9 MOST Common Essential Oils + HOW To Use Them

Nine essential oil bottles are sitting on top of a dark wooden table. Background of a field of flowers and trees. Gold and white Galeano Massage logo in the upper right corner.

If you are new to aromatherapy essential oils, you may be wondering which essential oils to start with. Going with the most popular essential oil choices is a good place to start if you’re feeling lost and overwhelmed in the world of aromatherapy.

The 9 MOST POPULAR Essential Oils are:


You may have heard of a few of these nine most popular essential oils but were left wondering what they are used for and what precautions you should take. These are the things to know when using these nine most popular essential oils.


Lavender essential oil has been called the “Swiss Army Knief of Aromatherapy.” Lavender is grown in areas of Europe, the Mediterranean, and Asian countries. This essential oil has been widely used since ancient times.

It’s commonly known for its powerful relaxing and calming effect on the nervous system. Lavender also has antibacterial and antiseptic properties.

Lavender essential oil also has anti-oxidant, anti-bacterial, and anti-inflammatory properties that make it ideal for skincare, burns, and wound healing. It helps to combat depression, anxiety, and insomnia.

Many people like to use lavender essential oil in aromatherapy diffusers, oil roll-ons, oil or lotion skin care applications, air freshener sprays, nasal inhalers, and “neat” inhaled straight out of the bottle.


Peppermint essential oil is very commonly used for respiratory problems and indigestion. It’s commonly added to muscle ache formulations. Most chewing gum and breath mints contain peppermint due to its ability to remedy bad breath.

This essential oil is also good for headache relief and combating feelings of fatigue. It’s stimulating and cooling at the same time.

Peppermint essential oil can be used in an aromatherapy diffuser, muscle rub, oil roll-on, and nasal inhaler. Extreme caution should be used when applying peppermint essential oil on the skin since it can cause irritation, especially on sensitive skin.

Peppermint essential oil is commonly used to repel bugs and combat foot fungus and odor problems. It has anti-inflammatory, anti-septic, and anti-microbial properties.


Frankincense is one of the most ancient essential oils used. It’s on record as being used by the Egyptians in the mummifying process and is also mentioned in the Holy Scriptures.

This essential oil is very earthy, grounding, calming, and uplifting. It’s excellent in fighting the signs of dry, dull, aging skin.

Frankincense is effective for calming anxiety and relieving physical and mental stress. It’s also used for oral care.

This essential oil has been identified as having anti-cancer, anti-tumor, anti-inflammatory, anti-aging, immuno-modulating, and pain-relieving properties. It’s a very versatile oil that can be used in a diffuser, oil, lotion, and neat applications.

This is a great essential oil to add to your skincare routine, preparations to fight infections, and nasal inhalation if feeling overwhelmed and stressed out.


Patchouli essential oil is very commonly associated with the world of Aromatherapy and is usually the dominating aroma when you walk into the skin care aisle of any health food store.

This essential oil comes from Indonesia and has a very earthy and spicy aroma. It’s known for promoting feelings of relaxation, romance, and sensuality. It is added to many natural essential oil perfumes.

Patchouli essential oil is considered adaptogenic. Used in large quantities, it acts as a stimulant, and in smaller quantities, it acts as a relaxant. Some people have a very strong dislike for the scent of patchouli.

This essential oil acts as an anti-depressant, anti-inflammatory, anti-septic, anti-bacterial, anti-fungal, bug-repellant, and sedative. You can use patchouli essential oil in a diffuser, oil, lotion, room freshening spray, and DIY bug spray.


Lemon essential oil has a very purifying, uplifting, and stimulating aroma. It’s often associated with cleanliness. This essential oil can relieve feelings of fatigue and mental brain fog.

Lemon essential oil has anti-bacterial, anti-inflammatory, anti-oxidant, and anti-microbial properties. It can help to fight bad breath, oral infections, and relieve cough and allergy symptoms. It can also be added to bug-repellant preparations.

This essential oil has been identified as being able to stimulate lymphatic flow and may be useful in conditions where lymphatic drainage is a problem.

More often lemon essential oil is used in household cleaning solutions. It can be used to enhance the cleansing effect of laundry detergent, dish soap, all-purpose cleansers, and wood cleaners.

