Refillable Lipstick Case with Sealed Snap-In Refill Pods

The problem

Lipstick is one of the most wasteful packaging formats in cosmetics: the bullet is a few grams, but the metal and plastic case around it is discarded each time. The patent points out two problems with ordinary lipsticks: the case can only be thrown away once the lipstick is used up, and people who change shades through the day have to carry several full cases. Refillable lipsticks have since become a strong trend with luxury and “clean beauty” brands, but many refill systems are fiddly or leave the bullet exposed.

The solution

The patent divides the lipstick into a reusable core (100) and a replaceable lipstick assembly (200):

1. The fork (10) has a ribbed rotating base (11) and a slotted mounting tube (12). Two longitudinal slots (121) run up the tube, each ending in short side slots; at the top are a first (122) and second (123) short side slot.
2. A spiral tube (40) with a helical groove (41) slides over the fork, and an aluminum sleeve (50) goes over the spiral tube. An O-ring (60) on the fork makes the twist smooth.
3. A connecting cup (20) inside the fork has two lugs (21) that ride in both the fork slots and the helical groove, so twisting the base moves the cup up and down.
4. A first cup (30) sits on the connecting cup through a twist-lock: its locking points (33) enter along a guide groove (23) between L-shaped blocks (22) and turn into a stop.
5. The refill pod contains the lipstick bullet (210) in a second cup (220), closed by an outer cap (230) that snaps onto a tail cap (240). Hooks (243) in the tail cap grip ribs (34) on the first cup.
6. In daily use the lipstick twists up and down like any other. Twisting until the lugs reach the topmost side slot (123) lifts the first cup and pod clear of the sleeve, where the pod can be removed and a new one fitted.

Who it is for

• Cosmetic brands launching a refillable lipstick line to cut packaging waste and build repeat refill sales.
• Indie and clean-beauty labels that want a refill system without developing a mechanism from scratch.
• Cosmetic packaging suppliers adding a refillable bullet mechanism to their stock catalog for private-label customers.
• Lip-balm and solid-stick makers - the same pod principle suits tinted balms, solid perfumes or concealer sticks.

How it works

The main parts

Using it

1. Daily use - twist the base to raise and lower the lipstick as usual.
2. To change shade - keep twisting until the cup reaches the top stop; the pod rises clear of the sleeve.
3. Lift the pod out, close it with its cap and put it in the bag.
4. Click in another pod by its tail cap and twist back down.
5. When a bullet is used up, only the small pod is discarded or recycled.

Applications

Refillable luxury lipstick lines

Premium brands sell heavy metal cases at a higher price and refills at a lower one; the case becomes a keepsake rather than waste.

Clean-beauty and low-waste brands

Refills reduce packaging per purchase, a message that matters to these customers. The sealed pod also keeps the bullet protected when sold on its own.

Multi-shade sets and travel kits

A single case with three or four pods replaces several full lipsticks in a makeup bag or a gift set.

Subscription and refill programs

Brands running replenishment subscriptions can ship slim refill pods by mail at lower weight and cost than full lipsticks.

Hotel, airline and gifting

Personalized or engraved cases with seasonal shades make a durable gift; pods let the recipient keep using the case.

Where it is less suitable

• Very low-cost mass-market lipsticks - the extra parts in the pod add cost that a budget product may not carry.
• Liquid lipsticks and glosses - this is a twist-up bullet mechanism; liquid formats need a different refill system.