The circularity pledge is clear, but the shelf still tells a single-use story. Price, convenience, product protection, and store operations shape what retailers can change. What would make reuse, refill and take-back work across brands and retailers, and what policy certainty does a retailer need before investing beyond trials? • Why does single-use packaging persist despite retailers' circularity commitments? • What would make reuse, refill and take-back work across retailers, brands, and production lines? • What policy certainty do retailers need before investing at scale?