Fragrance

Rosmarinus Officinalis Flower Oil

INCI: ROSMARINUS OFFICINALIS FLOWER OIL

Reviewed by Rosie · Last updated 14 Aug 2026

Also known as: Rosmarinus Officinalis Flower Oil

A fragrant botanical oil traditionally used in skincare formulations

Best For Skin Types

All

Usage Frequency

As tolerated

What Is Rosmarinus Officinalis Flower Oil?

Rosmarinus officinalis flower oil is derived from the flowering aerial parts of the rosemary plant, a Mediterranean herb from the Lamiaceae family. The oil is extracted through distillation or solvent extraction and contains volatile compounds including phenolic compounds, flavonoids, and essential oils that contribute to its characteristic aroma.

In skincare formulations, this ingredient serves primarily as a fragrance component and sensory additive. It is incorporated into products to provide scent and has been traditionally associated with various plant-derived benefits, though its cosmetic role is largely olfactory rather than functionally transformative for skin.

How It Works

The oil's composition includes several bioactive plant compounds, particularly phenolic compounds and flavonoids, which are known antioxidants. These may help neutralise free radicals when applied topically, though the extent to which these compounds remain stable and bioavailable in finished skincare formulations is not well documented.

As a fragrance ingredient, rosemary oil functions by providing sensory appeal and contributing to the overall product experience rather than delivering measurable skin changes.

Clinical Evidence & References

Research on rosemary as a whole plant extract has suggested potential benefits for hair growth and scalp health, with studies identifying the presence of proteins, amino acids, vitamins, and volatile oils in the plant material. However, these studies focus on herbal preparations rather than isolated rosemary flower oil as used in cosmetic formulations.

Safety data from regulatory assessments of rosemary oil as a feed additive indicate it is well-tolerated at typical use levels. Direct clinical evidence supporting specific skincare benefits of rosemary flower oil in cosmetic products remains limited, and more research would be needed to substantiate claims beyond its fragrance function.

How to Use

Rosemary flower oil is typically used at very low concentrations in skincare products, primarily for fragrance. If you are using a product containing this ingredient, apply as directed on the product label. If you have a known sensitivity to fragrance components or are prone to fragrance-related irritation, patch test first or consider fragrance-free alternatives.

Safety & Precautions

Rosemary oil is generally well-tolerated in cosmetic use at typical concentrations. However, fragrance ingredients can occasionally trigger sensitivity in reactive skin types; discontinue use if irritation occurs.

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Part of a family

Rosmarinus Officinalis Flower Oil is a variant of Rosmarinus Officinalis Leaf Extract, the form you will most often see on an ingredients list.

A plant extract with purifying and antioxidant properties used in skincare formulations

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