Troubleshooting How do I insert hair into my ProCare Auto Curler? Inserting hair into your Philips ProCare Auto Curler is easy. But there are some tricks to help you on your way. Twist the hair strand around your finger This will ensure that your hair is stretched with no loose hair strands before inserting it into the opening Start at the back Insert your hair starting at the back of the curler. The contours of the opening will guide your hair into the curling chamber.