RMK
RMK W Treatment Oil Special Set, 50ml
RMK W Treatment Oil Special Set, 50ml
Rated 5.4 out of 7.0 by Japan’s largest beauty community
Our #1 best-selling* oil comes with a foundation sample.
✓ 100% AUTHENTIC, SHIPS FROM JAPAN
✓ DUTIES & TAXES INCLUDED FOR US ORDERS
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What it is
[Set Contents] ・RMK W Treatment Oil (50mL/full size) ・RMK Liquid Foundation Flawless Coverage Plus 102 (pouch sample 1mL x 1 use) SPF22 PA++ ・RMK Cream Foundation Aquatic Glow 102 (pouch sample 1g x 1 use) SPF18 PA++ ・RMK Lasting Gel Creamy Foundation 102 (pouch sample 1mL x 1 use) SPF23 PA++ A special set featuring the No. 1 best-selling* oil and pouch samples of RMK's three major foundations. *2025 RMK Skincare Category Shipment Results RMK W Treatment Oil A pre-care treatment oil that combines an oil layer to soften the skin and a moisturizing layer to hydrate the stratum corneum. By using it at the beginning of your skincare routine, it prepares the skin to easily absorb subsequent moisturizing lotions and other products into the stratum corneum. RMK Liquid Foundation Flawless Coverage Plus: A liquid foundation that delivers a beautiful, three-dimensional, radiant complexion from every angle. While maintaining a natural look and meticulous coverage, it manipulates light and shadow to create a beautiful, three-dimensional, radiant complexion from any perspective. RMK Cream Foundation Aquatic Glow: A cream foundation that creates a fresh, dewy complexion that retains moisture. It fills the skin with moisture, allowing light to circulate and create skin that glows from within. RMK Lasting Gel Creamy Foundation: A gel-creamy foundation that delivers a frost-matte finish with the comfortable feel of a gel. It offers incredible coverage, creating a meticulously crafted look while achieving a realistic finish with abundant transparency.
Ingredients
How to use
RMK W Treatment Oil: After cleansing or moisturizing, shake well and take 4-5 drops, then apply to the entire face. RMK Liquid Foundation Flawless Coverage Plus: Take an appropriate amount in your palm and spread evenly from the center of your face outwards with your fingers. Then, gently tap with your entire fingers to ensure firm adhesion and create an even more beautiful glow. RMK Cream Foundation Aquatic Glow: Take an appropriate amount (pearl-sized) in your palm and spread it smoothly onto your skin as if melting a skincare cream. To finish, gently press your hands over your cheeks to warm the foundation and create a more dewy, glowing finish. RMK Lasting Gel Creamy Foundation: Take an appropriate amount in your palm and apply to the entire face with your fingers or a foundation brush. You can also layer it on areas where coverage is needed*. *Areas with noticeable redness or uneven skin tone.
We ship internationally from Japan!
Frequently Asked Questions
Is this authentic?
Yes. We only buy from official retailers and directly from the brands here in Japan. Never resellers, never grey market stock.
We are beauty lovers too, so we know the worry, especially with something you are putting on your face. Authenticity is 100% guaranteed by us.
What are your shipping rates?
On orders under US$75, shipping is a flat US$20 to the United States and US$10 to all other countries.
Orders of US$75 or more ship free, applied automatically at checkout. Your exact shipping cost is shown before you pay.
How long does delivery take?
These estimates are for International Airmail (Tracked) and include 3 to 5 business days of processing in Japan.
- United States: 12 to 15 business days
- Canada, United Kingdom, France, Germany: 9 to 12 business days
- Australia, New Zealand, Denmark, Finland, India, Indonesia, Italy, Netherlands, Spain, Sweden, Switzerland: 10 to 13 business days
- China, Hong Kong, Malaysia, Singapore, South Korea, Taiwan, Thailand, Vietnam: 8 to 10 business days
- Rest of the world: 11 to 18 business days
Actual delivery can be affected by customs clearance, seasonal congestion, or carrier delays in the destination country, all of which are outside our control.
Do you offer express shipping?
Yes. As of 22 July 2026, we offer International Express Mail through Japan Post. The cost is based on order weight and is calculated automatically at checkout.
Will I pay customs or import fees?
US orders: No. As of July 1, 2026, all US orders ship DDP (duties delivered prepaid), meaning we prepay all import duties on our end. Nothing is due at your door.
Orders outside the US: Possibly. Duties and import taxes are set by your local customs authority and are not collected at checkout, so any charges on delivery are your responsibility.
We're working on rolling out prepaid duties for more countries soon.