This hair isn't made of pineapple, it's just been dyed and gelled to look like pineapple leaves.
Pineapple Hair price in Growtopia: sells for about 3 WL (median of 37 offers from community Discords, past 30 days). Live price chart and the latest buy and sell offers.
Recently sold at: ANYTASK, THENASTUFF, KONOO, TUKKU1, WOBYE