Lim Yoona has long been associated with the polished, fresh-faced aesthetic that helped define a generation of K-pop and Korean entertainment. Now, renewed attention on her beauty routine is putting the spotlight on a concept often called “dong-an” (동안)—a Korean expression describing a youthful-looking appearance.
But there is no single secret to looking young, and claims of “eternal youth” should be taken as beauty shorthand rather than a scientific promise. Yoona’s appeal comes from a combination of skincare, makeup technique, consistency and the distinctive features that have become part of her signature image.
Here are six beauty details frequently associated with Yoona’s look.
1. The “aegyo-sal” effect
One of Yoona’s most recognizable features is her subtle aegyo-sal, the small area beneath the lower lash line that can become more visible when smiling.
Recent coverage highlights how makeup artists can emphasize this area through very light shading and strategically placed illumination. The result is an optical effect that makes the eyes appear brighter and more expressive.
Importantly, aegyo-sal is a natural facial feature—not a requirement for looking youthful—and makeup can simply accentuate what is already there.
2. Soft, straight brows instead of dramatic arches
Another recurring element of Yoona’s beauty look is her relatively straight, softly defined eyebrows.
Rather than relying on a sharply sculpted arch, the style keeps the brows understated and close to their natural appearance. The approach fits the broader K-beauty preference for makeup that enhances facial features without making the makeup itself the main attraction.
3. Blush placed high on the cheeks
Yoona’s makeup looks also frequently use blush to bring warmth toward the upper cheek area.
The technique creates a fresh, luminous finish rather than heavily sculpting the face. Recent beauty coverage describes the placement as concentrated around the apples of the cheeks and blended softly toward the centre of the face.
The bigger K-beauty lesson is less about copying a particular face shape and more about using makeup to create a naturally bright, balanced finish.
4. Thorough cleansing remains a major theme
Skincare coverage of Yoona repeatedly points to thorough cleansing and hydration as foundations of her routine.
Earlier interviews and beauty features have also associated her routine with double cleansing and maintaining well-hydrated skin. Lifestyle Asia reported that Yoona emphasized cleansing, hydration and sunscreen as important parts of her skincare approach.
That is consistent with a broader K-beauty philosophy: removing makeup and impurities properly while avoiding unnecessary harshness can help maintain the skin barrier.
5. Hydration over complicated routines
Yoona has previously spoken about prioritizing hydration and soothing care, particularly during periods when her skin needed extra attention.
Rather than treating skincare as a race to use the largest number of products, the more useful takeaway is consistency and choosing products that suit the individual’s skin.
Recent dermatology coverage similarly emphasizes that a basic routine built around cleansing, moisturizing and sun protection can be more useful than endlessly layering products.
6. Sun protection is part of the glow strategy
Sunscreen is another recurring feature of coverage surrounding Yoona’s skincare habits.
Lifestyle Asia has reported her use of SPF before makeup, noting its role in protecting skin from UV exposure and helping reduce sun-related damage and pigmentation.
That may be one of the most practical lessons to take from the wider K-beauty approach: protecting skin from excessive UV exposure is about skin health, not simply trying to appear younger.
The real “dong-an” lesson: consistency, not a magic formula
Yoona’s beauty image may make “eternal youth” sound like a secret waiting to be unlocked, but the evidence points to something much less mysterious.
Her recognizable look combines careful skincare, hydration, sun protection and understated makeup techniques, while genetics, professional styling, lighting, photography and years of experience in front of cameras also influence how celebrities appear.
Yoona has also remained closely connected to the beauty industry. Sulwhasoo appointed her as a global brand ambassador in 2025, further cementing her position as one of Korea’s prominent beauty figures.
So, rather than searching for a miraculous anti-aging trick, the more realistic K-beauty takeaway is simple: protect the skin, keep it comfortable and hydrated, and use makeup to enhance—not completely transform—your natural features.
That may be much less sensational than “eternal youth,” but it is a far more accurate explanation for why Yoona’s beauty formula continues to attract attention.
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