“Managing the 1% to the 99%”

All of our brand members strive to study their skin.
Skin concerns start from a variety of reasons, including stress and environmental factors.
Skin care insights ultimately start from the “basics.”

So that everyone can free themselves from skin concerns and have an exciting day.
23years old continues to study excitement today.

POINT 1. EFFECTIVE
By understanding the basic mechanisms of the skin, we research the optimal ingredients for each function.
When it comes to skin change, an effective solution begins with ingredients.

POINT 2. SAFETY
Is it effective simply because the content is high? Proper mixing is important for good ingredients.
We offer only safe and effective products that have been DERMATOLOGY TESTED through years of research and development.

POINT 3. EASY (Self)
Home care is not difficult; it should be easy to do on your own.
Management should be fun and not take up your valuable time.

Effective, safe and easy home care,
Start with 23yearsold.


※Information on app access permissions
In accordance with Article 22-2 of the Act on Promotion of Information and Communications Network Utilization and Information Protection, etc., consent to ‘app access rights’ is obtained from users for the following purposes.
We only provide essential access to items that are absolutely necessary for the service.
Even if you do not allow optional access items, you can still use the service, and the details are as follows.

[Required access rights]
■ Device information - Access is required to check app errors and improve usability.
[Optional access rights]
■ Camera - When writing a post, access to the function is required to take photos and attach photos.
■ Photos and Videos - Access to the function is required to upload/download image files to the device.
■ Notifications - Access is required to receive notification messages such as service changes and events.
■ Phone - To use call functions such as calling the customer center, access to the corresponding function is required.

Customer Center: 02-6969-7723