How to choose what kind of essential oil diffuser to use?

There are several types of essential oil diffusers, each with their own advantages and specific applications. Lat us look at what distinguishes them:

Evaporative diffusers

These diffusers are supplied with a fan that blows air through a filter soaked with an essential oil. The aroma is dispersed in the room without heating or adding water. Evaporative diffusers are quiet, easy to use and most appropriate for smaller spaces. They are often used in cars or other vehicles. However, they are not that suitable when you need long-lasting, even diffusion of the aroma.

Heat diffusers

As the name suggests, these types of diffusers use heat to evaporate the essential oils used – usually produced by a candle or an electric heating element. This method is effective for creating a warm, cozy atmosphere. Also, aroma candle lamps are among the most affordable options on the market.

The downside of heat diffusers is that excessive heat can change the chemical composition of essential oils and thus reduce their therapeutic properties. There can also be some negative effects of burning candles inside closed spaces1, which can make growing numbers of people want to avoid that.

Ultrasonic diffusers

These are the most common models and it certainly is not without a reason! They function by mixing water with essential oils to produce a fine mist under the effect of ultrasonic waves. Their main advantage is that they do not heat the essential oils, which preserves their beneficial properties best. Apart from that, they humidify the air, which solves the problem of dry air in the room.

Nebulizers

Nebulizers are the most effective type of aroma diffusers when it comes to extracting the therapeutic benefits of essential oils. They operate without water or heat, breaking the oils into microparticles and dispersing them into the air. This allows for most intensive and fast aroma diffusion. However, nebulizers are noisier and use bigger quantity of essential oils than other types of diffusers, which makes them a more expensive option in the long term.

Neither type of diffusers is “the best option for all times and people” – the choice would depend on your personal needs and preferences.

How many drops of essential oil do you put in a diffuser?   

The quantity of essential oils you need to use depends on four main factors:

• The size of the room

• The capacity of the diffuser

• The type of device used

• Your personal preference of aroma density

As a general rule, it is recommended to add 3 to 5 drops of essential oil in every 100 ml of water in the diffuser’s reservoir.

Here are some general guidelines to follow:

• Small rooms (up to 10 m2): 3-5 drops are absolutely enough for creating a gentle and pleasant atmosphere.

• Medium-sized rooms (10 – 20 m2): Add 5-8 drops to guarantee even aroma diffusion.

• Large rooms (over 20 m2): Use 8-12 drops of essential oil for achieving a stronger effect

• When using nebulizers you will need to follow the manufacturer’s instructions. 

It is essential not to use excessive quantity of essential oils since a very strong scent can cause headaches or discomfort, especially in closed spaces. In case aromatherapy is a new field of experience and knowledge for you, it would be better to start with smaller quantities and adjust gradually according to your preference.

Keep in mind that you will need smaller quantities of essential oils with stronger aroma (like peppermint or eucalyptus), while softer aromas like lavender can be used in standard amounts.

Best essential oils to use in an aromatherapy diffuser

While the choice of what essential oils to use would depend on your personal preferences or specific needs at any one moment, certain oils are considered to be an indispensable part of every natural remedy lover’s collection. The following are the 10 best essential oils to use in a diffuser:

1. Lavender oil

Lavender oil is a common choice and perhaps the most popular essential oil worldwide. Well-known for its relaxing properties, lavender oil has the potential to calm the mind and the body, to reduce stress and create conditions for better sleep. Its soothing scent also creates a cozy atmosphere, ideal for unwinding after a stressful day.

2. Frankincense oil

Frankincense oil provides multiple benefits including calming the mind and supporting the proper functioning of the respiratory tract. It is a valuable meditation facilitator as it promotes a sense of spiritual balance.

3. Citrus oils 

Citrus oils like lemon, grapefruit and bergamot have an energizing and refreshing effect. What is specific for them is that they are usually extracted through cold press, which preserves the freshness of their aroma.

Despite the lack of specific scientific research into their therapeutic efficacy when diffused, they certainly create an atmosphere of irresistible freshness at home. Bergamot oil (the recognizable ingredient of Earl Grey tea) has the power to balance emotions and uplift our mood.

