You need fragrance or essential oil suppliers who explicitly provide pet-safety documentation — many popular human fragrance ingredients (pennyroyal, clove, eucalyptus) are toxic to dogs and cats. On AJ Cosmo Labs, you can search ingredient suppliers by category and message them directly to request pet-safe COAs and IFRA compliance sheets before committing to any order.
Read the full guide on small batch pet shampoo formulation equipment and supplies →