RMK
(Restocking) RMK Designing Rich Serum, 30ml
(Restocking) RMK Designing Rich Serum, 30ml
@cosme rating: /7.0
RMK DESIGNING RICH SERUM
✓ 100% authentic
✓ Ships from Japan in 3-5 days
✓ Duties prepaid for US orders
✓ Tracked delivery via Japan Post
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What it is
A deeply penetrating serum that gives you firm, bouncy, firm skin. Contains "Stretch Effect Oil" that is highly stretchable and contains a three-dimensional polymer. It wraps around the skin and adheres tightly. It gives a uniform elasticity and shine, leading to a three-dimensional, well-defined expression. It also contains a "Multi-Phyto Complex" made of three types of botanical moisturizing ingredients and glycerin. moisturizing. The thick texture blends smoothly into the skin, giving you rich moisture and bouncy, firm skin. Quasi-drug. Up to the stratum corneum Cross-linked dimethicone. texture adjustment. Himefuuro extract, Shikuwasa peel extract. chinpi extract. , seagrass extract
Ingredients
How to use
. Do not use on areas with wounds, swelling, eczema, or other abnormalities. Use with caution to ensure no abnormalities occur on your skin. If the cosmetics do not suit your skin, discontinue use. (1) If you experience any abnormalities such as redness, swelling, itchiness, irritation, discoloration (white spots, etc.) or darkening during use. (2) If the above abnormalities occur after direct sunlight hits the skin where the cosmetics were used. Continuing to use the cosmetics may worsen the symptoms, so we recommend consulting a dermatologist. Be careful where you store the product to prevent accidental ingestion by children or people with dementia. Be careful not to get it in your eyes, and if it does get in your eyes, rinse thoroughly immediately. Close the cap tightly after use. Do not use in extremely hot or cold places or in direct sunlight.
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.