No4 heroin hydrochloride is white. here in the UK we usually get No3 brown (illegal) and white No4 if u are lucky enough to have a pharm heroin script which applies to about 1000 odd people and chronic cancer patients in their last stages of life.
You should see the movie "Never die alone" he talks about getting the best white heroin and deals it. Lying to peeps telling them it was coke...Then hed get em all hooked, it was cool