If you have dreamed about applying henna on my hand: In both cases, you should do your best by calculating what may arise, it is up to you to take action or miss opportunities. Applying henna on your hand in your dream indicates that you will acquire property and booty, have good dexterity and gain profits in this way. It signifies remembering Allah, having taqwa, advancing on the path of truth, living in accordance with the Qur'an and Sunnah, and attaining peace and happiness.