Well after been wearing for 27 years, I am a great fan of synthetic hair (wouldn't have any other) on my 3/4 full cap.

No colour or very little colour fade, I blow dry it all the time on a medium heat.

I am not a fan of colouring even natural hair, changes the texture and in fact colours all the hair the same (natural hair is not like that) a very subtle difference between different hair colour

Paddy