Homemade All-Natural Blush (Recipe) 2 parts beet root powder to 1 part cornstarch. If you want to add more depth or make it darker add a little cocoa powder! Directions: Start with 1 tbs arrowroot powder or corn starch and add in 2 tbs beet root powder. Mix in a small bowl making sure to break apart any clumps. Adjust color to your liking! Done! To use: dip your blush brush in the powder, tapping off any extra. Apply to your cheek bones!