Phenzacaine Powder is the latest blend product similar in make up to Synthacaine but Phenzacaines main ingredient is 3-FPM or 3F-Phenmetrazine. Many customers have asked for a more manageable version of 3-FPM so here it is! We think this product will be popular with researchers who have had good research with Synthacaine and can be experimented in similar ratios. Researchers are advised to limit testing to no more than two tests at a time. This product is sold only for research uses in laboratory settings.