3 x Su:m37 Water-full Marine Relief Gel Mask 3 STEP Sep. 2026 Set (10 Sheets) + Mask(5 Sheets) from Korea

3 x Su:m37 Water-full Marine Relief Gel Mask 3 STEP Sep. 2026 Set (10 Sheets) + Mask(5 Sheets) from Korea

$99.39
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3 x Su:m37 Water-full Marine Relief Gel Mask 3 STEP Sep. 2026 Set (10 Sheets) + Mask(5 Sheets) from Korea
  • 3 x Su:m37 Water-full Marine Relief Gel Mask 3 STEP Sep. 2026 Set (10 Sheets) + Mask(5 Sheets) from Korea
3 x Su:m37 Water-full Marine Relief Gel Mask 3 STEP Sep. 2026 Set (10 Sheets) + Mask(5 Sheets) from Korea

Su:m37

3 x Su:m37 Water-full Marine Relief Gel Mask 3 STEP Sep. 2026 Set (10 Sheets) + Mask(5 Sheets) from Korea

$99.39

Ships from Korea in 1–3 business days

Standard 7–15 · Express 5–10 business days. Postage by weight, shown at checkout. Rates
Shipping & duties

Ships from Korea via Korea Post. Processing 1–3 business days · Standard 7–15 / Express 5–10 business days. Shipping is by weight and shown at checkout. See rates.

US: customs fees may be charged on delivery (Aug 2025 US rule change). Canada: duties and taxes may be collected on delivery.
Freshness & authenticity

Bought in small batches from Korean authorised retail channels, so you receive the same current stock Seoul shoppers get. Sealed and unopened, with the manufacture or expiry date printed on the box.

Product details

Overview

Three of the Su:m37 Water-full Marine Relief Gel Mask 3 STEP sets. Each set holds 10 three-step sheets plus 5 bonus sheets, so every sheet gives you an ampoule essence, a gel sheet mask and a gel cream in one go.

Key Features

  • Three sets in one order: 30 three-step sheets plus 15 bonus sheets in total.
  • Three steps per sheet: Ampoule essence, gel sheet mask and gel cream, packed together.
  • No measuring: Each sheet is single use, so nothing is left over.
  • Water-full line: Su:m37's hydrating range.
  • Authentic Korean stock: Bought in Korea and sent to you directly.

What's Included

  • 3 x Water-full Marine Relief Gel Mask 3 STEP 10 sheets
  • 3 x Water-full Marine Relief 3 STEP bonus mask 5 sheets

The items are shipped from Korea directly.

Good to know

Where does it ship from, and how long does it take?

Packed in our Seoul shop and shipped from Korea by Korea Post. Orders are packed in 1–3 business days; standard delivery is 7–15 business days, express 5–10. Full rates.

Will I pay duties or customs fees?

US: customs fees may be charged on delivery following the August 2025 US rule change. Canada: duties and taxes may be collected on delivery. Shipping itself is by weight and shown at checkout.

How fresh is the stock?

We buy in small batches from Korean retail channels, so you receive the same current stock Seoul shoppers get. Korean packaging prints the manufacture or expiry date on the box.

Is it authentic?

Yes. Everything is sourced through Korean authorised retail channels, sealed and unopened. Never grey market, never counterfeit.

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