If you've scrolled through TikTok lately, you've likely seen the endless parade of "glass skin" tutorials, 10-step Korean beauty routines, and influencers slathering on layers of serums and acids. It all looks so effortless, so promising. But behind the glossy filters, a growing body of evidence suggests that many of these viral skincare trends are doing more harm than good.
At this year's European Academy of Dermatology and Venereology Congress, researchers presented findings that should give any skincare enthusiast pause: nearly 95% of viral skincare videos on platforms like TikTok contain misleading claims. The studies analyzed popular content related to "glass skin" and K-beauty trends, and the results were stark. Most of these videos come from creators without medical training, who rarely mention potential risks or the fact that skin types vary wildly from person to person.
The hidden dangers of mixing active ingredients
The real trouble starts when people try to replicate these routines at home, piling on products without understanding how the ingredients interact. Dermatologists are particularly concerned about the overuse of exfoliating acids like alpha-hydroxy acids (AHAs), retinoids, and potent serums. When combined without professional guidance, these can strip the skin's natural barrier, leading to a host of problems.
"We're seeing a surge in irritant contact dermatitis, severe acne flare-ups, hyperpigmentation, and even chemical burns," says Dr. Mariana López, a dermatologist based in Mexico City. "The skin is not a canvas for endless experimentation. It has its own microbiome and protective layer that can be easily disrupted."
The irony is that many of these trends are rooted in legitimate skincare traditions, like the meticulous routines popularized in South Korea. But what works for one person's skin may be a disaster for another's. As Dr. López points out, "There is no universal formula. What works for a 20-year-old in Seoul might not work for a 35-year-old in Bogotá, especially when you factor in climate, humidity, and genetics."
Why your skin barrier matters
Your skin barrier is the outermost layer of your epidermis, and it's your first line of defense against environmental stressors, bacteria, and moisture loss. When it's compromised, you're not just dealing with cosmetic issues—you're opening the door to infections and chronic inflammation.
Dermatologists emphasize that the goal should be to maintain a healthy barrier, not to chase an impossible, poreless look. "Real skin has texture, pores, and occasional blemishes," says Dr. López. "That's normal. The problem is that social media has created an unrealistic standard that pushes people to over-exfoliate and over-treat their skin."
So, what's the alternative? It's not about abandoning skincare altogether. It's about being smarter and more intentional.
Practical advice from dermatologists
First, prioritize the basics: gentle cleansing, adequate hydration, and daily sunscreen. Sunscreen is non-negotiable, regardless of your skin type or the weather. Second, resist the urge to add new products just because they're trending. Before introducing anything new, ask yourself: Does my skin actually need this? Am I using it correctly?
Third, and most importantly, consult a professional. A dermatologist can assess your skin and recommend a routine tailored to your specific needs. This is especially crucial if you're dealing with persistent issues like acne, hyperpigmentation, or sensitivity.
"The best skincare routine is the one that's simple, consistent, and based on your skin's actual needs," says Dr. López. "It's not about how many products you use, but how well they work for you."
In a world where viral trends come and go, it's easy to get caught up in the hype. But your skin is not a trend. It's a living organ that deserves care and respect. So the next time you see a TikTok video promising miraculous results, take it with a grain of salt—and maybe a dose of skepticism.
For more on how social media shapes our habits, check out our piece on everyday businesses quietly creating wealth. And if you're curious about the pressures of fame, our look at KATSEYE's documentary offers a revealing glimpse.
