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23years old

23years old Derma Sin Concealer (No.1 Glow Beige)

23years old Derma Sin Concealer (No.1 Glow Beige)

Rated  5.6 out of 7.0 by Japan's largest beauty community.

A concealer that feels comfortable the more you apply it

✓ 100% authentic. Direct from brand or official stores only

✓ Ships from Japan in 3-5 days

✓ Duties prepaid for US orders

 ✓ Track your order via your national carrier (USPS / Royal Mail)

Regular price $31.00 USD
Regular price Sale price $31.00 USD
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What it is

Dermasin Concealer was born from a collaboration between the technical expertise of 23 Years Old, a company that continues to research problem skin, and the makeup techniques of Korean makeup artist Ham Kyung-sik. With a focus on ingredients and functionality, it contains Houttuynia cordata extract* to treat skin problems while concealing redness and other issues. *Houttuynia cordata extract (skin conditioning ingredient) The fresh texture spreads thinly and provides a moist, matte, natural finish that can be used in place of foundation. The special angled tip is designed to be easy to use even for makeup novices, and is packed with ideas unique to makeup artists.

Ingredients

Houttuynia Cordata Extract, 1,2-Hexanediol, Phenyl Trimethicone, Titanium Dioxide, Aluminum Hydroxide, Triethoxycaprylylsilane, Stearic Acid, Butylene Glycol, Cyclopentasiloxane, Cyclohexasiloxane, Disteardimonium Hectorite, Propylene Carbonate, PEG-10 Dimethicone, Talc, Water, PVP, Iron Oxides, Cetyl PEG/PPG-10/1 Dimethicone (Vinyl Dimethicone/Methicone Silsesquioxane) Crosspolymer, Portulaca Oleracea Extract, DPG, Propanediol, Hyaluronic Acid, Hydrolyzed Hyaluronic Acid, Sodium Hyaluronate, Sodium Chloride, Trimethylsiloxysilicate, Sodium Benzoate, Potassium Sorbate, Zinc Oxide, Hydrogen Dimethicone, Caprylic/Capric Triglyceride, Stearalkonium Hectorite Polyglyceryl-3 diisostearate, Polyglyceryl-3 polyricinoleate, Panthenol, Polyhydroxystearic acid, Ethylhexyl palmitate, Isopropyl myristate, Isostearic acid, Lecithin, Tocopheryl acetate, Centella asiatica extract, Lavender extract, Basil leaf extract, Lilac extract, Althaea officinalis root extract, Angelica keiskei extract, Rosemary extract, Maltodextrin, Sugar hydrolysate, EDTA-2Na

How to use

Apply a thin layer before and after applying base makeup, focusing on areas where redness is a concern.

We ship internationally from Japan!

Frequently Asked Questions

Are the products you sell authentic?

Authenticity is 100% guaranteed. We source directly from the brand, or from official stores within Japan. 

All products are fresh off the shelves and never outdated.

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.