2026-07-21
Nasolabial Folds vs. Smile Lines from Your 30s: Differentiating Confusing Wrinkles
Learn the difference between nasolabial folds and smile lines, common concerns from your 30s, and discover appropriate treatment methods for each.


Hello,
This is SNU Plastic Surgery in Cheongdam.
Today, we will explore the difference between
nasolabial folds and smile lines,
concerns many people face from their 30s,
and introduce the correct improvement methods
for each!
✨ Nasolabial Folds VS Smile Lines, what's the difference?

Many people visit us saying, ‘I have nasolabial folds!’
However, upon closer diagnosis,
it is often not true nasolabial folds
but rather smile lines.

📍 True Nasolabial Folds (Aging-related)
Causes
Decreased skin elasticity, sagging facial fat layer,
absorption of the upper jawbone, etc.
Characteristics
Wrinkles that appear due to actual
sagging of skin and tissue
Onset
Mainly become prominent
from the mid-40s onwards

📍 Smile Lines (Expression-related)
Causes
Depressions formed by the movement of mouth muscles
Characteristics
An emphasized boundary line
between the perioral tissue and cheek tissue
Onset
Can become prominent
even from the 20s to 30s
✨ How do the improvement methods differ for each?

📍 Improvement Methods for Aging-related Nasolabial Folds
Various methods such as mid-face lift surgery, Ultherapy,
filler injections, and thread lifts can be chosen
depending on individual conditions,
and a certain degree of improvement can be expected.
📍 Improvement Methods for Smile Lines
Smile lines are often difficult to sufficiently improve
with the surgeries and procedures mentioned above.
✨ Advice for Younger Individuals
When younger individuals in their 30s
visit us concerned about nasolabial folds,
we advise them as follows:
The changes you are seeing now are closer to smile lines than true nasolabial folds. Therefore, it is advisable to consider 1-2 less invasive methods lightly rather than aggressive surgery or procedures.
✨ Why should we approach it ‘lightly’?

✅ If filler injections are too heavy,
they can have the counterproductive effect
of reducing natural facial expressions.
✅ If too many procedures are received,
the economic loss can be significant
compared to the effect.
✅ Invasive methods like surgery
can leave permanent scars on a young face,
so they must be considered carefully.
Your precious face,
be careful not to harm its natural charm
with excessive procedures that are not appropriate for your age!
It is most important to accurately differentiate whether your current wrinkles are truly aging-related
nasolabial folds or smile lines,
and then choose the appropriate method.
Always consult sufficiently with a specialist
to choose the method that is right for you!😊
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