Q&A for How to Tie Dye with Food Coloring

Let it soak in the salt water for 10 minutes, then rinse it out.

You can use lemon juice to make the mixture stronger. It works better, actually.

Yes, you can. Simply follow the tie dye procedure.

You can use apple cider vinegar instead of white vinegar, it works the same way.

Yes, just follow the tie dye procedure and check the fabric so you know how to set the dye.

As long as the cap's/hat's material can absorb the food colouring, then it will work.

Yes, you can. However, it may fade over time as food colouring isn't permanent like clothing dye.

The water dilutes the food colouring, so the colour is less dark. If you just use food colouring, then it may come out as a very dark colour. However, it would still work.

Putting the clothing into the dryer and washing it out will get the food colouring set, so no it would not come off onto your body.