Why Do Candles Cause Headaches? Here’s What You Should Know!

Updated on September 27, 2022

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Why Do Candles Cause Headaches?

Surprsing truth about migraines and candles

The initial purpose of candles was to provide light when there was no electricity. Candles have been used to light up rooms at night since dawn, but their original function was rendered utterly useless with the development of AC electrical supply.

Electricity has become ubiquitous globally in a relatively short period, and today, electricity is available anywhere. However, candles continue to be widely employed for decorative purposes in homes, so this doesn’t necessarily mean they’re no longer being utilized.

You may not know what chemicals are used in modern candles, but you probably don’t want them in your house.

Even though most people enjoy the soothing sounds of a candle flickering in the background, you should be aware that most candles may cause allergic reactions, trigger headaches, or even make your eyes itch. Some common side effects include coughing, sneezing, or extreme tiredness.

Even if none of these reactions applies to you, you should be aware that many modern candles on the market today are tainted with dangerous substances. It’s a great idea to weigh the hazards and only purchase high-quality adoration candles if you know the hidden risks associated with scented candles.

Most modern-day scented candle products contain chemicals that can negatively impact indoor air. We’ll discuss the components of these products that may be causing headaches and impairing the air in your home.

Moreover, you should also read our article about Can Scented Candles Cause Migraines. This may help you!

Wax Paraffin

Paraffin Wax

Today, kinds of paraffin are mainly used to produce most candlewicks. They’re a byproduct of the refining of crude oil into gasoline. Chemical bleaching is needed to bleach the petrochemical waste before converting it into paraffin candles.

Burning kinds of paraffin-based candles release toxic fumes which contain known cancer-causing agents, including chemical toluene, benzine, and acetone.

Diesel exhaust fumes contain the same substances as gasoline exhaust fumes. These include levels of benzene, formaldehyde, acetone, and xylene. They can cause some health issues, including respiratory illnesses, skin rashes, and allergic reactions.

Even though the candle wicks aren’t burning, Lighting paraffin wax candles release dangerous toxins into the air. Waxy materials also create soot, which contains toxic particles.

These tiny soot particulates enter deep into the lungs before reaching the bloodstream.

According to studies, ultrafine particles can potentially cause cardiovascular disease, stroke, lung damage, and cancer.

According to EPA research, scented wax candles release significantly higher amounts of volatile organic compounds (VOCs) than unscented candles.

Biological Smells

Common Perfume Ingredients: A to Z List

One of the main problems with using scented candles today is that they often contain harmful chemical substances to create pleasing smells. Today, most mass-produced cheaper candles use artificial fragrances and colors.

These scented candles release similar volatile organic compounds when lit at normal temperatures. The harmful chemicals released from these candles have been linked to asthma attacks, migraines, and other serious health conditions.

These harmful chemicals can lead to serious health issues, including headaches, nausea, and dizziness, and may even trigger an allergic reaction.

Read this article Are Scented Candles Bad to you?

The Wicked Core

What is your candle wick made of? – Honey Candles Canada

Coreless wicks are made of cotton, usually wrapped around a metal fixture to prevent them from sagging and falling into the melted paraffin.

It’s important to note that wicks that aren’t properly cored tend not to stay upright. If they’re sagging, they may become loose and fall out.

Candles were once made from wax dipped into tallow (animal fat). This was a common practice for candle making until the late 1800s, when the U.S. banned the import of animal fats due to concerns regarding the spread of disease.

Lead toxicity is a serious problem that causes health problems ranging from brain damage to renal dysfunction.

However, if you’re using a candle made from wax with a core of lead, zinc, or tungsten, you may release small quantities of these elements into the atmosphere.

Which Courses of Action Are the Most Secure?

Using scented candles or the vast majority of mass-made ones is a terrible idea. Considering that they contain artificial perfumes and potentially dangerous substances, selecting safer alternatives may prove to be the most prudent course of action.

The following are some frequent choices from which you can make your selection.

Essential Oils

No one should spend hundreds of dollars buying expensive scented candles anymore. Simply add a few drops of essential oil to your house humidifier and enjoy the fragrance throughout the whole room.

Essential oil vaporizers are extremely powerful, so using one is the best way to get the maximum benefit from them. However, don’t ever ingest essential oil vapors because they’re incredibly dangerous for your health.


Traditional pots of Poudre de fleurs (French for “flower powder”) are traditionally made from fruit rinds, woodchips, flower petals, and berry stems. Before the poudre de fleur is

Due to its powerful smell, the potpourri will form a nice fragrance for the whole house. If used improperly, it may cause some damage, so we’ll discuss these issues below.

Looking for answers if Is Candle Wax Toxic To Humans? Find Out Here!

Smell is one of the human senses which can flow through the whole body. I am the Founder of NeoCandle.com where we talk all about scented candles. Known as Candace the Candle Girl, I know pretty much all there is to know about scented candles. I make and sell them on Etsy and Ebay - so be sure to ask if you have any burning questions :) (pun intended ;) )

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