Candle additives are usually safe in normal use when they match the wax, stay within supplier guidance, and are tested one change at a time. Candle makers often treat any additive as a red flag,...

Use UV inhibitors in candles to slow some light-driven fading or yellowing, choose the rate by supplier and wax, and confirm results with treated-versus-control testing. If you make white, pastel,...

Mason jars can work for candles, but only true canning jars that pass inspection and burn testing are worth using. This page answers the safety question first, then shows how to screen the jar,...

Candle jars handle heat better when the glass is properly annealed and sudden temperature swings are controlled. A candle jar can look solid and still fail when built-in stress or fast temperature...

A candle mold’s wax capacity comes from its inside cavity dimensions and usable pour height, not from the mold’s outside size. Getting the wax amount wrong can leave you short on a pour or...

Make pillar candles by using a simple mold, leaving room for shrinkage, then repairing sinkholes with a timed second pour before unmolding and finish work. This guide focuses on molded pillar...