Here's a trick answer: you should condition your braid hair extensions if you would condition your growth hair if you weren't wearing braided extensions... and you would condition it, right? Right. Hair is hair, whether in braided extensions, under a wig or under hat and it requires some level of conditioning.
Protein is used in conditioners to help repair (reconstruct) hair, however protein can also dehydrate hair (as the protein contained in conditioners absorb moisture from the hair) which means the hair can become brittle and fragile.
You can choose a conditioner with added oils to help seal in the moisture (water) or moisturize the braid extensions after using conditioning (be sure to moisturize from the attachment point to where your growth hair ends within the braid extensions)
Good conditioners contain proteins that are absorbed by the hair and help rebuild each hair strand internally.
Great conditioners also contain oils to make the hair supple and seal in moisture.
It's always a good idea to deep condition your growth hair before you have braid extensions attached - in fact scrap that. It's more than just a good idea, it's vital if you're going to be unable to deep condition your growth hair whilst you wear braid extensions.
Another trick answer: You should condition your braid extensions as often as you would condition your growth hair if you weren't wearing braided extensions...
Since we like tips as well as tricks, we'll go ahead and say that you can condition your braided hair extensions as often as you wash them and if you haven't already read the braid extension washing guide, then here are the suggestions:
If you wash your braids often enough, then you won't need to rub or agitate the hair in order for it to be clean; which means the braids are less likely to fray.
Daily Styling: Well not quite daily, but every few days, braids can be lightly misted with a leave-in conditioner. Spray the leave-in conditioner along the length of growth hair. Be sure to maintain your braid extension moisturizing routine after using leave-in conditioner.
When Washing: You can deep condition by applying conditioner to the braid extensions (only along the length of your growth hair) putting on a shower cap and leaving for 15 minutes before rinsing (detailed steps below).
You can condition your braid extensions in the same way as you wash them. You can use this method (minus the combing) in the shower.
Conditioning braided hair extensions complete!
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