You can diffuse lemon essential oil as well as add it to room freshening sprays. Avoid using lemon essential oil in skin care for 6-12 hours prior to sun exposure since it is a phototoxic essential oil. If exposed to sunlight, skin with lemon essential oil on it may suffer from intensified sun damage and photoaging.


Orange essential oil may be confused with Neroli essential oil since they are from the same family. However, orange and neroli essential oils have different botanical names and different properties.

Orange essential oil has a bright, joyful, rejuvenating, and uplifting aroma. It’s associated with cleansing properties. Many like to add orange essential oil to their cleaning products.

This essential oil has anti-oxidant, anti-inflammatory, anti-anxiety, and anti-depressant qualities. It is considered a phototoxic essential oil and skin application should be avoided for 6-12 hours prior to sun exposure since this can cause photoaging and damage to the skin.

You can add this essential oil to spray room air fresheners, dish soap, laundry detergent, wood cleaners, and all-purpose cleaners. You can diffuse this aromatherapy essential oil and inhale it by means of nasal inhalers.


This essential oil has been referred to as the “perfume of love” and is appreciated for its ability to create feelings of optimism and calm an overworked and overwhelmed mind. It’s one of the most precious essential oils available since it takes 8,000 hand-picked jasmine blossoms to make one single gram of essential oil.

Jasmine essential oil is considered to be sensual, euphoric, comforting, and balancing. It’s been noted for its anti-depressant, anti-anxiety, anti-spasmodic, anti-inflammatory, and aphrodisiac effects. It may be beneficial for coughs and wounds.

This essential oil may have effects on the hormonal system, although unproven. It may help enhance and prolong lactation and ease the symptoms of menopause.

Tea Tree

Tea tree essential oil originates from the Australian tea tree. This oil is very popular due to its anti-septic, anti-viral, anti-bacterial, anti-fungal, and anti-microbial properties. Since it doesn’t sting like alcohol when applied to a wound it is ideal for cleaning cuts and burns.

This essential oil has a very medicinal earthy aroma and is commonly used for disinfecting and cleansing jobs. Many people like to use tea tree essential oil for acne, skin infections, warts, scalp issues, bad breath, and foot problems like athlete’s foot. It’s important to not consume or ingest tea tree essential oil.


Eucalyptus essential oil is native to Australia and its nearby lands. This essential oil has a cooling, refreshing, invigorating, and stimulating aroma.

It has a superb ability to relieve respiratory problems such as nasal congestion, irritated nose and eyes due to allergies, and coughs with mucus. It’s also commonly used in sore muscle balms and lotions to calm inflammation and disturb the feeling of pain.

You can diffuse this essential oil as well as use it in spray room air fresheners and nasal inhalers. You can also add it to oil, lotion, or gel preparations for muscles. It may cause skin irritation, so those with sensitive skin should do a patch test first.

Eucalyptus essential oil has anti-inflammatory, decongestant, analgesic, immuno-modulatory, anti-septic, and anti-microbial properties. It’s a common favorite for those who are suffering from flu, cold, or allergy symptoms.

Essential oil bottles and an aromatherapy diffuser with a white background. Black and gold Galeano Massage logo.
Aromatherapy set for different applications

Are Essential Oils Absorbed Into The Bloodstream?

You may be interested to know; yes, essential oils find their way into the bloodstream.

They can be absorbed dermally, through the layers of the skin. Usually, you would apply essential oils to the skin by diluting in oil, lotion, or aloe vera gel. Diluting your essential oils in one of these mediums actually increases absorption into the skin, as opposed to putting pure essential oil on the skin.

Applying your diluted essential oil along with massage further increases the amount of essential oil that is absorbed into the bloodstream.

Essential oils can also find their way into the bloodstream through the olfactory system or inhalation. When we inhale air that has essential oil in it, the molecules of the essential oil enter the olfactory membrane in our nose, enter the blood vessels of our nose, and are quickly passed into the bloodstream, where they make it to our brains to be processed by different parts of our brain.

The majority of the essential oils inhaled through the respiratory system find their way into the lungs. Here in the lungs, essential oils are easily absorbed into the bloodstream because of the large quantity of blood vessels.

