@Szopen94 Very good first cut 👏 The only thing I would recommend is to try out remove.bg to remove the background from the source image, it basically does all the work for you and delivers very clean results

After removing the background there is also often still some outline left around the hair/beard, we have some tutorials here that explain how to clean that up https://sortitoutsi.net/content/360/guide-to-cutting-and-assorted-hints-tips-and-assistance