Yes, it's very possible. In fact, if you want to transition into hair-wearing without people spotting what you have done, it's a good idea to aim for a look which is pretty close to what you currently have with concealers, and gradually increase the density/lower the hairline once people have got used to your look with the system. You are likely to be changing systems every 4-6 months anyway, so over a couple of years you can reverse your hairloss imperceptibly.