Veterinary vaccines for injection are mainly divided into inactivated vaccines and live vaccines.

Pharmaceutical preparations used to treat skin rashes, skin irritations, fungal infections, and other diseases are often provided in the form of creams or ointments because they effectively deliver the active ingredient directly to the desired site, and the emulsification process is critical in its preparation.

Hyaluronic acid, as a safe water-based polymer, has applications in many products.