How to make pheromone candles, have you done this?

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I'm just starting off making candles and want to make pheromone candles. I've researched and researched but can't seem to find out how much pheromones actually go into the candle wax. For example, like how much pheromones go into a pound of soy wax. I'm at my wits end trying to find this out. Any advice would be greatly appreciated.