Meaning of Candle Throw in Candle Making

lit candle in candle making shop

Candle throw is a term that refers to the amount of scent that a candle gives off, both when cold and burning. Hot Throw (HT) and Cold Throw (CT) may sound like fancy terms for those new to candle crafting, but it’s simply the aroma a candle emits.

The science behind achieving the best candle throw lies in understanding the intricate balance between various factors such as wax types, fragrance load, melt pool temperature, wick design, and container shape. In this article, we’ll discuss the importance of fragrance in handcrafted candles, how different waxes and fragrance oils affect scent delivery, and how you can evaluate and improve your hot and cold throw efficiently.

What is Cold Throw

  • Cold throw refers to the scent a candle emits when unlit
  • Fragrance Concentration determines the strength of the scent in a candle
  • Achieving a perfect cold throw requires understanding the harmony between fragrance concentration and perfume notes
  • Four essential steps to enhance a candle’s cold throw: choose high-quality fragrance oils, use the right wax, proper scent load, and test the candles

What is Hot Throw

  • Hot throw refers to the strength of fragrance when the candle is burning
  • The quality and type of aromatic ingredients impact hot throw
  • Wax types and different blends also impact hot throw
  • Balance between fragrance concentration and quality of aromatic ingredients is important for an optimal hot throw
  • Wick design and material influence fragrance diffusion in candle burning
  • Wax type and amount of fragrance oil need to be balanced for an excellent hot throw
Hot ThrowCold Throw
DefinitionThe scent a candle gives off when it is burning.The scent a candle emits when unlit.
Influencing FactorsWax types; quality, type, and concentration of aromatic ingredients; wick design; melt pool temperature.Fragrance concentration; quality of aromatic ingredients; type of wax; perfume notes.
StrengthDepends on the quality and type of aromatic ingredients, the correct wick design and material, and the balance between the wax type and the amount of fragrance oil.Determined by the harmony between fragrance concentration and perfume notes, the quality and type of aromatic ingredients.
Changes Needed To Improve ThrowChoosing an optimal wick material and design; balancing the quality and amount of aromatic ingredients; maintaining the appropriate melt pool temperature; selecting the appropriate wax type.Selecting high-quality fragrance oils; using the right types of wax; ensuring the appropriate concentration of scent

Importance of Fragrance Strength in Candle Making

You’ve probably noticed that some candles have a powerful scent even when not lit. It’s all about the strength of the fragrance when the candle is at room temperature. How strong or subtle it smells depends on various factors, including the fragrance concentration.

Fragrance Concentration refers to how much oil you infuse into your wax mixture. A higher concentration means a stronger scent and vice versa. But beware! Too high a concentration could lead to difficulties with wick burning or even cause the fragrance oil not to bind properly with the wax, resulting in pooling or seepage.

The quality and type of aromatic ingredients also play a significant role in determining throw. Essential oils or synthetic fragrances can be used; however, each brings its own strengths and challenges. Essential oils are natural but may have lighter smells that don’t carry as far, while synthetic fragrances can offer stronger scents but may contain unwanted chemicals.

Remember, achieving a perfect cold or hot throw isn’t just about adding more fragrance oils; it requires understanding the harmony between fragrance concentration and perfume notes within your candle recipe.

Importance of Scent Distribution in Wax

A well-scented candle is not just about the strength of its smell but also about how well the fragrance distributes when lit, the hot throw, and when unlit, the cold throw.

To ensure optimal scent distribution:

  • Consider Wax Types: Different waxes have different throws.
  • Soy wax gives off a softer scent, ideal for small rooms or situations where a delicate aroma is needed.
  • Paraffin wax offers a strong throw, hence more suitable for larger spaces demanding bolder scents.
  • Keep Scent Longevity in Mind: How long your candle retains its fragrance can significantly influence its perceived quality.
  • Choose high-quality fragrance oils that are specifically designed for candles.
  • Avoid over-saturation; too much oil may lead to poor burn performance and shorter scent longevity.

Ultimately, achieving an excellent throw requires balancing the right wax type and the amount of fragrance oil. Achieving this will provide an enriching sensory experience for anyone who lights your carefully crafted candle, making them return for more.

