It looks like your barber is just trying to exploit your condition to sell his product. I would not suggest TIGI products since they are very expensive and it might not be beneficial in your case. There are lots of cheap products and DIY solutions to take care of dandruff. If you are genuinely...
You should consider Sennheiser CX 180. I ordered these from Amazon during festive sale for just Rs 500 now they are selling for Rs 750. Earlier I was using House of Marley Jamaica smile and skeptical what can better than these and cost just Rs 500 but to my surprise the Sennheisers are even...
It all depends whether OP is willing to wait for RX 5500 or buy now. We know nothing about variants, price, performance of RX 5500 series. He can pull the trigger on Gtx 1660 super now or wait for RX 5500, either way he'll be happy.