The ethics of beards is discussed here. An excerpt:
But, while this may make some rational sense, Pratt acknowledges that growing a beard seems like a strange moral obligation; plus, facial hair has loaded connotations in many cultures. “It’s a symbol of manliness. In fact, it’s a symbol of patriarchy,” writes Pratt. “Growing beautiful facial hair might be the equivalent of creating a beautiful painting that’s oppressive towards women.”