It’s estimated that 30–70% of essential oils are actually absorbed. Different essential oils enter the bloodstream at different rates. When they enter the bloodstream, they are passed to different organs to be processed. Essential oils affect the limbic system of our brain (aka “the seat of emotions”), and the information of that essential oil is stored in the hippocampus (aka our “brain’s filing system“).

Besides essential oils having their own powerful properties that have a specific effect on the body and mind, whatever emotions we felt when we smelled that particular essential oil is what we remember about that aroma. This can explain why some aromas can be very pleasing to some individuals and repulsive to others and cause symptoms of anxiety, excitement, or sadness for them.

It depends on what the environment was like and how their nervous system was responding for that person when they experienced smelling the aroma. It will become either a positive or negative experience for them depending on the external and internal environment.

Who Should Use Extra Precautions With Essential Oils?

Just because aromatherapy essential oils are natural doesn’t mean they’re safe for all people. These are powerful substances from nature and should be treated as medicinal substances.

The quality of the essential oil is also important to consider. The fresher and purer in quality, the stronger in effect, essential oil will have.

It’s important to properly dilute your essential oils before use.

Here is a general guide to diluting essential oils-

1 drop of Essential Oil5 drops of Carrier Oil
6-10 drops of Essential Oil1 Tablespoon or 15ml of Carrier Oil
Dilution of essential oils makes them more effective and safer to use

Internal Ingestion– Some people like to ingest essential oils by mouth but this should be avoided by the general public. Unless you are under the supervision and guidance of a qualified Aromatherapist or Medical Expert, avoid consuming essential oils. There are a lot of risks when ingesting essential oils by mouth.

Babies and Children

Age*Recommended Essential Oil*Dosage
0-6 monthslavender and chamomile1 drop essential oil to 10ml sweet almond oil
6-12 monthslavender, chamomile, and rose1 drop essential oil to 10ml of sweet almond oil
1-6 yearslavender, chamomile, rose, neroli, orange, and tea tree2 drops essential oil to 10ml of sweet almond oil
7-12 yearsany/all essential oils1/4 dosage strength of adult dose
*Always check with your child’s Pediatrician before using essential oils.
*Test diluted essential oil on the bottom of the child’s foot before using.

Pregnant and Breastfeeding– Many pregnant and breastfeeding women use essential oils without harm. However, it’s important to check with your doctor or midwife before using any essential oil.

There are essential oils that are recommended for pregnant and breastfeeding women to stay away from due to possible hormone changes such as Rosemary, Marjoram, Juniper, Hyssop, Fennel, Cypress, Clary Sage, Camphor, Basil, Geranium, Lavender, Tea Tree, Rose Otto, and Neroli.

You may find that many aromas are offensive or nauseous making for you when you are pregnant. It’s best to sample an essential oil first before diffusing it into the air or massaging it all over the body.

Epilepsy or High Blood Pressure– It’s recommended to not use Peppermint or Rosemary if you have these health conditions because they are known to stimulate the nervous system.

Cats– Since they lack an enzyme called glucuronidase which causes them to metabolize essential oils differently than humans make sure to keep Peppermint, Tea Tree, Spearmint, Birch, Wintergreen, Cassia, Cinnamon Bark, Oregano, Cumin, and Thyme essential oils away from cats.

Sensitive Skin– It’s best to do a patch test, such as on the inside of the wrist, before using any essential oil or carrier oil if you have sensitive skin. Discontinue use if signs of burning or irritation occur. Any essential oil will be more tolerable if it’s properly diluted.

Sun Exposure and Photosensitivity– Essential oils in the citrus family are known to cause heightened sensitivity to the sun’s rays which leads to photoaging and photosensitivity. It’s recommended to wait 6-12 hours after applying citrus essential oil to the skin before exposing that skin to the sun.

*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.

This article was written by and is the intellectual property of www.galeanomassage.com. If this article appears anywhere else on the internet it was stolen from the copyright owner.


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I've been practicing Massage Therapy since 2014. I'm a health and wellness enthusiast. I'm always learning and experimenting with different techniques, recipes, and healing modalities. I believe that we need to approach health and wellness from a WHOLE-listic point of view and understand that it will constantly be changing and is never stagnant. We are all unique and what works for one person will not necessarily work for another person. As I grow, change, and experiment I will share what I have learned as it may help someone else in need.

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