A viral beauty hack promoted by IVE member Jang Wonyoung—swallowing a shot of extra virgin olive oil mixed with fresh lemon juice on an empty stomach—has sparked a wave of adverse reactions across social media. While early adopters boasted improved skin, a growing number of users now report severe breakouts, painful mouth ulcers, and facial inflammation. Ufood spoke with Kennie Siu, chief nutritionist at Natural Plus, to uncover why this so-called “Olle Shot” is backfiring and who should steer clear.
The Viral Trend That Backfired
Jang Wonyoung’s daily ritual, dubbed Olle Shot, took the internet by storm earlier this year. Fans rushed to replicate the method, believing the antioxidant-rich combination of olive oil polyphenols and lemon vitamin C would fight free radicals, boost collagen, and delay skin aging. Initial testimonials were glowing—until the complaints began.
On platforms like Xiaohongshu, users posted alarming images of clustered acne on cheeks and foreheads, along with accounts of painful canker sores. One commenter wrote: “I followed it for a week and my entire face erupted. It hurts to touch.” The hashtag quickly shifted from miracle cure to cautionary tale.
What Went Wrong? Expert Explains
According to Kennie Siu, the problem lies not in the ingredients but in the extreme method. “Swallowing pure oil and strong acid on an empty stomach places enormous stress on the digestive system,” she explains. For individuals with sensitive guts, this triggers a spike in cortisol—the stress hormone—which can directly provoke acute acne flare-ups.
The lemon juice is equally problematic. Its high acidity strips the oral mucosa of its natural protective barrier. Even microscopic abrasions in the mouth can rapidly escalate into painful ulcers when exposed to undiluted citrus concentrate.
Siu emphasises that no single food can guarantee skin health. “The benefits of olive oil and lemon are real, but this method introduces risks that outweigh them,” she says.
Three Groups Should Avoid This Method Immediately
Siu identifies three categories of people who must not attempt the Olle Shot:
- Gastroesophageal reflux disease (GERD) sufferers – The dual assault of acidic lemon and high-fat olive oil relaxes the oesophageal sphincter, worsening heartburn and acid reflux.
- Individuals with gallbladder disease or bile insufficiency – A sudden influx of pure fat can trigger painful gallbladder contractions, potentially leading to biliary colic or stone attacks.
- Those on long-term medication – High fat delays gastric emptying, altering drug absorption. Moreover, concentrated lemon juice may interfere with liver metabolism of statins and antihistamines.
Even using premium extra virgin olive oil does not eliminate these dangers. “The root hazard is the ritual itself, not the oil’s grade,” Siu notes.
A Safer Way to Reap the Benefits
Rather than chasing a viral fad, Siu recommends a gentle, scientifically sound alternative that still delivers antioxidant protection:
- Start your morning with a large glass of warm water infused with two slices of fresh lemon.
- At breakfast, drizzle one tablespoon of extra virgin olive oil over scrambled eggs or wholemeal toast.
This method allows the body to process both ingredients alongside fibre and protein, reducing digestive stress and avoiding direct acid contact with oral tissues.
If you notice unusual skin reactions or mouth discomfort after any new dietary change, Siu’s advice is blunt: “Stop immediately and consult a healthcare professional. Your body is telling you something.”
The Bottom Line
Social media-driven health trends can spread faster than scientific facts. The Olle Shot phenomenon is a stark reminder that what works for a K-pop idol—who likely has access to a team of nutritionists—may be dangerous for the average follower. Before chasing the next quick fix, consider whether the method aligns with your own health profile. Sustainable skincare starts with a balanced diet, not a single shot.
For more on safe dietary practices, read our guides on kidney-friendly beverages and the hidden risks of lemon water.