Is the Tower 28 16oz refill really worth the hassle of shipping to Singapore?

Why am I seeing this spray everywhere?

I have spent years dealing with sensitive, reactive skin that seems to flare up the moment the Singapore humidity hits. For a long time, I was skeptical of the Tower 28 SOS Daily Rescue Facial Spray. I kept asking myself if it was just overpriced salt water. After seeing it trend across Taiwan and the US for most of 2026, I finally decided to look into the science of Hypochlorous Acid.

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My skin loves it. It helps soothe redness and keeps my "maskne" at bay. But there is a huge problem for us in Singapore. Buying the small 4oz bottles from local resellers or international beauty sites is incredibly expensive. I realized that the real fans of this brand are all buying the massive 16oz refill bottle, which is currently a US-exclusive size. You just cannot find this value anywhere else.

The math behind the 16oz jumbo refill

When I compared the prices, the difference was shocking. A standard 4oz bottle costs a premium, but the 16oz refill bottle essentially gives you four bottles for the price of two. In 2026, we are all looking for ways to stretch our beauty budget. I found that by using a comGateway account to access US stores, I could buy the jumbo size directly from Sephora US or the Tower 28 official site.

We often get stuck paying a "convenience tax" when we buy from local resellers in Singapore who have marked up the price by 40% or more. By shopping the US store, I get the freshest stock and the lowest price-per-ounce available on the market.

How I get my Tower 28 fix from the USA

Since the jumbo refill doesn't ship directly to Singapore from most US retailers, I had to use a international shipping service. The process was much simpler than I expected. I just used my tax-free US address provided by my forwarder at the checkout.

If you are new to this, here is a quick look at how it works. You buy the product, send it to your US warehouse address, and then they notify you when it arrives so you can ship it home. I usually wait until I have a few other skincare items to ship together to save on the base shipping fee.

Shipping Estimates for the 16oz Refill

Before you hit that buy button, I want to share my estimates for the shipping logistics. This helps me avoid any surprises when the bill arrives.

I always recommend using a shipping calculator before finalizing your purchase. It allows me to see if adding a second bottle or a lightweight moisturizer would change the shipping tier.

Dealing with Singapore import rules

One thing I always keep in mind is the local tax situation. In 2026, Singapore's GST applies to all imported goods. I make sure to check the latest guidance on import duties to ensure I am not caught off guard by extra fees at the door. Generally, for personal skincare, you just need to be prepared for the prevailing GST rate on the total value of your shipment including insurance and freight.

Check our guide on customs tax if you are planning to buy more than just a few bottles, as bulk orders might have different requirements.

My final verdict on the jumbo refill

Is it worth the extra steps? For me, the answer is a definite yes. My skin stays clear, and I am not constantly worried about running out of my favorite spray. The 16oz refill is the only way I can justify the cost of high-end Hypochlorous acid in my daily routine. By using a freight forwarder, I can access the same deals that people in California or New York get, right here in Singapore. If you have sensitive skin that flares up in the heat, this might be the best skincare investment you make this year.