My personal blueprint for snagging the K18 90ml Jumbo bottle from US stores to Germany

Why I obsessed over the 90ml K18 Jumbo bottle

I have been a fan of the K18 Molecular Repair Hair Oil for a long time, but the 30ml bottles we get here in Germany just don't last long enough for my hair routine. When I saw that a 90ml Jumbo version existed as a US exclusive, I knew I had to have it. Not only does it last three times as long, but the cost per milliliter is significantly lower than buying three separate small bottles locally.

Start Your Buy For Me Request for K18 Molecular Repair Hair Oil (Jumbo 90ml US Exclusive)

Merchant K18 Hair Sephora US Dermstore

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I started looking at us trends to see if other people were doing the same, and it turns out this value size is a massive hit for anyone serious about their hair health in 2026. Since we don't have this size in the EU yet, I decided to build my own plan to get it delivered straight to my door in Berlin.

The blueprint for US shopping from Germany

My foundation for this plan was finding a way to shop like a local in the United States. Many US retailers don't ship liquid hair products internationally, or if they do, the shipping fees are astronomical. I realized I needed a package forwarding service to bridge the gap.

I decided to use comGateway because they provide a tax-free us address in Oregon. This part of the plan is crucial because it means I don't have to pay US sales tax on my purchase, which saves me about 7-10% right at the start. Using a freight forwarder made the most sense for a high-value item like the K18 oil.

Finding the right US store

I checked major retailers like Sephora and the official K18 US website. Because these stores sometimes have strict payment filters, I kept the BuyForMe service in mind. This assisted purchase option is great if a store refuses to accept my German credit card. Luckily, my payment went through, but having that backup plan was a relief.

Shipping Estimates for the K18 Jumbo

Before I committed, I used the shipping calculator to see what I would likely be paying. Since the K18 90ml bottle is relatively light, the costs were quite reasonable. Here is the data I used for my estimate:

I always recommend checking the estimate shipping cost tool before you buy, especially if you plan on adding other items to your shipment to maximize the weight limit.

Dealing with German import tax and VAT

Living in Germany, I am very aware of the Zoll (customs) requirements. Since the K18 Jumbo is a luxury hair product, I made sure to factor in the 19% import tax (VAT) that applies to items coming from outside the EU. I checked the latest guide on GST/VAT to ensure I had my paperwork ready.

By using a reputable forwarder, the customs declaration process was much smoother. I simply uploaded my invoice, and they handled the rest. It’s a lot easier than trying to navigate the customs office on my own.

My step-by-step guide to the checkout

I followed the how it works section on the site to make sure I didn't mess up the address format. Here is exactly how I did it:

• I signed up for an account to get my unique US suite number.
• I went to the US K18 retailer and entered my Oregon address at checkout.
• Once the package arrived at the warehouse, I received a notification.
• I chose my preferred shipping speed to Germany.
• I tracked the package across the Atlantic until it reached my doorstep.

If you've never done this before, I suggest looking at their step-by-step guide which explains everything from storage to consolidation. I actually waited a few days to see if any other popular products went on sale so I could ship them together and save on the base shipping rate.

Overall, getting the K18 90ml Jumbo bottle from the US to Germany was a success. My hair is happy, my wallet is happy because of the bulk value, and I didn't have to settle for the smaller bottles available here.