Isa Knox

Isa Knox is a South Korean skincare brand focusing on anti-aging products with advanced biotechnology. It has a presence in Korea and internationally, offering serums, creams, and more.

Isa Knox is a South Korean cosmetics brand whose public identity is centered on skincare. It was formerly styled Ĭsa Knox and is known in Korea as 이자녹스. The brand is owned by LG Household & Health Care Ltd., placing it within one of South Korea's major consumer beauty and household-products groups. Available reference material does not establish an independent founding year or founder, and Isa Knox is not documented here as a separately listed company. Rather than a standalone corporate history, the available record emphasizes the brand's marketing development. Isa Knox has repeatedly used well-known public figures as spokespeople and models, allowing it to refresh its image over time and communicate with different consumer audiences. Jessica Alba was associated with the brand in 2005. The sequence then moved through South Korean celebrity representatives: Lee Hyori in 2007, Han Ga-in in 2010, Lee Min-jung in 2014, and Kim Hee-sun in 2018. Kim Yuna was identified as a representative in 2023. The succession shows a long-running endorsement programme spanning both internationally recognized entertainment talent and leading Korean cultural figures. The brand's business scope is described generally as cosmetics, with skincare as its principal area. The supplied sources do not provide sufficiently specific information to document individual ranges, formulas, product launches, research claims, distribution agreements, financial results, or detailed overseas operations. It is therefore most accurately characterized as a skincare-oriented cosmetics brand operating under LG Household & Health Care, rather than assigned unsupported product or corporate milestones. Isa Knox's history illustrates the role of brand architecture and celebrity marketing in the South Korean beauty sector. Its affiliation with LG Household & Health Care supplies a large corporate context, while its changing representatives provide the more visible consumer-facing history. The brand is recorded as active, although the available material is insufficient to describe its current sales channels, exact market coverage, or present product portfolio in detail.

1. 2023Kim Yuna becomes a brand representative

   Kim Yuna was listed as a later representative of Isa Knox.

   Source
2. 2018Kim Hee-sun becomes a brand representative

   Kim Hee-sun was listed as an Isa Knox spokesperson or model.

   Source
3. 2014Lee Min-jung becomes a brand representative

   Lee Min-jung was listed among Isa Knox's celebrity representatives.

   Source
4. 2010Han Ga-in becomes a brand representative

   Han Ga-in was identified as an Isa Knox spokesperson or model.

   Source
5. 2007Lee Hyori becomes a brand representative

   Lee Hyori was listed among the brand's spokespersons and models.

   Source
6. 2005Jessica Alba becomes a brand representative

   Jessica Alba was listed as an Isa Knox celebrity endorser.

   Source

Premium anti-aging skincare

• Isa Knox skincareSkincare

  The brand is primarily identified with skincare products within the South Korean cosmetics market. The available references do not specify verified product names, formulas, technical claims, or individual launch dates, so this entry describes the category rather than attributing unsupported characteristics to particular items.

• Isa Knox cosmeticsCosmetics

  Isa Knox is described broadly as a cosmetics company in addition to its skincare focus. No sufficiently detailed source material is available here to enumerate color cosmetics or other subcategories, and no specific flagship offering is identified.

• 2023Kim Yuna endorsement

  South Korea

  Kim Yuna was listed as a later Isa Knox spokesperson or model.

  Source
• 2018Kim Hee-sun endorsement

  South Korea

  Kim Hee-sun was listed as an Isa Knox representative.

  Source
• 2014Lee Min-jung endorsement

  South Korea

  Lee Min-jung was listed as an Isa Knox spokesperson or model.

  Source
• 2010Han Ga-in endorsement

  South Korea

  Han Ga-in was listed among Isa Knox's advertising representatives.

  Source
• 2007Lee Hyori endorsement

  South Korea

  Lee Hyori was listed as a spokesperson or model for Isa Knox.

  Source
• 2005Jessica Alba endorsement

  South Korea · International

  Isa Knox used Jessica Alba as a celebrity endorser, giving the brand an internationally recognizable advertising representative.

  Source

• 2023Kim Yuna associated with Isa Knox

  Kim Yuna was listed as a later Isa Knox spokesperson or model.

  Campaign
  Source
• 2018Kim Hee-sun associated with Isa Knox

  Kim Hee-sun was listed as an Isa Knox spokesperson or model.

  Campaign
  Source
• 2014Lee Min-jung associated with Isa Knox

  Lee Min-jung was listed among the brand's celebrity representatives.

  Campaign
  Source
• 2010Han Ga-in associated with Isa Knox

  Han Ga-in was listed as an Isa Knox spokesperson or model.

  Campaign
  Source
• 2007Lee Hyori associated with Isa Knox

  South Korean entertainer Lee Hyori was listed among Isa Knox's advertising representatives.

  Campaign
  Source
• 2005Jessica Alba identified as Isa Knox spokesperson

  Jessica Alba was listed as a celebrity endorser or spokesperson for Isa Knox.

  Campaign
  Source

1. Isa Knox
2. Isa Knox official website