The year she turned 23, she began posting videos to YouTube steadily.
The breakthrough yearThe year she turned 24, YouTube named Ssin the Korean individual beauty channel that had grown the most over the year. The Frozen Elsa makeup video she posted in February ranked ninth among YouTube videos to watch in Korea in Hankook Ilbo’s list, and in July her part in KCON LA as a CJ E&M partner was announced.
In 2015, the year she turned 25, she appeared as a creator at Google Korea’s YouTube 10th anniversary press conference. Her channel had more than 410,000 subscribers. In 2016, Seoul Economic Daily introduced her as a beauty creator with 1.05 million subscribers, and in September her channel was placed on the U+tv YouTube channel service.
In 2017, she was profiled in Forbes Korea’s POWER LEADER 2030, and in October she talked at Edaily’s W Festa about how she became a YouTube star.
In 2018, she appeared on JTBC’s Lansun Life and gave makeup consultations at Get It Beauty Con. In December she donated 11 million won to support older adults.
In 2019, she appeared in a beauty class on Produce X 101 and on Video Star, and in September she became an ambassador of the Community Chest of Korea. In 2020, a brush and pouch set made with Kumo Brush came out. In 2021, she took part as an ambassador in volunteering to make daily-supply kits.
In 2022, the underwear brand Coated Moupang, made with CJ OnStyle, was launched. In 2023, she made a special appearance in Netflix’s Celebrity. In 2024, she appeared as a mentor on tvN’s Find Super K.
In 2025, she attended the closing ceremony of the Community Chest of Korea’s sharing campaign, and in July was introduced as an ambassador of the Creator Media Industry Expo. In 2026, she was introduced as leading a session at a Cafe24 creator commerce conference.
Ssin (born 1990) began posting videos to YouTube around 2013, the year she turned 23, and became known on Dec 9, 2014, the year she turned 24, when YouTube named her the Korean individual beauty channel that had grown the most over the year. In 2016, the year she turned 26, she was introduced as having 1.05 million subscribers.
Ages are by calendar year (the year minus the birth year), birthdays aside.
Posted videos to YouTube steadily from 2013.
Source 02 · bnt News (Korean) · Beauty YouTubers’ recommended products · opens in a new tab The date the channel was created was not confirmed. The article says she had posted videos since 2013.Posted a video on her official YouTube channel that recreated Elsa’s look with makeup. It ranked ninth in Hankook Ilbo’s top 10 YouTube videos to watch in Korea that year.
Source 01 · Wikitree (Korean) · Elsa makeup video · opens in a new tabSource 05 · Hankook Ilbo (Korean) · Top 10 YouTube videos to watch in 2014 · opens in a new tabCJ E&M said that seven creator group partner teams, 10 people including Yangddeng and Korean Englishman, would take part in KCON LA on Aug. 9–10 and host programs on site.
Source 03 · Newsis (Korean) · CJ E&M KCON · opens in a new tab Date is that of the article announcing it before the event.ZDNet Korea and OSEN reported that she ranked first among Korean individual beauty channels that had grown the most over the year, in a ranking YouTube announced based on subscriber gains.
Appeared as a YouTube creator at a press event held by Google Korea. MBN reported that her channel then had more than 410,000 subscribers.
Source 06 · MBN (Korean) · YouTube 10th anniversary press conference · opens in a new tabSeoul Economic Daily, introducing DIA Festival, the MCN festival of CJ E&M’s DIA TV, listed Ssin as a beauty creator with 1.05 million subscribers.
Source 07 · Seoul Economic Daily (Korean) · 130 creator teams in one place · opens in a new tab The festival was Aug. 27–28; the date is that of the article before the event.LG Uplus opened its U+tv YouTube channel service and placed her channel among the popular channels by genre.
Source 08 · Kukmin Ilbo (Korean) · U+tv YouTube channel · opens in a new tabWas profiled with 1.2 million subscribers and 217 million total views.
Source 09 · Forbes Korea (Korean) · POWER LEADER 2030 · opens in a new tab The article is on p. 38 of the February 2017 issue; the date is the online posting date.Appeared as a beauty YouTuber with more than 1.34 million subscribers and talked about how she became a YouTube star.
