[doum] All doum Products On Sale for Amazon Prime Day. Skincare Brand Co-Developed by Japan and Korea Gaining Traction on Social Media

doum, a skincare brand developed by doum Co., Ltd. (Head Office: Shibuya-ku, Tokyo; Representative Director: Naoki Ota), will offer all its products, including the "Time Leap Serum," at sale prices during Amazon Prime Day and its early access sale, held from July 7, 2026 (Tue) 00:00 to July 13, 2026 (Mon) 23:59.

《Amazon Prime Day Sale Overview》

Sale Period

・Prime Day Early Access Sale: July 7, 2026 (Tue) 0:00 - July 9, 2026 (Thu) 23:59

・Prime Day Sale: July 10, 2026 (Fri) 0:00 - July 13, 2026 (Mon) 23:59

doum is a skincare brand born from joint development between Japan and Korea.

Its products are characterized by a blend of Korean cosmetic trends and Japanese quality standards, gaining attention on social media platforms like Instagram and TikTok, with an increasing number of influencers becoming users. During the sale period, the entire lineup, including the signature "Time Leap Serum" (regular price ¥2,980, tax included), "Toner," and "Pack Milk," will be available at special prices.

This sale, coinciding with Prime Day, Amazon's largest annual sales event, is an excellent opportunity for those who are curious about Korean skincare but unsure which products to choose, or for those looking for high-quality, affordable skincare, to try doum for the first time.

Serum (Time Leap Serum): https://amzn.asia/d/0hSRvsM4

Toner: https://amzn.asia/d/02HVTVc1

Emulsion (Pack Milk): https://amzn.asia/d/0eeZ7UbJ

*Sale is limited to Amazon Prime members.

1. Achieving Both Trends and Quality Through Japan-Korea Joint Development

Products are developed by combining the knowledge of trends and formulations from Korea, a leader in skincare, with Japan's quality control and pharmaceutical regulatory standards. It is chosen by those who like Korean cosmetics but also desire the peace of mind that comes with Japanese-made products.

2. Affordable Pricing for Continued Use

Because skincare is used daily, we've set prices that allow for easy, continued use. The serum, priced at ¥2,980 (tax included), achieves a "just right" price point between high-end and drugstore brands.

3. Authentic Reviews from Social Media

The brand has grown through authentic reviews on Instagram Reels and TikTok since its launch last year. The number of customers discovering the brand through influencer introductions is increasing.

About doum

"doum" is a skincare brand derived from the Korean word "도움 (doum)," meaning "help." The name was chosen with the desire to be a brand that helps support the skin every day.

"doum"은 한국어 '도움'에서 유래한 스킨케어 브랜드입니다.

매일 피부 곁에 다가가 도움을 주는 존재가 되고 싶다는 마음을 담아 지은 이름입니다.

Developed by combining Japanese quality standards and Korean skincare trends, the brand offers three products: "Time Leap Serum," "Toner," and "Pack Milk," available through e-commerce sites such as Amazon and Qoo10.

Official Website

https://doum.co.jp/

Special Subscription Course

https://doum.co.jp/lp?u=off

Official Instagram

https://www.instagram.com/doum.jp/

Amazon

https://amzn.asia/d/0d6qg2Ux

Qoo10

https://www.qoo10.jp/gmkt.inc/Search/Brand.aspx?brandno=134960

@cosme

https://www.cosme.net/brands/131065/

LIPS

https://lipscosme.com/brands/64197

Company Profile

Company Name: doum Co., Ltd.

Address: 1-22-12 Dogenzaka, Shibuya-ku, Tokyo

Business Activities: Planning and sales of the skincare brand "doum"

URL: https://doum.co.jp/