How long does it take to heat up? Miguel Fox January 19, 2017 09:41 Updated Follow The brush takes approximately 60 seconds to heat up to the default temperature Of 360°F (180°C). Related articles Can I get a refund if it doesn't work? What’s the return policy? My brush won't turn off How do I clean the Foxybae Straightening Brush? Return Policy What is the max/min heat settings Comments 0 comments Please sign in to leave a comment.