The math behind why I used a freight forwarder to get the Tower 28 SOS 16oz refill to the UK

Why I'm finally seeing Tower 28 SOS spray everywhere in 2026

I've noticed my skin gets really cranky during the UK winter, and even now in March 2026, the redness just won't quit. Like many of you, I've been tracking us trends to see what the skincare community is actually raving about. The Tower 28 SOS Daily Rescue Facial Spray has become a staple in my routine because of its hypochlorous acid content, which is basically a miracle for angry, acne-prone skin barrier issues.

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The problem I ran into was availability. While we can get the smaller bottles here, the real value is in the 16oz jumbo refill. This giant bottle is a US exclusive, and I've found that it's the only way to keep up with my morning and night routine without constantly running out. You might also like to check our guide: Read more: Losing £48 on Tower 28 SOS spray is the price of ignoring this US exclusive 16oz refill.

My calculation: US 16oz refill vs. UK small bottles

I sat down and looked at the numbers. In the UK, a standard 4oz bottle often retails for a price that makes me wince when I realize how fast I go through it. By looking at the international shipping options for the 16oz refill from US retailers like Sephora or the Tower 28 official site, I realized I could save nearly 40% per ounce. Even when I factor in the international shipping rates, the bulk purchase wins every time.

We often think that buying local is cheaper, but for US-centric brands, the markup and lack of bulk sizes in the UK really add up. I found that using a tax-free us address allowed me to buy the refill at the US domestic price, which is significantly lower than anything I could find on our side of the pond.

How I get my US orders to the UK

Since the 16oz refill doesn't ship directly to London from most US shops, I had to find a workaround. I used comGateway as my freight forwarder. It’s a pretty simple process: I shop us store sites, send the package to my assigned Oregon address (which is tax-free, saving me another 7-10% on US sales tax), and then they ship it to me in the UK.

If you're worried about the process, I recommend checking out their FAQ or reaching out to their help center. For those who find US checkout systems a bit finicky with UK credit cards, I’ve had great luck with their BuyForMe service. This proxy shopping option means they handle the purchase for you, which is a lifesaver when a store doesn't like my international billing address.

Check our guide on the process: Read more: The 2026 blueprint for getting the Tower 28 SOS jumbo refill delivered to the UK.

Shipping Estimates for the 16oz Refill

Before you hit buy, I wanted to share my estimated logistics breakdown so you can use the shipping calculator more accurately. Here is what I found for a single 16oz bottle purchase:

I always suggest checking the estimate shipping cost tool before checking out to make sure your total budget stays on track.

What I learned about UK customs and paperwork

One thing I was nervous about was the paperwork. I’ve heard horror stories about packages getting stuck in customs for weeks. However, my experience was surprisingly smooth. You might also like to see how others are doing it: Read more: People in the UK are receiving the Tower 28 SOS Daily Rescue Facial Spray Jumbo 8oz with almost zero paperwork.

When my international shipping service handled the export, they provided all the necessary digital declarations. I just had to pay the UK VAT when it arrived. Even with the VAT and shipping fees, I still came out way ahead compared to buying four separate 4oz bottles in London. If you have questions about specific items, the support team is usually very responsive about what can and cannot be shipped to the UK in 2026.