Dress Code in Business

Does a dress code improve perfomance ?

How do you ask for a dress code policy ?

What should a dress code include ?

How does a dress code affect workers ?

How does a dress code affect customers/clients ?

How clothes influence workers performance ?

Why do do dress codes matter ?

How does dress code affect the workplace ?

What is the policy about colorful hair in business companies ?

Is it important to give a good first impression wearing a formal attire during an interview?

Why?