Is red lake 40 halaal?

Question:

Is red lake 40 halaal?can u tell me which of the red colourings eg red 4 red 40etc is not halaal?

Answer:

Wa Alaikum As Salaam,

Natural red #4 is not halaal. It is also called cochineal, or carmine. The other colours are artificial and permissible.

DUHC