THE SMART TRICK OF BEIJING RED PEPPER THAT NOBODY IS DISCUSSING

I have been attempting to make an authentic Szechuan chili oil but have a tough time getting out just what chilis are used. I just watched a YouTube that implies I exploit Gochugaru. Most recipes say use chili flakes or chilies without staying unique.Are classified as the flakes or powder milder? I ordered some gochugaru on two independent situatio