Causes and intervention strategies for appearance anxiety: a critical review of recent advances.

Background: Appearance anxiety has increasingly been recognized as an important public mental health concern, characterized by persistent concerns regarding physical appearance and heightened sensitivity to social scrutiny. Visually oriented cultural norms, together with algorithm-driven social media environments, have been associated with appearance-related distress, particularly among adolescents and young adults, which may adversely affect psychosocial functioning. Objective: This study aims to develop a comprehensive biopsychosocial etiological model of appearance anxiety through a critical synthesis of empirical research published over the past decade (2015-2025). It also seeks to systematically assess the ecological validity and potential clinical applicability of existing intervention strategies. Methods: This narrative critical review synthesizes evidence from representative empirical and theoretical studies published primarily between 2015 and 2025. Relevant literature was identified through structured searches of major electronic databases, including PubMed, Web of Science, Scopus, and Google Scholar. Studies were selected based on their relevance to the conceptualization, etiological mechanisms, psychosocial consequences, and intervention strategies of appearance anxiety. Seminal studies published before 2015 were also included when necessary to provide theoretical and historical context for contemporary research. Results: The reviewed evidence suggests that appearance anxiety is associated with multiple interacting sociocultural, interpersonal, and individual factors: (1) Sociocultural factors: algorithmic content curation, coupled with the homogenized global beauty standards, may contribute to repeated exposure to "supernormal stimuli"; (2) Interpersonal factors: intergenerational transmission of parenting practices and rejection sensitivity within peer contexts form a social reinforcement mechanism for anxiety; (3) Individual factors: cognitive biases, such as upward social comparison, and personality traits, notably perfectionism, contribute to recursive, self-reinforcing cycles of negative feedback loop. Regarding interventions, while Cognitive Behavioral Therapy (CBT) is among the most extensively studied interventions and systemic prevention programs demonstrate notable advantages in accessibility and scalability. Conclusion: Appearance anxiety is a multidimensional psychological construct shaped by the interplay between sociocultural pressures and individual dispositions. Future research should transition from an exclusive emphasis on symptom relief to multidimensional ecological interventions, with particular attention to adaptive mechanisms in cross-cultural contexts and the long-term effectiveness of digital therapeutics.