Plenty of people who are not Muslim wonder if they can wear a hijab, whether for modesty, comfort, travel or simply because they find it beautiful, and worry about being disrespectful. Here is an honest, respectful look at the question.
The short answer: In most contexts, yes. Covering for modesty, comfort, or respect when visiting a mosque or a more conservative country is widely welcomed. The main thing that gives people pause is wearing it as a costume or to mock. Intention and context are everything.
The reasons are varied and usually sincere. Some are exploring faith. Some cover for their own modesty or religious reasons outside Islam. Some find that a scarf calms sensory overwhelm or anxiety. Many simply want to respect local custom when travelling or visiting a place of worship. And some just find it beautiful and comforting.
A good rule of thumb: wearing it out of genuine modesty, comfort or respect reads very differently from wearing it as a novelty. Covering to enter a mosque, to honour a culture you are visiting, or because it genuinely helps you, is generally received warmly. Treating it as a party costume, or as a way to mock, is what causes offence. When in doubt, ask yourself whether you are honouring something or borrowing it for show.
Reactions vary, but a great many Muslim women respond kindly, and some are genuinely touched to see their dress treated with respect. Views are not unanimous, and some feel more strongly about it than others, which is worth remembering. If you are covering for a specific setting like a mosque or a country where it is expected, you are on very safe ground.
Usually not, when it is worn for modesty, comfort or respect. It is the costume or mocking angle that causes offence, not the scarf itself.
Yes, covering your hair to enter a mosque is expected and appreciated, and many mosques provide a scarf if you do not have one.
Wearing it because it genuinely helps you is a sincere reason, and is generally received kindly.
This is a respectful overview, and views within the Muslim community differ. If in doubt in a specific setting, a kind question is always welcome.
Ask the community if you are unsure about a specific situation.