I wondered why Japan's makeup aisles were missing the best Kaja Beauty Heart Melter sets until I found this workaround

The heart-shaped click-stick craze in 2026

I first saw the Kaja Beauty Heart Melter Lip Gloss Stick while scrolling through TikTok late one night. Even in early 2026, the obsession with K-beauty aesthetics remains stronger than ever, and Kaja has hit the sweet spot between adorable packaging and high-performance formula. The 'click-stick' mechanism is incredibly satisfying, and the heart-shaped tip actually makes it easier for me to define my cupid's bow.

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While Kaja is technically a US-based brand, its Korean roots are evident in the sheer, hydrating finish that we love here in Japan. My favorite thing about these glosses is the melt-on-contact feel. They aren't sticky like traditional glosses, which is why I was desperate to get my hands on the exclusive holiday and value sets that are currently trending globally.

Why I couldn't find the multi-packs in Tokyo

I spent a weekend checking my usual spots like Plaza and Matsumoto Kiyoshi, but I quickly realized a frustrating pattern. While we can sometimes find individual Kaja sticks in Japan, those viral multi-packs—the ones that save you a lot of money compared to buying singles—are almost exclusively sold in the United States. It felt like an invisible barrier was keeping the best deals out of my reach.

I noticed that shoppers in Singapore were already importing these sets from the US to get around local drugstore limitations. I decided that if I wanted that perfect gradient lip kit, I would have to look into an international shipping service to bridge the gap between Sephora US and my front door in Japan.

Shipping estimates and logistics for your makeup haul

When I started planning my order, I had to think about the physical logistics. Even though lip gloss is small, shipping costs can add up if you don't plan ahead. Here is what I discovered about the logistics for a typical Kaja Beauty Heart Melter order.

I suggest you use a shipping calculator to estimate shipping cost before you finalize your purchase. Knowing the international shipping rates beforehand helped me decide to add a few more items to my box to make the most of the base shipping fee.

My process for ordering from US stores

To get my Kaja sets, I needed a tax-free US address. Most US retailers charge sales tax based on the delivery location, but by using a freight forwarder like comGateway, I was able to use their Oregon-based address to avoid those extra US taxes. This made a significant difference in the total price of my haul.

I simply went to the Kaja website to shop US store items like the Heart Melter Glowy Lip Kit. If you find that a US store doesn't accept your Japanese credit card, you can always use a BuyForMe service. This assisted purchase option or proxy shopping method is a lifesaver when stores have strict payment filters.

My pro tip: Package consolidation

If you are like me and want to grab a few other US-exclusive brands while you are at it, I recommend using the consolidation feature. I gathered items from three different stores at my US address and had them shipped to Japan as one single box. This is one of the best ways to lower your overall shipping fees.

Understanding Japan's cosmetic import rules

Before you get too excited and order fifty lip glosses, we have to talk about Japan's Customs regulations. In Japan, there is a specific rule regarding the import of cosmetics: you are generally allowed to import up to 24 pieces of a single cosmetic item for personal use. If you exceed this, it might be classified as a commercial import, which requires much more paperwork.

I also made sure to check the list of prohibited items and restricted goods. While lip gloss is perfectly fine, some aerosol beauty products or high-alcohol perfumes have different shipping rules. By sticking to the Heart Melter sticks, I had no issues with my shipment clearing customs quickly. If you want to shop US ship international without the stress, keeping your quantities within the 24-item limit is the way to go.

Getting these viral sets delivered to Japan was much easier than I expected once I had the right address. Now, every time I 'click' my Heart Melter, I feel a little bit of pride knowing I bypassed the local stock shortages and got exactly what I wanted from the US.