Source 10 · Edaily (Korean) · 6th W Festa · opens in a new tabShowed her daily life as a creator alongside Daedoseogwan, Banzz and Yumdaeng.
Source 11 · Star News (Korean) · JTBC Lansun Life · opens in a new tabOn the first day of the event, she listened to audience members’ worries and gave makeup consultations.
Source 12 · Herald Business (Korean) · 2nd Get It Beauty Con · opens in a new tabDonated to the Community Chest of Korea and joined its Nanum Leader donor membership.
Source 13 · Edaily (Korean) · Community Chest of Korea ambassador kit making · opens in a new tab The timing is from a 2021 article that says December 2018; the day was not confirmed.Ahead of the third rankings announcement, she held a beauty class with the trainees and showed idol tattoo makeup.
Source 15 · News1 (Korean) · Produce X 101 beauty class · opens in a new tabAppeared in the 2019 Summer Special Lecture episode alongside Bang Mi, Lee Si-won, Yang Chi-seung and Song Gyeong-i.
Source 16 · Maeil Business (Korean) · MBC Every1 Video Star · opens in a new tabOn Sept. 23, one week after being named, she volunteered doing makeup for older adults at the Yongsan Senior Welfare Center.
Source 13 · Edaily (Korean) · Community Chest of Korea ambassador kit making · opens in a new tabSource 14 · Women’s News (Korean) · Makeup volunteering for older adults · opens in a new tab The date of the appointment is not in the articles. Only the statement that Sept. 23 was one week after the appointment was confirmed.The set is the Kumo + Ssin The Violet series, and she took part throughout its planning.
Source 17 · Prime Economy (Korean) · Kumo Brush collaboration · opens in a new tabTogether with Lee Yeon-bok and Kim Na-un, she made kits of daily supplies and messages of support to deliver to older adults living alone.
Source 13 · Edaily (Korean) · Community Chest of Korea ambassador kit making · opens in a new tabPresented Muffin Drawers, which she had worked on with CJ OnStyle’s product development team since about a year earlier, from choosing materials to planning the product.
Source 18 · Money Today (Korean) · CJ OnStyle collaboration · opens in a new tabAppeared in the series, where real influencers made special appearances, alongside Aiki, Risabae and others.
Source 19 · KBS Entertainment (Korean) · Netflix Celebrity press conference · opens in a new tabSource 23 · Wikitree (Korean) · Influencers in the Celebrity special cast · opens in a new tab Date is the release date.Appeared as a mentor, with Daedoseogwan, Julian and Park Jae-min, on a show in which finalists of the Ministry of Culture, Sports and Tourism’s policy promotion contest work on policy promotion.
Source 24 · Newsis (Korean) · Find Super K broadcast · opens in a new tab The first broadcast date follows the Dec. 19, 2024 Ministry of Culture, Sports and Tourism announcement.Attended the closing ceremony at Gwanghwamun Square in Seoul as an ambassador.
Source 20 · News1 (Korean) · Closing ceremony of the Hope 2025 Sharing Campaign · opens in a new tabWas introduced as an ambassador, with 1.43 million subscribers, of the event that the Ministry of Science and ICT and the city of Incheon would hold in Incheon on July 11–12.
Source 21 · Newsis (Korean) · Creator Media Industry Expo · opens in a new tab This is a pre-event report; a record from the day of the event was not confirmed.Edaily reported that she would lead a session at the creator commerce conference Cafe24 would hold on Sept. 10, on how a product carrying her name is made and brought to market.
Source 25 · Edaily (Korean) · Cafe24 Creator Step Up 2026 · opens in a new tab This is a pre-event report; a record from the day of the event was not confirmed.END OF SELECTED RECORDSSelected records, 2013–2026 · not a complete list of work. “Key moment” is an editorial label, not a measure of success.
What did they do, and at what age?
AgeTrail lines up the key moments of a life by age.
Debut and breakthrough are marked separately, and every record has a source.
Internet · South Korea
1990 —
Ages are counted from the birth year 1990: the year of the event minus 1990, birthdays aside. “Key moment” labels and the connecting story are AgeTrail's editorial reading.
Fact-checked: 2026.10.06 · An independent archive, not affiliated with the person or their agency.