Need advice! The picture is of a girl with her hair blowing in the wind, so I'm not sure about using the magic wand tool.
Have a look at this good video on using the Quick Selection Tool then Refine Edge...
I guess we should ask what version of Photoshop the OP is using.
One could arge that the OP should have provided that information by themselves and, if not, kind of deserves potentially being confused by having functionality presented that may not be part of their set-up …
Edit: But in all fairness I suspect I may have omitted such information myself when I first started asking questions on this Forum.
Not to mention that it seems somewhat remarkable howt many people seem to prefer talking about specific images to simply posting them (or lores or section of them) – which would make assessing the tasks in question often a lot easier.