Yes, it is absolutely safe to apply tomato juice on your face, even overnight. Tomatoes are known to help reduce open pores and blackheads.
While there are no specific risks associated with sleeping with tomato juice on your face, it is recommended to use tomatoes when you're indoors. This is because tomatoes can make your skin more sensitive to sunlight, potentially leading to sunburns.
To use tomato juice for your skin, simply cut a tomato in half and rub it all over your face, allowing the juice to saturate into your pores. Leave it on for 15 minutes or even overnight, and then wash it off.
You can also use a cotton ball soaked in tomato juice and apply it to your face. This can help to reduce inflammation and redness.
Remember that everyone's skin is different, so it's always best to test a small area of your skin first to ensure you don't have any adverse reactions.