What ingredients are used in peri peri Powder?
Both are similar, and there are varied recipes for peri-peri powder, as well as sauce. What they have in common are peppers (one or more varieties) and the seasonings and spices. The sauce, of course, contains liquids. Although not meant to be comprehensive, here are many of the ingredients you'll see in basic recipes for both. 

Peppers: peri peri, red chiles (cayenne), birdseye chiles, thai chiles, serrano, sweet red pepper

Seasonings &amp; Spices: salt, sugar, garlic, onion, black pepper, lemon peel, cinnamon, cardamon, ginger, paprika, chili flakes, oregano

Liquids: water, vinegar, oil, lemon juice, lime juice