How to Decrease or Increase Candle Throw

Evaluating and improving the fragrance of your handcrafted candle can elevate its appeal, making it an aromatic treasure even before it’s lit. Your cold throw largely influences how enticing your creation will be to potential customers, interacting with their senses even without a flame.

Here are four elements that change candle throw:

  1. Choose High-Quality Fragrance Oils: Not all oils are created equal. Opt for superior quality ones that have been specifically designed for candles.
  2. Use The Right Wax: Different waxes hold aromas differently. Paraffin wax, for example, is known to give a good cold throw, whereas soy candle wax requires a greater scent concentration.
  3. Proper Scent Load: A higher concentration of fragrance oil can improve the throw but beware not to overdo it as this may lead to issues like seepage or poor burn performance.
  4. Test Your Candles: Use scent testing techniques such as smelling from different distances or in various room sizes.

By paying attention to these factors and regularly practicing smell testing techniques, you’ll master perfecting your candle’s throw in no time!

Wax Melt Pool and Hot Throw

The size of the melt pool in a candle significantly affects its hot throw and overall performance. The wax pool depth, the liquid blend of fragrance oil and wax that evaporates into the air, is crucial for releasing the fragrance into the surrounding environment. 

A larger melt pool exposes a greater surface area of fragrance oil, resulting in a stronger hot throw. Therefore, the melt pool’s size directly impacts the candle’s efficacy in delivering its scent.

Wick Size and Wick Material in Candle Throw

Candle wick design significantly affects the strength of the hot throw. Good wick design reduces smoke and allows the wax to melt evenly, impacting melt pool temperature and influencing the fragrance release into the air. A properly designed wick allows for a consistent and controlled burn, ensuring that the melt pool reaches the optimal temperature for fragrance delivery. 

The size and shape of the wick also play a role in creating a strong hot throw by controlling the wax is consumption rate and the flame temperature. By enhancing the hot throw, wick design is crucial in creating a captivating and satisfying aroma experience for candle users.

Curing and Testing for Better Candles Throw

Proper curing and testing of candles is essential to ensure consistent results. This is because the curing period allows the fragrance and wax to blend and develop fully, optimizing the fragrance delivery system. Testing methods during this period can help determine the optimal fragrance levels for a balanced hot throw.

By testing beyond the curing period, any potential variations or inconsistencies in the throw can be identified and addressed, ensuring that customers experience a consistently powerful scent.

Candle CuringCandle Testing
DefinitionProcess of allowing the wax and fragrance to bond, optimizing fragrance delivery.Evaluating the scent and burn performance of a candle in various conditions.
Influence on Candle ThrowEnsures optimal fragrance blending and scent development which contributes to improved candle throw.Helps determine optimal fragrance levels for balanced throw and enables early identification of potential variations or inconsistencies.
BenefitsImproves scent longevity and the overall sensory experience of the candle.Helps confirm effectiveness of throw, ensuring consistent scent delivery and optimal burn performance.
Recommended PracticeAllow your candles to cure for at least 1-2 weeks, depending on the wax type used.Test beyond the curing period in different room sizes and distances to account for variations in throw performance.

Candle Wax Types & Fragrance Oils

The type of candle wax and fragrance oils you choose can significantly influence your scent delivery. For instance, about 60% of handcrafted candles use soy wax due to its exceptional ability to retain and release fragrance effectively. Your wax selection determines your candles’ hot and cold throw.

Different waxes have unique characteristics that affect their fragrance absorption. Paraffin wax, for example, offers strong scent throws but isn’t as clean-burning as soy or beeswax. On the other hand, Beeswax has a natural honey-like aroma that adds depth to any added scents.

When it comes to fragrance oils, quality should be prioritized over quantity. A premium oil might seem expensive initially but it will deliver a more robust and lasting smell. Moreover, each oil has a maximum load – the highest amount that can be included without affecting candle performance.


Understanding the concept of candle throw is key to crafting high-quality candles. Balancing various factors, including wax type, fragrance concentration, wick design, and melt pool temperature, is critical in achieving an excellent fragrance throw. Therefore, being mindful of these factors and constant practice and testing can help any candle maker master crafting scented candles with an excellent fragrance throw.