What is the best way to clean sunglasses?

Use a gentle lens cleaner or mild soap with warm water and a soft cloth.

How do I know which sunglasses frame suits my face shape?

Try different styles - aviator, round, square - based on your face's proportions.

Can sunglasses be worn at night?

It is not recommended as it can reduce visibility in low-light conditions.

How can I protect my sunglasses from scratches?

Store them in a protective case when not in use and avoid placing them face down.