Citrus acid itself is more commonly known as citric acid, and while it is primarily used as a food additive and preservative, the esters derived from citric acid, particularly those known as citrates, can be utilized in various applications, including as surfactants and emulsifiers.
However, when it comes to candle making specifically, the focus is typically on waxes (like paraffin, soy, beeswax, or palm wax) and fragrance oils rather than