To make a refreshing blend of citrus oils, add the following quantities to 100 ml of water:

• 3 drops of bergamot oil

• 2 drops of lemon oil

• 1 drop pf grapefruit oil

Lemon oil provides freshness; bergamot adds sweetness while grapefruit creates depth.

4. Eucalyptus oil

Eucalyptus oil has a refreshing aroma and it also helps relieve respiratory problems. It creates a cooling sensation, which makes it an ideal remedy not only for frequent winter colds but for the summer heat as well.

Note: Avoid getting your face very close to the diffuser’s outlet when using eucalyptus oil in order to prevent skin or nasal irritation.

5. Rose oil

Extracted through steam distillation of delicate rose petals, rose oil is a real treasure for our senses. It is well-known as a powerful aphrodisiac but it also has the potential to relieve nervous tension, reduce stress while also invigorating the mind. Its gentle floral scent is perfect for creating a harmonious, romantic atmosphere.

6. Ylang-ylang oil

Ylang-ylang has a sweet, exotic fragrance which promotes relaxation and creates a romantic atmosphere. It is often used to balance emotions and get burdens off the mind.

7. Patchouli oil

Patchouli oil is characterized by its deep earthy aroma, which is ideal for alleviating physical and mental pressure. It is also valuable for its antibacterial properties and thus, a popular choice for air purification and conditioning.

8. Tea tree oil 

Tea tree oil also has the reputation of an excellent air purification agent due to its strong antimicrobial properties. Its intense aroma and powerful properties make it necessary for tea tree oil to be carefully diluted not only when used for local application but when used in a diffuser as well. It can be used as part of an essential oil blend in a 1:30 proportion of tea tree oil to other essential oils.

9. Cedarwood oil

Cedarwood oil is recognized for its rich, woody scent, which brings about a feeling of warmth and comfort. The valuable ingredients contained in cedar wood are extracted through the process of steam distillation.

Due to its soothing properties, cedarwood oil is often used to lower blood pressure and alleviate palpitation. It is also popular for improving sleep and creating a balanced atmosphere at home. Cedarwood oil is an excellent choice for anyone wishing to infuse their daily life with some natural serenity.

10. Roman chamomile oil

Renowned for its soothing and balancing properties, Roman chamomile oil is an excellent choice for creating a relaxing, cozy atmosphere. It is especially useful at the end of a long stressful day at work as it relieves tension and facilitates falling asleep faster. Its gentle, mildly sweet aroma makes it a wonderful addition to any essential oil blend.  

How often can you practice aromatherapy?

The frequency of use would depend on your individual needs and the way your body reacts to the effects of essential oils. Despite the fact that this therapeutic practice can create a relaxing, cozy atmosphere, overuse may lead to irritation and sensory fatigue.

The following are some common guidelines:

• Daily use: You can diffuse your favourite essential oil blends once or twice a day for a period of 20-30 minutes. This is just enough to make good use of the therapeutic benefits of essential oils without overdoing it.

• Targeted use: In case you want to use essential oils for stress relieve, better sleep or alleviation of different symptoms, use a diffuser according to need but no more than 3-4 times a day.

• Rotate aromas: It is recommended to use different oils alternatively to prevent desensitization or irritation of overuse of the same aroma.

It is very important to carefully observe how your body reacts to different scents. In case you start to experience headaches, dizziness or any other discomfort, decrease the time of exposure to the effects of the essential oil or the quantity of the oil used in the diffuser. When unsure what essential oils and what quantities are best for you – do not hesitate to consult an experienced aromatherapist.

Is aromatherapy suitable for children and pregnant women?   

Aromatherapy can be equally beneficial for children and pregnant women but its application requires special care and caution. Children’s and pregnant women’s bodies are more sensitive, so choosing appropriate oils and methods of application is essential.

For children

• Safe oils: Lavender, chamomile and mandarin oils are some of the best options for children. They have soothing properties; aid sleep and ease anxiety.

