What side effects follow SkinVive injections?

The mistake here is reading a side effect list as a promise that nothing else can happen. A short list is easy to read as a complete one.
The reported side effects
news.abbvie.com, the maker's own newsroom, reports the following: "The most commonly reported side effects were redness, lumps/bumps, swelling, bruising, pain, tenderness, firmness, discoloration and itching."
That sentence covers the most commonly reported effects. Read it as the common list and a reason to ask questions, not a full inventory of what can occur.
How to read the list with care
The sentence names redness, lumps and bumps, swelling, bruising, pain, tenderness, firmness, discoloration and itching. Some of those can be seen and others are only felt, so check for both.
The sentence does not say how long any of these last, so do not borrow a timeline from a friend or a forum post. Anyone who gives you a confident number should be able to say where it comes from.
Who decides a reaction is normal
Do not decide by yourself that a change in your skin is normal. If something looks or feels different from what the injector described to you, call the injector who treated you and describe it. Waiting and guessing is the common mistake.
The sources linked here are worth reading before you book. The approval announcement from the maker is the place the side effect sentence appears. The Dermatology Times coverage of the approval gives a second account. A feature on the injectable that doubles as skincare and a piece on the first injectable of its kind available in the US show how it is presented to the public.
Read the list before, not after
Read the side effect list before the appointment, not after the first sign of trouble.