First of all a very happy holi to you. Holi is a festival of colours, happiness, meeting our guest etc. But now a days the Holi is not safe because some people tried to attack people for their own need and fun. So following these points help me and my family to prevent these accidents they are -
Buy only does colour in the market which have low smell of flowers because in does colour having chemical so avoid these colour. Buy non smell colour so that it cannot harm your body.
Whenever you go to play Holi firstly use face creams which have highly oil extract so that it protect the skin form hard colour.
3.take a plastic mask for your face skin so that it dont harm your deliberate skin.
So these points are very helping me to keep secure for colour accidental condition.