Final answer:
When a woman asks for your opinion on her hair, respond with a genuine compliment and offer your thoughts on her new hairstyle.
Step-by-step explanation:
When a woman asks for your opinion on her hair, it is important to respond in a respectful and considerate manner. You should give a genuine compliment and offer your thoughts on her new hairstyle. For example, you can say something like, 'Your hair looks amazing. The color and style really suit you.' Remember to use positive language and be tactful in your response.