Milani, the accessible color cosmetics brand, posted 19 consecutive quarters of growth by building exclusive product lines with its retail partners, according to CEO Mary van Praag speaking to Glossy. Instead of pitching the same assortment to every chain, Milani co-developed SKUs tailored to each retailer's customer base and shelf strategy.

The mechanism was collaboration at the product level. Milani worked directly with retail buyers to design exclusive shades, formats, or limited sets that existed only in that chain. The retailer gained differentiation and a reason to feature the brand. Milani gained committed shelf space, co-marketing support, and deeper buyer relationships. Van Praag credited this approach as central to the sustained growth streak, per the Glossy interview.

It worked because it aligned incentives. A generic assortment gives a retailer no reason to push your brand over the next one. An exclusive product gives the buyer a win: they can claim a launch, justify endcap placement, and avoid direct price comparison with competitors carrying the same item. The brand gets retail commitment that resembles a partnership more than a purchase order. In a category where shelf space is fought over and promotional calendars are rigid, co-developed exclusives create a structural advantage.

The underlying pattern is treating distribution as a co-creation process. Milani did not ask retailers to stock existing inventory. They asked what the retailer needed to win with their customer, then built product to match. That shift turns a transactional pitch into a strategic conversation. The retailer becomes invested in the success of the SKU because they helped design it.

A small physical-product brand can run the same play without a product development team on standby. Start by researching the retailer's current assortment and identifying a gap: a color they do not carry, a price point missing, a format their competitors offer but they do not. Approach the buyer with a proposal for an exclusive variant of your product that fills that gap. Frame it as solving their merchandising problem, not selling your inventory. Offer to co-brand the packaging or create a limited batch size to test demand. The key cost is packaging customization and minimum order volume, often as low as 500 to 1,000 units depending on your manufacturer. The return is shelf placement and a buyer who has skin in the game. Document the sell-through rate and use it to negotiate expanded placement or a second exclusive run. The retailer gets a story to tell their regional manager. You get a foothold that generic pitches do not earn.

The broader pattern is that sustained growth in physical goods comes from making your distribution partners look smart. Milani's 19-quarter streak was not built on viral marketing or influencer spend. It was built on giving retail buyers exclusive tools to differentiate their shelves and justify their space allocation decisions. That is a repeatable structure.