What oils should not be mixed together?

Author: Amalia Crist  |  Last update: Friday, August 22, 2025

Citrus oils, oils high in phenols, monoterpenes, ketones, esters, oxides, aldehydes, alcohols, sesquiterpenes, and lactones should not be mixed. Mixing incompatible essential oils can lead to skin irritation, respiratory problems, headaches, nausea, vomiting, and allergic reactions.

Which oils can I mix together?

The best carrier oils for mixing essential oils are coconut oil, almond oil, jojoba oil, and argan oil. These oils are lightweight, non-greasy, and easily absorbed, making them ideal for skincare and hair care blends.

What is the 30/50/20 rule for essential oils?

When it comes to blending essential oils by note it is a good idea to follow the 30/50/20 rule. This makes it easier to find the right balance between the oils used in your blend, with 30% being top note, 50% middle note and 20% base note.

What should not be mixed with used oil?

Do not mix other chemical wastes with used oil. If a hazardous waste, such as flammable solvents or heavy metals, is added to used oil, then the resulting mixture cannot be recycled and must be handled as hazardous waste.

What oils should not be used in hair?

5 Hair Oils to Avoid
  • Camphor Oil. Despite claims to the contrary, there's no proof that the oil prevents hair loss or promotes growth. ...
  • Castor Oil. There's little evidence that castor oil supports hair growth. ...
  • Lemon Oil. ...
  • Mineral Oil. ...
  • Olive Oil.

4 Ways MCT Oil Should NOT Be Used (When to Use Instead)

What oils damage hair?

What are the worst hair growth oils?
  • Castor oil. Castor oil is heavy and sticky and can cause acute hair felting, making your hair matted, hard and entangled even from the first use [19]. ...
  • Mustard oil. Mustard oil can cause irritation if left on your scalp for too long. ...
  • Marula oil. ...
  • Olive oil. ...
  • Mineral oil.

Can I mix all oils together for hair?

Mixing them might give you a wider range of benefits all at once. Customisation always works: Mix and match oils for your personal combo to treat exactly what is bothering you. Whether it's dryness, breakage, or just really slow growth, a personalized oil mix really can take care of a few birds with one stone.

What should you not mix oil with?

Mixing oils with different additive packages is never recommended. Doing so could compromise the additive performance of both constituents, cause corrosion of component surfaces and lead to increased mechanical wear. Trending of some oil analysis properties also will be compromised.

What doesn't oil mix with?

However, non-polar molecules only mix well with other non-polar molecules. This explains why oil doesn't mix well with water. Their molecules aren't able to bond.

What is frankincense used for?

Frankincense oil seems to kill some types of bacteria and fungi (yeasts). It is commonly used as a fragrance in soaps, lotions, and perfumes. People use frankincense for aging skin, wound healing, and many other conditions, but there is no good scientific evidence to support any use.

What is the best carrier oil for essential oils?

The Best Carrier Oils for Essential Oils
  • Jojoba oil - Best all-around carrier oil.
  • Fractionated coconut oil - Best for dry skin.
  • Blueberry seed oil - Best for hair and nails.
  • Olive oil - Best for dry scalps.
  • Sweet almond oil - Best for nourishing skin.
  • Rosehip oil - Best for anti-aging.

Which essential oils don't go together?

Which Essential Oils Should Not Be Mixed?
  • Peppermint and Eucalyptus.
  • Lemon and Lavender.
  • Clove and Thyme.

What is the best carrier oil for anti aging?

What Oil Is Best for Aging Skin? Rosehip oil is one of the best oils for aging skin due to its high content of vitamins A and C, which help to improve skin elasticity and reduce the appearance of wrinkles. Discover the benefits of Rosehip Oil.

What oils don't mix well?

For example, the scent of Peppermint and Lemon blended together produces a disagreeable odour. The combination of Peppermint and Thyme may lead to stomach irritation. There is also some evidence that skin irritation may be caused by the combination of Peppermint and Ylang Ylang, or Grapefruit blended with Lemon.

What oil should I not use?

Cooking oils can be a healthy source of fat and other nutrients, but it's important to choose the best kinds. Prioritize healthy fats, such as olive, avocado, and sesame oil. You'll want to avoid or limit less healthy cooking oils, such as soybean, corn, and canola oil.

What are the 4 liquids that don't mix together?

Oil is lighter, so it sits on top of the heavier water. More examples of liquids that do not mix with water are honey, corn syrup, and dishwashing soap. (NOTE: To see how this principle works with air, check out the Elephango lesson in the right-hand sidebar under Additional Resources.)

Can you mix and match oils?

Yes. If it's something you do only occasionally, mixing shouldn't damage your engine. Let's say you want to top off your oil, just to keep you rolling until your next regularly scheduled maintenance check. Mixing is alright, if the oil you use is the weight (or viscosity) recommended in your owner's manual.

How many oils can I mix together?

How many essential oils can you blend together? There really is no limit to how many oils you can mix together. Some of the best blends contain five, six, or more unique oils. However, eventually, if you add too many oils, the different notes can mix and mingle too much and lead to an undesirable outcome.

What cooking oil not to use?

Specifically, you should stay away from:
  • Soybean oil.
  • Corn oil.
  • Rapeseed/Canola oil.
  • Sunflower seed oil.
  • Peanut oil.
  • Cottonseed oil.
  • Safflower oil.
  • Grape seed oil.

What else does not mix with oil?

Oil and water are two liquids that are immiscible, meaning they will not mix together. Liquids tend to be immiscible when the force of attraction between the molecules of the same liquid is greater than the force of attraction between the two different liquids.

Which oil combination is best for hair?

Mix a few drops of tea tree oil with a carrier oil like coconut, almond, or sesame oil. (Avoid applying tea tree oil directly to the scalp, as this can cause irritation.) Massage the mixture onto your dry scalp. Follow with your normal shampooing routine.

For what is jojoba oil?

Jojoba is applied directly to the skin for acne, psoriasis, sunburn, and chapped skin. It is also used topically to encourage the regrowth of hair in people who are balding. In manufacturing, jojoba is used as an ingredient in shampoo; lipstick; makeup; cleansing products; and in face, hand, and body lotions.

Can I mix argan oil and olive oil?

Pure and Unrefined Argan Oil, popularly known as “liquid gold”, mixed with Olive Oil is a luxury for your hair, skin and body. Moisturizes the body.

Previous article
What is skinny body shape?
Next article
Does vibration break up fat cells?