Final answer:
Horace advises against trying to appear more attractive than one naturally is and criticizes the use of cosmetics as deceitful and immoral.
Step-by-step explanation:
In Satire III, Horace advises a person to not try to appear more attractive than they naturally are. He criticizes the use of cosmetics as deceitful and immoral. Horace suggests that a person should strive to be honest and not attempt to deceive others with their appearance.