If you're considering bringing your own dip powder to a salon, there are a few things you need to know first. For starters, not all salons will allow it. And even if they do, they may charge you a higher fee for using their equipment and facilities. It's always best to call ahead and ask about their policy before assuming anything.
Now, onto the question of whether or not it's actually possible to bring your own dip powder to a salon. The answer is yes...but there are some caveats. First off, most commercially-available dip powders are only meant for at-home use. They're not formulated for professional application and may not adhere correctly if applied in a salon setting. Additionally, many salons have strict policies against using any outside products on their clients - so even if you could find a way to get the powder to stick, chances are good that the salon staff wouldn't be too happy about it.
So while you can technically bring your own dip powder to a salon, we wouldn't recommend it. Unless you're absolutely sure that the product you're using is meant for professional use and that the salon you're going to is okay with outside products being used, it's best to just leave the powder at home and enjoy a traditional manicure instead.