Reply briefly, acknowledge the specific problem, say what you will do, and move the conversation to a private channel. Your reply is not for the reviewer. It is for the next hundred buyers reading it.
The four-part reply
Acknowledge the specific issue. Not "sorry you feel that way", which reads as blame. Name the actual problem.
Take responsibility for your part. Even when the courier lost it, you chose the courier.
State the remedy. Replacement, refund, correction. Concrete, not vague.
Move it offline. Invite them to message you so the resolution happens privately.
Four sentences is plenty. The Review Reply Generator drafts one from the situation and tone you pick.
What loses you future sales
- Arguing the facts. Even when you are right, you look difficult.
- Long defensive paragraphs. Length reads as guilt.
- Copy-paste replies across every review. Buyers notice immediately.
- Silence. An unanswered complaint reads as an accurate one.
When the review is unfair
Reply politely anyway, correct the factual record once, briefly, and stop. "The listing states a 3 to 5 day processing time before shipping, and I am sorry that was not clearer" does the job without a fight. Then use the platform's reporting route if it genuinely breaches policy, rather than arguing in public.
Use the pattern, not the individual
One bad review is noise. Three about the same thing is data. If sizing comes up repeatedly, the fix is in the listing, not the replies. Rewriting that section usually removes the complaint permanently, and this guide covers how.
Why it is worth the effort
Review scores feed marketplace ranking, so a pattern of complaints costs you visibility as well as trust. A calm, specific reply on a bad review often reassures buyers more than an unbroken run of five stars.