I don't think that any special treatment need to clean a new stainless steel pot or pan. Soap or cookware cleaner and water is enough to clean stainless steel cookware before first use. But yes, you can season the stainless steel pan before first use to make it a little bit more nonstick.
Stainless steel pot or pan with 18/10 or 18/8 grade stainless steel is safe for healthy cooking. And I don't think that a scratched stainless steel pan is risky for healthy cookware. However, brands really matter when you are looking for durability and outlook design.
If Stainless Steel Cookware is ok for you then you can check Duxtop SSC-14PC whole-clade tri-ply induction cookware set. Another option could be Duxtop Whole-Clad Tri-Ply Stainless Steel induction ready cookware. And if you are looking for a nonstick cookware set, then T-fal E765SH Ultimate Hard...