A study presented at the 2026 congress of the European Academy of Dermatology and Venereology (EADV) in Vienna analyzed 38 popular TikTok videos about Korean skincare and so-called "glass skin." The result is uncomfortable: nearly 95% contained at least one potentially misleading claim. Not one was made by a dermatologist. Not one cited an outside source. Only one mentioned that a product could irritate the skin, and only two talked about sun protection. The findings were reported by Infobae and Dermatology Times.
The easy reading is to blame the influencers. The useful reading is different: the system didn't fail. It did exactly what it was built to do. It rewarded certainty, speed and a visual promise. Nobody asked it to reward the truth.
What the numbers say
The data from the first study describe a market for advice where no one is accountable:
- 82% of the videos were made by influencers with no medical training; 11% were made by beauty brands.
- 84% ignored the fact that there are different skin types.
- 45% recommended combining too many active ingredients without explaining the risk.
- 32% promised immediate results.
The second study, with 94 patients, showed the cost. Almost half had adopted entire routines straight from social media, and 63% were using three or more active ingredients at once. The adverse reactions recorded included irritant contact dermatitis, acne, rosacea-like flare-ups, post-inflammatory dark spots and even superficial chemical burns.
None of this requires malice. All it takes is a misaligned incentive and an audience that mistakes popularity for evidence.
The algorithm doesn't measure truth. It measures retention
A video that says "it depends on your skin type, see a specialist and give it eight weeks" is accurate and boring. A video that says "ten steps, glass skin, results from the very first night" is false and addictive. The platform has no way to tell them apart. It has a counter for seconds watched. And the second video wins every time.
It's what happens when consensus becomes the yardstick and the narrative devours the truth. Digital beauty is the same phenomenon with better lighting. Millions of views work like a vote, and the vote gets passed off as proof. But a thousand people who are wrong don't add up to one person who's right.
The comfortable way out, "I choose what I watch," doesn't work either. Curating your own feed just swaps one jailer for another. If your standard for choosing is "whatever gives me the promise I want to hear," you end up in the same cell, now with your signature on it.
Profitable stupidity
Stupidity stopped being an embarrassment and became a market strategy. It's not that people are dumb. It's that an entire industry makes money when people stop thinking and obey. The video isn't selling you a serum. It's selling you permission not to look into it. It saves you the effort of asking "does this apply to me?" and you pay for those savings later, with your skin.
The mechanism has three parts:
- Borrowed authority. A pretty face and good lighting stand in for credentials. Viewers assume that someone with good results knows why they got them.
- Manufactured urgency. "From the very first night" eliminates the waiting, which is exactly when doubts would show up.
- Imitation without context. People copy the whole routine, not the reasoning behind it. It's the same thing that happens when the algorithm tells you when to want something: the desire arrives prepackaged, and you just carry it out.
Perfection as bait
"Glass skin" isn't a medical goal. It's an aesthetic standard of perfection: no pores, no texture, no flaws. That's the trap. Anyone chasing perfection will accept any method that promises it, because the standard is impossible and so it's never reached. There's always one more step, one more active, one more layer. It's fear with a nice finish. Here the fear is of not looking like the screen, and the industry turns it into a shopping cart.
A practical test
The question isn't "Is TikTok lying?" The question is who makes the decisions you call your own. Before you adopt any viral advice, about skin, money, relationships or business, run it through a minimum filter:
- Who's saying it, and what do they lose if they're wrong? If they lose nothing, that's what their advice is worth.
- Does it mention risks or only benefits? Advice with no stated cost is advertising.
- Does it distinguish between cases, or does it apply to everyone? What applies to everyone almost never applies to you.
- Does it promise speed? Speed is a lie's favorite accessory.
None of this is cynicism. It's mental hygiene. The same kind you should apply to your skin before slathering on three acids because someone with good lighting said they worked.
The PRAXMA mindset
The idea: The algorithm doesn't reward what's true but what holds attention. Mistaking popularity for evidence means handing your judgment over to a view counter.
— PRAXMA, Logic over emotion
The fact: According to a study presented at the EADV 2026 congress, nearly 95% of 38 viral TikTok videos about Korean skincare contained potentially misleading claims, and none was made by a dermatologist (Infobae, Dermatology Times).
PRAXMA's line: "A million views isn't a diagnosis. It's a million people who didn't ask either."
If this topic interests you, there's a longer exploration of how obedience became a business model Spanish only. We also talk it through on the podcast.
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