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Study Findings on Korean Skincare TikTok Videos

A groundbreaking study recently revealed startling information about the viral Korean skincare trends on TikTok, especially the popular 'glass skin' phenomenon. Conducted by a team of researchers, the investigation highlights that nearly 95% of the analyzed TikTok videos contain misleading claims that can misinform viewers looking for effective skincare solutions.

What is 'Glass Skin'?

The term 'glass skin' refers to a skincare goal that aims to achieve a perfectly clear, smooth, and highly hydrated complexion, resembling the sheen of glass. This trend has taken social media by storm, particularly on platforms like TikTok, where users share their routines and products, often reaching massive audiences. However, the study, presented at the European Academy of Dermatology and Venereology (EADV) Congress 2026, now raises concerns regarding the safety and accuracy of the information disseminated within these viral videos.

Study Overview

In May 2026, researchers embarked on a detailed analysis of TikTok content related to Korean skincare routines. They focused on five popular search terms and ultimately assessed 38 videos that met their criteria. Their analysis sought to evaluate the dermatological claims made within them, along with the presence of safety information and the overall quality of the content.

The rigorous study uncovered several alarming statistics: a staggering 95% of the videos contained at least one misleading statement. Furthermore, 84% failed to acknowledge different skin types, 45% promoted excessive combinations of ingredients without proper safety precautions, and 32% promised instantaneous results that could lead to unrealistic expectations.

Lack of Safety Information

One of the primary concerns highlighted by the lead author, Dr. Maria Lúcia Paysano, was the apparent absence of basic safety guidelines in these videos. Only one video mentioned potential irritation risks, whereas just two addressed sun protection. Alarmingly, none of the videos warned about contact dermatitis or advised viewers to consult with dermatologists before starting a new routine or using unfamiliar products.

According to Dr. Paysano, all analyzed videos were classified as either unreliable or less reliable, with none referencing any external sources or acknowledged expertise in dermatology.

Who is Creating This Content?

A significant portion of the content comes from non-physician influencers, making up nearly 82% of the creators, with only a minority being associated with beauty brands (11%) or other beauty content creators (8%). Notably, none of the videos were produced by licensed dermatologists, further highlighting the gap between the content popularity and the quality of the information shared.

Implications for Consumers

The researchers stressed that the underlying principles of Korean skincare—such as gentle cleansing, hydration, and barrier care—are not the issues. However, the transformation of these principles into viral routines, often devoid of appropriate safety information, poses risks for consumers. Many viewers may experience skin irritation, over-exfoliation, or exacerbation of acne symptoms if they blindly follow these viral trends without personalized guidance.

Dr. Paysano cautioned consumers against content that guarantees instant or universal results, a common theme among the popular TikTok videos. Instead, she recommended consulting with professionals knowledgeable in dermatology to tailor a regimen suitable for individual skin types and conditions.

In conclusion, while Korean skincare routines can be beneficial when executed correctly, educating consumers on the validity of the claims being made on platforms like TikTok is crucial. As this study illustrates, the allure of social media can sometimes lead to misinformation that may ultimately harm rather than help the skin health of individuals seeking the 'glass skin' ideal.