Most people go for clip-in extensions because they are easy ... and work your way up to the roots using a wide-tooth comb or ...
“If you use clip-in hair extensions for occasional wear only ... and work from the lengths to the ends with a wide-tooth comb. For best results, let your hair bundles air-dry if possible.
Brush regularly with the right tool Hack: Detangle your extensions with a wide-tooth comb or a special hair extension brush .