• Methods of use: The most widely recommended method for children is the use of a diffuser since it gently disperses aroma in the air.

• Age considerations: Do not use essential oils for babies under 3 months old, while for children under two years of age – consult a pediatrician.

For pregnant women

• Safe oils: Lavender, chamomile, mandarin and neroli oils are generally considered to be safe options during pregnancy. They help relieve tension, soothe muscle pain and improve sleep.

• Avoid certain oils: Some essential oils like rosemary, sage, basil and cinnamon oils can stimulate uterine contractions, so they should be avoided during pregnancy.

• Methods of use: Diffusing essential oils in the air is a safe method of use but the quantity should be limited to 2-3 drops of oil per 100 ml of water. 

Always consult a doctor or an expert before using essential oils during pregnancy or for children.

Which essential oils should be given careful consideration when used for aromatherapy?

Even though essential oils are natural products, not all of them are suitable for inhaling. Some are too intense, others can cause irritation to mucous membranes, yet others simply do not have a pleasant aroma. The following are some oils you will need to consider with care:

Essential oils that can irritate mucous membranes or cause allergies:

• Cinamon oil – strong, spicy aroma, containing ingredients whigh may cause irritation.

• Clove oil – rich in eugenol, which makes it likely to cause allergic reactions if used in high concentrations.

• Thyme oil – contains thymol as its main ingredient, which some people are sensitive to. In case you are prone to such reactions – make sure you only use it in a diffuser for short periods.

Essential oils which are safe only in minimal quantities: 

Certain essential oils should be diffused only in small quantities, as part of oil blends:

• Ginger oil – powerful energy stimulator and aphrodisiac with warm and spicy aroma, but should be sparingly used with caution.

• Tea tree oil – an excellent air purifier but its aroma gets too intense when used in high concentration.

• Rosemary oil – aids focus but it also contains substances which can irritate the respiratory system in sensitive individuals.

Essential oils which are not recommended to be used in a diffuser:

• Yarrow oil

• Chinese star anise oil

• Mountain savory oil

• Basil oil

• Nutmeg oil

Useful advice: Always use a diffuser in a well-ventilated room and start with minimal quantities when experimenting with a new type of oil. This will help prevent adverse reactions.

The most important thing to remember is that the safety of a particular oil for ingestion or skin application is not a guarantee that it is also safe for diffusing (inhaling).

Why choose Alteya Organics essential oils for your aromatherapy rituals?

Alteya Organics is a leader in the production and distribution of high-quality essential oils, combining traditional distillation methods with most moder, advanced extraction technology. Here is why our products are an excellent choice for your aromatherapy rituals:

• 100% certified organic oils                         All Alteya Organics’ essential oils are USDA Organic certified, which guarantees that they are ultimately pure essential oils – free from chemical fertilizers and pesticides.

• Rigorous standards of quality                    Our oils are extracted from plants grow in ecologically clan regions, including company-owned rose and lavender fields in the Bulgarian Rose Valley. Each essential oil is traceable to its source, which caters for utmost responsibility and supreme quality.   

• Tradition and innovation                           With over 20 years of experience, we combine centuries-old Bulgarian distillation traditions with cutting-edge modern scientific to offer products which are both authentic and modern.

By choosing Alteya Organics, you will not only get essential oils of premium quality but also the confidence that you are caring about yourself and the planet in the best possible way.                     

Diffuser-assisted aromatherapy offers a unique way to combine the pleasure of exposure to delightful aromas with the health and emotional benefits essential oils bring. Choosing the most appropriate essential oils for a particular purpose and using them with care and awareness are of key importance to safe and effective application of this method. Regardless of whether you goal is relaxation, harmony, boosting your energy or just fresh feeling at home, Alteya Organics’ supreme quality oils can be a reliable partner in achieving it.

Resources:

Yetman, D. (2020) Are candles bad for you? Myths and potential side effects, Healthline. Available at:https://www.healthline.com/health/are-candles-bad-for-you(Accessed: January 20, 2025).