Spontaneous Combustion Hot Sauce (5oz) - Poof you're gone! This Hot Sauce is for the palate pyromaniac who loves the true heat and flavor of the habanero and pure capsicum extract. Caution Extremely Hot. Has been created for the true pyromaniac, the one who says nothing is too HOT for me!! This gourmet Hot Sauce is made with the hottest commercially grown habaneros, and to make it even more combustible Southwest Specialty Food Inc has added pure capsaicin extract. Be careful it is extremely hot.