Im already at 26 weeks but with trial and error with shampoos and conditioners you can stretch as long as you want. I finally found products that I like Silk Elements Luxury poo and condish, and it has started making my stretch very easy, because I can detangle my hair with ease without pulling my hair out.
I wear my hair out all the time with my stretch and people think i'm freshly relaxed. I blow dry the roots straight and flat iron, it gives salon/relaxed looks every time
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in my pics the black shirt was a stretch i think 6 months or maybe a little less, and the other pic is from my current stretch maybe a month ago.
With a stretch I had in the past in the last month of my stretch I got cornrows, you can weave it up but just keep your scalp moisturized, at the last stretch years ago I used wild hair growth and at the time to me it enhanced my hair growth.