Request two to three submissions against your brief, an IFRA certificate, clear MOQ and cost-per-kilo, lead times, and a reformulation policy. Test each submission in your actual product, not just on blotters. The AJ Cosmo Labs iOS app connects you only with vetted houses and lets you track samples and message perfumers so vetting happens in one place.
Read the full guide on how to find a perfume fragrance house →