Level

General rule: always begin at the lower end of the range, confirm the level against the supplier technical data sheet, and validate stability, pH, colour, odour and preservative efficacy on the finished formulation before scaling up.

Technical Specification

Regulatory Note

Essential oils are cosmetic ingredients but are not low-risk by default. Declare the 26 EU-listed fragrance allergens above 0.001% in leave-on and 0.01% in rinse-off products, observe IFRA use limits, and treat expressed citrus oils as potentially phototoxic unless they are furocoumarin-reduced. Supply the GC-MS profile, allergen statement and IFRA certificate to your safety assessor.

Sold as a cosmetic raw material for professional formulation. A published INCI name does not by itself authorise use: the buyer is responsible for confirming permitted status, maximum concentration, restrictions by product type, labelling and claim rules in every market the finished product is sold in. In India, cosmetics fall under the Drugs and Cosmetics Act 1940 and the Cosmetics Rules 2020 administered by CDSCO, with BIS standards (including IS 4707 Part 2) listing restricted substances. The EU applies Regulation (EC) No 1223/2009 and its Annexes; the United States applies the FD&C Act as amended by MoCRA; Korea, Japan and China operate their own positive lists and functional-cosmetic frameworks. Every finished product needs its own safety assessment.

Reference: Regulatory / scientific reference

Documentation Supplied

• Certificate of Analysis (CoA) for the batch supplied
• Safety Data Sheet (SDS / MSDS) in the current GHS format
• Technical Data Sheet (TDS) with specification, solubility and handling guidance
• INCI declaration and, where assigned, CAS / EINECS numbers
• GC-MS chromatogram and full compositional profile
• IFRA conformity certificate and EU fragrance-allergen declaration
• Non-GMO statement on request
• Vegan / animal-origin declaration on request
• Halal and Kosher certification on request where the supplier holds it
• Heavy-metal and microbiological test data on request

Available Pack Sizes

Supplied in 50 g, 225 g, 1 Kg and 5 Kg packs. Bulk quantities above 5 Kg, and drum or sack quantities, are available on request — contact the MakeYourSkin sales desk for a quotation and lead time.

Disclaimer & Caution in Use

For external cosmetic use in professionally formulated products only. This is a concentrated raw material, not a finished cosmetic, and it is not intended for undiluted application to skin, for ingestion, or for any medicinal purpose. Wear gloves and eye protection when handling, avoid raising dust with powders, and keep out of reach of children and pets. Always run a patch test on the finished formulation, and validate stability, compatibility, pH and preservative efficacy before sale. Information supplied is offered in good faith as formulation guidance and does not constitute a safety assessment, a regulatory approval or a medical claim.

Concentrated aromatic material. Never apply undiluted to skin. Contains naturally occurring fragrance allergens that must be declared above the labelling threshold. Citrus and certain other oils can be phototoxic. Flammable — keep away from ignition sources. Not suitable for use on infants, and pregnancy cautions apply to several species.

Fine powder — avoid generating and inhaling dust. Use local exhaust ventilation or a suitable respirator when weighing, and wet the powder into the formulation phase rather than dry-blending in open air.