We are now living in an era of self-expression. People actively express their individuality through clothing, hairstyles, various accessories, and perfumes in order to distinguish themselves from others. In this context, the meaning of makeup can also be approached from a psychological perspective. Applying powder to brighten dull skin, using lipstick and blush to add vitality to the lips and cheeks, and applying various eyeshadows to enhance eye definition are not merely actions to conceal skin imperfections. Rather, makeup plays an important role in boosting self-confidence and making individuals perceive themselves as more attractive. In its dictionary definition, makeup refers to the act of using cosmetic products to decorate or alter parts of the face and body. This practice serves not only functional purposes, such as protecting the skin and providing moisture, but also fulfills aesthetic expression, personal identity expression, and social signaling functions. Makeup is used as a means of enhancing natural beauty or emphasizing a specific image, and its forms and purposes vary depending on the era and cultural context. In modern society, makeup also plays a crucial role as a tool for enhancing individual confidence, facilitating self-expression, and conveying a professional image. Furthermore, the variety of makeup products has expanded significantly. In addition to basic items such as foundation, lipstick, eyeshadow, blush, and mascara, newer products—including BB creams, cushion compacts, concealers, and lip tints—have been introduced, providing consumers with a wider range of choices. Makeup not only enhances physical appearance but also contributes to psychological stability and increased feelings of happiness. For example, studies have reported cases where individuals experienced increased confidence after transforming their appearance through makeup, which in turn positively influenced their satisfaction in daily life and professional environments. Thus, makeup has evolved beyond a simple tool for enhancing aesthetic value and has become an important cultural practice that expresses personal identity and emotions. In modern society, an increasing number of people use makeup as a medium for self-expression (Woman Chosun, December 2025). 
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