Reviews are social proof and a ranking input, which is why so many sellers get tempted by the wrong tactics. Amazon's rules are not vague on incentivized or gated reviews. If a program would look bad in an account health case, do not run it.
The compliant path is operational: a listing that converts, a post-purchase request through Amazon's official channels, and a product experience that earns the star. Vine, where eligible, is a legitimate early-review program — treat it as seeding, not a forever engine.
Inserts and packaging can remind buyers to share feedback as long as they do not steer toward five stars or off-Amazon collection. Keep the language neutral. The goal is more authentic reviews, not a better mix of ratings you manufactured.
Velocity matters more than a one-time dump of reviews. A steady trickle tells the algorithm the product is alive. Pair review generation with listing quality and ads so the new social proof actually meets traffic.
If you have a review problem, start with the product and the listing. Negative themes in recent reviews are a conversion leak. Fix those, then ask for more feedback. Compounding reviews follow a compounding offer.