The customer who subscribes on a welcome discount is often your least loyal. Caire's data shows that customers who return for a second purchase and then subscribe are more durable. Design your post-purchase flow to step customers toward subscription rather than leading with it as an acquisition tool.

Most skincare stops working in your mid-30s because hormone decline changes how your skin absorbs ingredients, not because the products are bad. Building around that biological reality, rather than trend ingredients, is what creates genuine product stickiness.

Benchmarking inside your category is a ceiling. Lorrie doesn't look at beauty competitors to understand retention, she looks at Chewy, Bombas, and K18. The mechanics of what makes customers return are the same regardless of what you sell.