The ASPCA also specifies âspecies suitable to be companion animals include dogs, cats, horses, rabbits, ferrets, birds, guinea pigs and select other small mammals, small reptiles and fish. However, many other governmental agencies, associations and interest groups insist that horses are livestock.
What Is Zinc PCA. Zinc PCA is also a trace element where the PCA stands for Pyrrolidone carboxylic acid. It has similar functions in general so in some cases it can be used in situations where Zinc cannot because of the different structure.
One unique function of Zinc PCA is fighting the production of dihydroxytestosterone (DHT) which is one of the causes of hair loss. It is useful because it has antibacterial and antifungal properties and it is these properties which allow it to provide great results in eliminating the problem of oily hair.