5 Best Rosemary Essential Oils in 2020

Rosemary (Rosmarinus officinalis) is a small evergreen plant that belongs to the mint family, which also includes the herbs lavender, basil, myrtle and sage. Rosemary oil is extract from the leaves and flowering tops; superior quality is obtained from flowering tops.

Onlinestrength.com reviewed the 5 best-selling rosemary essential oils in the United States, see our list of the highest quality rosemary oil brands below.

Best Rosemary Essential Oils
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These are the best Rosemary Essential Oils we tested ranked, in order:

There are a lot of rosemary essential oils online, but not all are created equal, especially when you start thinking about ingredient quality. Most rosemary oils on the market are made using low quality herb. That said, if you find a good brand of rosemary oil that uses organic quality ingredients, the benefits of the aroma are worth the price tag for most people.

The Best Rosemary Essential Oils

1. Plant Therapy Organic Rosemary Essential Oil

Looking to discourage hair loss and boost healthy hair? Plant Therapy Organic Rosemary Essential Oil can help keep those hair roots like new. Plant Therapy makes several herbal essential oils that are very high quality and easily compete with much more expensive brands. The most popular rosemary essential oil for hair health is currently USDA organic with no fillers or dilutions. Plant Therapy Organic Rosemary Essential Oil checks off all the boxes and is priced fairly.

2. NOW Foods Certified Organic Rosemary Essential Oil

Rosemary essential oil is extracted from the rosemary herb native to the Mediterranean. It was considered sacred in Greek origins. NOW Foods Certified Organic Rosemary Essential Oil has the perfect aroma that can boost reaction time, cognitive function, executive function and more. It’s an inexpensive rosemary oil that’s good for just about every need. The brand Now Foods is very well known in the supplement industry and recently started producing some of the highest quality essential oils on the market for cheap.

A study reported differential effects of lavender and rosemary on aspects of cognition, particularly working memory, but also that rosemary aroma led to an improvement in long-term memory compared with controls.

If you want to test the cognitive function, alert change, and other performance outcomes for yourself, this hedonic oil may help ease your cognitive load. You may find a significant correlation to having hedonic smells around your work area and your ability to complete cognitive tasks.

3. Aura Cacia Organic Rosemary Essential Oil

Aura Cacia Organic Rosemary Essential Oil gives off a fresh, herbaceous, and sweet aroma that most customers say is a cut above all other brands. Steam distilled to preserve potency and aroma. It’s from a reputable brand, that tests all of their oils to ensure purity (GC/MS tested). If you want a high concentration rosemary oil that’s made by a popular brand, this maybe the right pick for you.

This unique composition may contain more ursolic acid than other leading brands. However, only lab tests of the rosmarinic acid and ursolic acid concentration can prove that. The mode of influence of the aromas of plant essential oils on human behaviour is largely unclear.

4. Nature’s Answer 100% Pure Organic Rosemary Essential Oil

Nature’s Answer 100% Pure Organic Rosemary Essential Oil is a high quality oil that is non-GMO project verified and 100% gluten-free. It’s a no-frills pure rosemary essential oil that brings the organic ingredients and is made in the USA. Customers praise the fresh, herbaceous, and sweet aroma. If you want to test the cognitive performance health benefits of rosemary oil, this brand is might be a good cost effective starter oil.

Like the study done in Newcastle said, cognitive performance following exposure to rosemary essential oil aroma. See if your reaction time, eye movement, or subjective alertness change when you’re in the rosemary filled room.

5. doTERRA Rosemary Essential Oil

The doTERRA brand has become the fasted growing essential oil company in the USA. Their oils are often more expensive and viewed as more luxurious than any other brand on the market. This doesn’t necessary mean they contain more active compounds either. Active compounds aren’t determined by price but by lab tests. The price of doTERRA Rosemary Essential Oil is more affordable than most of their other oils and competes with most brands we reviewed on this list.

Many customers report using this brand to help maintain healthy scalp and boost cognitive performance measures.


Rosemary essential oil, derived from the beautifully smelling herb, has long been popular in folk medicine and is now proving beneficial in research several times. Research shows that rosemary essential oil may promote healthy nerve growth, neurological healing, and boost brain function. Rosemary essential oil is said to have anti-inflammatory and anti-fungal properties.

More mood assessments are still required to confirm previous research studies on mood boosting benefits.

  • Botanical Name: Rosmarinus officinalis
  • Extracted From: Leaves, Flowers, Buds
  • Color: Clear
  • Aroma: Fresh, Herbaceous, Sweet
  • Aroma Strength: Medium – Strong
  • Benefits: Nervous System, Joint and Muscle, Skin Health, Immune System, Circulation
  • Beneficial For: Fatigue, Energy, Overall Health, Joint Pain, Muscle Pain, Anxiety, Depression, Oily Skin, Acne, Blood Flow, Oxygen Flow, Memory, Focus, Stress
  • Uses: Massage, Aromatherapy
  • Common Extraction Method: Steam Distilled
  • Constituent Composition: Camphor, 1,8-Cineole, a-Pinene, Gamma-Terpinene, Camphene

Even in ancient Egypt and Greek times, the aroma, health benefits and inflammatory properties of rosemary oil were respected. From maintaining healthy hair, to keeping hair follicles healthy, the anti-inflammatory properties of rosemary oil have survived the test of time. Marie Hayag, a board-certified dermatologist, notes that rosemary's anti-inflammatory properties help to keep hair follicles healthy and dandruff at bay.

The use of rosemary oil has been traced back to ancient Greece, where the aromatic oil was used for cosmetic, religious and alternative medicine purposes. Today it's used in aromatherapy, the woody, evergreen scent of rosemary can effect human behavior by promoting relaxation and boosting alertness as well as cognitive performance, thereby improving working memory.

After the age of 50, both men and women experience some degree of hair loss, research on rosemary oil supporting hair growth and blunting hair loss is still in it's early stages. There is no way of being sure if the active ingredient in rosemary oil will support hair growth or not; even if it comes from the Mediterranean and is blended inside a Latin glass bottle with clary sage, bergamot, and oregano.

Similar with bergamot essential oil, sweet orange, and clary sage, when buying rosemary essential oil, always looking for one that is 100 percent pure, therapeutic grade and organic.

Rosemary essential oil should be diluted prior to topical application. Those with sensitive areas should use a carrier oil as high concentration of rosemary oil can be potent. To experience how rosemary oil for hair growth, try adding small amounts into coconut oil or your shampoo. Patch testing is recommend when testing new chemical composition on your skin and helps to avoid any burning side effect.

A study done by Newcastle showed improvements in cognitive performance following exposure to rosemary oil and lavender essential oil aroma. Try adding rosemary oil or lavender oil to your diffuser to help reduce stress hormone build up and get your working memory ready for intense focus.

Kster and Degel also did a study on pleasant aromas and improved performance. Kster identify that the more pleasant lavender was associated with better performance.

Many say bergamot, being a great natural antimicrobial agent, pairs well with rosemary oil for hair care, keeping hair shaft and follicles clear of bacteria (that could prevent hair growth.)

  • Topically – Generally a 2% Rosemary oil to 30 Fl oz carrier oil dilution ratio is recommended.
  • Aromatically – Can be used in a diffuser or vaporizer.
We spend a lot of time researching and reviewing Rosemary Essential Oils. The best rated brand can change from time to time due to updates in research or data. Be sure to check out our updated top rated list for any changes.

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Reviewed, ranked, and written by the onlinestrength.com professional editorial team

This research is supported by you, our readers, through our independently chosen links, which earn us a commission. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.