Save $62 SGD on the Tower 28 SOS Spray 16oz jumbo refill by shopping US stores

Why the 16oz Jumbo is Trending

If you have been following skincare trends on Reddit or TikTok lately, you know the Tower 28 Beauty SOS Daily Rescue Facial Spray is basically a holy grail for anyone with sensitive or acne-prone skin. The hypochlorous acid formula works like magic, but there is one major problem for those of us living in Singapore: the cost of those 4oz bottles adds up fast. Local markups and limited stock mean we often pay a premium for smaller quantities.

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Merchant Tower 28 Beauty Sephora US

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As of April 2026, the 16oz Jumbo Refill has become the most sought-after item for savvy skincare fans. This size is a US-exclusive value bottle that is meant to refill your smaller spray containers. It is significantly more cost-effective than buying individual bottles. Since this specific size is rarely found in Southeast Asian retail stores, the only way to get your hands on it is to shop US store options directly.

The Price Breakdown Math

I did some quick calculations to see if the effort of using a freight forwarder is actually worth it. A standard 4oz bottle of the SOS spray usually retails for about $28 USD (~$38 SGD). If you were to buy 16oz worth of product in the small bottles, you would need four of them, costing you $112 USD (~$152 SGD).

The 16oz Jumbo Refill retails in the US for $68 USD (~$92 SGD). Even when you factor in international shipping rates, you are still looking at a massive saving. By choosing the jumbo size, you are essentially saving $44 USD—which is roughly $60 to $62 SGD—on the product alone. This is exactly why skincare enthusiasts are choosing to use an international shipping service like comGateway to bridge the gap.

Shipping Estimates for Singapore

When you are planning your haul, it helps to know what the package will look like so you can use a shipping calculator accurately. Here is the breakdown for the Tower 28 16oz Jumbo Refill:

• Box Weight: Approximately 1.5 lbs to 2.0 lbs (0.7 kg to 0.9 kg). While the liquid is 16oz, the weight of the heavy-duty plastic bottle and the external shipping box adds up.
• Box Dimensions: Typically a small box (approx. 8 x 5 x 5 inches).
• Volumetric Warning: Because this item is relatively dense (liquid is heavy but doesn't take up much space), you likely won't be hit with high volumetric weight charges. However, if you add bulky items like cotton pads or beauty blenders to your shipment, always keep an eye on the box size.
• Battery Check: This item does not contain lithium batteries and is not pressurized (it is a refill bottle, not an aerosol), so it is very easy to ship.

To get a precise idea of what you will pay, you can check the international shipping fees on the main site. Using a tax-free US address in Oregon ensures you don't pay US sales tax, which keeps your initial purchase price as low as possible.

How to Buy From Difficult US Stores

One hurdle many shoppers in Singapore face is that some US beauty retailers—including the official Tower 28 site or Sephora US—can be picky. They sometimes block international credit cards or refuse to ship to addresses they recognize as forwarders. This is where the BuyForMe service becomes a lifesaver.

If your order keeps getting declined, comGateway's BuyForMe team can step in. They use a US-based payment method to purchase the items on your behalf. This is the most reliable way to ensure your jumbo refill doesn't get cancelled at the checkout stage. It takes the stress out of the process and guarantees that your 16oz bottle actually makes it to the warehouse.

Importing to Singapore in 2026

When bringing beauty products into Singapore, you need to be aware of GST/VAT and import duties. As of 2026, Singapore applies GST to all imported goods, including low-value items. You can find more details about how these are calculated in the customs tax section of the blog. Generally, if your total shipment value (including shipping) is under a certain threshold, the process is very straightforward, but it is always good to stay updated on the latest 2026 regulations.

Getting Started With Your Order

If you have never shipped from the US before, don't worry. The how it works page provides a step-by-step guide on how to use your tax-free US address. Once your 16oz Tower 28 spray arrives at the warehouse, you can even consolidate it with other purchases from stores like Glossier or Rare Beauty to save even more on international shipping.

For more specific questions about restricted liquids or storage times, the FAQ section is a great resource. By making the switch to the jumbo refill and shopping directly from the US, you are getting the best possible price for a product that has become a staple in modern skincare routines.