Apart from her group's activities, Hyomin has also starred in various television dramas such as My Girlfriend is a Nine-Tailed Fox (2010), Gyebaek (2011), The Thousandth Man (2012), and in various films such as Gisaeng Ryung (2011) and Jinx!!!

[10] Hyomin debuted in 2009 as a member of T-ara, which made their debut stage on July 30 on the music program M Countdown with their single "Lie".On June 14, 2011, Core Contents Media announced that Hyomin would take over leadership as T-ara's third leader for their comeback album, John Travolta Wannabe, and Japanese promotions.

[13] The show received positive reviews both fans and critics, earning several accolades, including an appreciation plaque from the Korean Ministry for Food, Agriculture, Forestry and Fisheries,[14] a President's commendation from Korea Rural Community Cooperation,[15] and a special award at the 16th Hongcheon WaxyCorn King Festival.

[33] Additionally, the song "Allure" became her fifth Number-one hit on YinYueTai chart, setting a record for the most chart-toppers by any Korean female artist.

[36] Much like her own group's career, Hyomin's discography is known for its versatility and creativity, with her experimental music and album concepts, while being directly involved in all aspects of production, from songwriting to costume design.

Her debut single, "Nice Body", sparked discussions on societal beauty standards, with PopMatters praising the music video's commentary on the pressure placed on women and pop stars.

[37] Hyomin is credited as the executive producer for her albums, contributing to the production of its costumes, hair styling, packaging, choreography, music video, design, and more.

[38] Recognized as "The K-Pop Female Rapper" by Vietnam's Women's Newspaper, her debut song as a songwriter garnered praise, particularly for its thoughtful lyrics.

[41] "The Fashion Icon" and "South Korea's Fashionista", as E-Times and Chosun Ilbo described her, Park has been recognized by multiple local and international publications.

Additionally, She has landed multiple covers and editorials of numerous prominent fashion magazines both in Korea and abroad, including for Allure, Cosmopolitan [50], Vogue, Marie Claire [51], #Legend (Hong Kong), GQ, Shanghai Entertainment (China), Nylon, Harper's Bazaar, InStyle,[4] Dazed [52] and BNT International.

[53] Hyomin has been a regular VIP guest at the Seoul Fashion Week since 2012, modeling for otable brands like Beyond Closet, YCH, FleaMadonna and pushBUTTON.

In July 2018, (Former) IOI and Weki Meki member Yoojung revealed that she was inspired by Hyomin's "Nice Body" performance to become an idol as quickly as possible.

Leaders in this system played a critical role in conceptualizing ideas, collaborating with composers, deciding on styling, and managing group activities and schedules while providing support for members' individual projects.

[11] Notably, Hyomin contributed to the production of the album by designing the retro-inspired stage costumes for "Roly-Poly" which featured patterns and styles reminiscent of the era, earning widespread praise.

[62][63] On June 4, 2012., Hyomin launched her exclusive clothing collection and solo shop on G-Market in collaboration with celebrity stylist Kim Sung-il.

[65] Hyomin also demonstrated her versatility by serving as the group's assistant photographer for their high-profile debut project, valued at approximately ₩1 Billion (~$980,000), and narrating their reality show 9 Days 8 Nights in Europe.

She personally curated hip-hop-inspired stage costumes, incorporating baggy clothing with electronic elements and traditional South Korean themes.

[63] In 2021, she designed a summer collection, in collaboration with Korean clothing brand LAZY CORNER, which included a set of dresses, tops and skirts.

The makeup line featured a variety of products, including essence cushions, artistic eyeliners, perfumes, lip-tail pencils, and radiance ampoules.

The event was graced by numerous artists and celebrities, including, Jiyeon;Eun-jung and Qri (T-ara), Woo-ri and Ji-sook (Rainbow), Yein (Lovelyz), Yebin (DIA), Jane (Momoland), Hwang Jae-gyun.

Hyomin, as the designer behind the brand, showcased her creative direction and eye for fashion, further cementing her position as a multifaceted artist and entrepreneur.

The brand, developed entirely under Hyomin's direction—from the recipe, design and visual concept, was accompanied by a pre-launch event hosted by the singer on November 30.

[75] Hyomin also served as the brand's ambassador and led the promotional campaign, which included distribution plans for large supermarkets and major liquor stores.

[79] By April 24, Brewguru announced that HyominSour has topped sales charts , surpassing one million units sold in South Korea within just four months of its launch, solidifying Hyomin's success as a culinary entrepreneur.

She personally delivered the donation to "Dongducheon Angel" Headquarters and held an additional fan-sign event to celebrate the Chuseok holiday with Boram and Qri.

[95] On March 8, 2022, Hyomin donated items to help the victims of the fire that started in Uljin, Gyeongbuk and has spread to Samcheok, Gangwon.