An honest filler quote comes with an honest conversation about complications. This article covers what two published sources say and which questions to bring to that conversation.
What the sources say about rarity
my.clevelandclinic.org states: "Serious complications are rare, and some of these side effects are only temporary."
Who does the work matters
pmc.ncbi.nlm.nih.gov adds a point about the process: "Proper patient selection, proper technique and right choice of fillers would minimize the incidence of complications."
That makes the injector part of the price conversation. A guide to choosing a plastic surgeon for dermal fillers gives you questions to ask.
Evidence from trials
Trials show how fillers are studied. A systematic review and meta-analysis of tissue fillers for the nasolabial fold area pools randomized clinical trials and is a reasonable place to read further.
The question that tightens a quote
Ask who handles a problem after treatment, and whether the quote covers that visit. A firm quote answers it in writing. For readers in Chelsea, Michigan, that answer is worth having before you book.