Candle Types, Waxes, Wicks, Fragrance & Colorants

A candle is a complete formulation and physical system. Candle format, wax, wick, fragrance, colorant, vessel, dimensions, and manufacturing method work together to determine appearance, burn behavior, safety, and production requirements.

Reviewed and updated August 2026.

Major Candle Types

Container Candles

Wax is filled into a heat-resistant jar, glass, tin, ceramic, or other approved vessel. Vessel geometry, adhesion, wick centering, and thermal performance are critical.

Pillars & Votives

Freestanding molded candles require structural strength, controlled cooling, mold release, and a wick selected for diameter and formulation.

Tapers & Dipped Candles

Built through dipping, drawing, molding, or combinations of methods. Wax temperature and cooling between layers affect finish and shape.

Tealights & Devotional Candles

Small or long-burning formats depend on the relationship between wax pool, cup or container, wick, and intended burn duration.

Outdoor, Floating & Utility Candles

Designed for a specific environment or function and may require specialized wick, vessel, stability, weather, or burn testing.

Novelty, Carved & Specialty Candles

Complex shapes, multiple colors, coatings, embedded design features, or carving operations introduce additional forming and testing variables.

Candle Wax Families

Wax Family	General Characteristics	Manufacturing Considerations
Paraffin	Petroleum-derived hydrocarbon wax available in multiple melting ranges and grades.	Widely used and blendable; fragrance load, shrinkage, cooling, and wick selection must be controlled.
Beeswax	Natural wax produced by honey bees; chemically distinct from paraffin and composed largely of esters along with hydrocarbons and fatty components.	Higher viscosity and natural variability can affect melting, filtration, wick selection, color, aroma, and cleanup.
Soy- and plant-derived systems	Often produced from hydrogenated vegetable oils and used alone or in blends.	Cooling profile, crystallization, surface appearance, fragrance behavior, and vessel adhesion require formulation-specific testing.
Palm and stearin systems	Used for crystalline effects, hardness, pillars, tapers, and regional formulations.	Raw-material sourcing, crystal structure, mold release, cooling, and wick performance should be evaluated.
Gel, synthetic and specialty waxes	Formulated for transparency, specialty appearance, technical performance, or a specific candle format.	Use only compatible fragrance, colorant, wick, vessel, and processing practices established for the material.
Blends	Combine properties from multiple waxes or additives.	A blend is its own formulation; melt behavior, viscosity, fragrance compatibility, cooling, and burn performance cannot be assumed from the individual ingredients.

Correction to the older page: not all waxes are “primarily hydrocarbons,” and waxes from petroleum, insects, animals, and plants do not share one uniform chemical composition. “Wax” is a broad functional and physical category whose chemistry varies by source and processing.

Wicks: The Candle's Fuel-Delivery System

A wick transports liquefied fuel from the melt pool to the flame through capillary action. The National Candle Association notes that there are hundreds of wick styles and sizes, and that wax type, candle dimensions, color, and fragrance all affect wick choice.

Flat and Square Braids

Braided or knitted fiber structures are commonly used in tapers, pillars, beeswax, and other applications. Construction influences curl, rigidity, fuel delivery, and self-trimming behavior.

Cored and Specialty Wicks

Paper, cotton, zinc, tin, wood, and application-specific constructions provide different stiffness and burn characteristics. Each must be evaluated in the finished candle.

Federal rule: metal-core candlewicks and candles using them may not exceed the U.S. lead-content limit in 16 CFR §1500.17(a)(13). The rule applies to products manufactured or imported on or after October 15, 2003.

Fragrance

The National Candle Association estimates that 75–80% of candles sold in the United States are scented. Fragrance may be derived from natural and synthetic materials, but every fragrance must be evaluated as part of the complete candle formulation.

Fragrance type and loading can affect viscosity, wick performance, flame behavior, color, surface appearance, adhesion, odor throw, and stability. Candle-safe fragrance guidance from a supplier does not eliminate the need to test the finished candle.

Colorants: Dyes and Pigments

Dyes

Dyes dissolve or disperse to color the candle body. Concentration, wax compatibility, heat exposure, fragrance, and ultraviolet light can affect shade and stability.

Pigments

Pigments are suspended particles often used for coatings, surface decoration, and opaque effects. Excess or unsuitable pigment can interfere with wick performance.

Why Every Formulation Requires Testing

Changing wax, wick, fragrance, dye, pigment, vessel, diameter, fill weight, or additive can change burn behavior.
Evaluate flame height, visible emissions, melt pool, wick condition, vessel temperature, remaining wax, and end-of-life behavior.
Test samples from actual production equipment and normal manufacturing conditions—not only small laboratory batches.
Document formulation, supplier lot, process temperature, cooling conditions, wick, vessel, fill weight, and results.
Follow applicable CPSC requirements, ASTM standards, labeling rules, and professional safety guidance.

Sources & Further Reading

Related Candle Manufacturing Resources

Candle Industry Facts & Manufacturing Considerations The History & Development of Candles The History of Candle-Making Equipment Candle Manufacturing Resources

Match the Equipment to the Formulation

Material type, viscosity, operating temperature, batch size, agitation, transfer, filling, and cleaning requirements should be reviewed together.

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