6 to 8 weeks on average and 12 weeks at the very most.
Besides looking messy if you keep plaits in for too long it's also very difficult to diagnose any hair problems if you have extensions.
Hard water could be making your hair brittle or your hair fibres might not be getting enough moisture or protein. To see these issues you need to release your hair from the plaits.
There are things you can do to ensure your hair is doing well as discussed in these two blogs:
Get your FREE ebook on How To Grow Long, Healthy Natural Kinky or Curly Hair.
Click To Buy:
By Heather Katsonga-Woodward