Straight hair ladies have a hard time styling curls as it tends to unravel in the middle of the day due to heat and humidity. However, this trick will give you the long lasting natural-looking locks you've always wanted.
How it works:
The foil act as a heat conductor and helps keep the curls coiled as it cools.
Roll your hair into a coil, wrap it in foil and press it with a flat iron for curls that will last longer.