Why does the Kevis hair dye cream become watery after being squeezed out and stirred with a cotton swab?

After squeezing out the Kelvis hair dye cream, stir it with a cotton swab and it turns into water due to excessive foam. According to the relevant information, after squeezing out the Cavis hair dye cream, stir it with a cotton swab and turn it into water. You can let it sit for a while and see if there is no change. You can only use this water for dyeing. This water is Excessive foam will not affect the coloring effect, but will make the operation more difficult.