Fine lines can appear for many reasons—expression movement, dehydration, thinning skin, or early aging. In Korea, two of the most popular treatments for smoothing fine lines are:

1. Botox
2. Skin Boosters (Rejuran, HA boosters, exosomes, PN blends, Skinvive)

Both improve fine lines, but they work in completely different ways.
Here’s a simple, clear comparison to help you understand which option fits your skin concerns.

What Botox Does for Fine Lines

Botox works by relaxing the tiny muscles that create expression-based wrinkles.

Best For Expression Lines

• Crow’s feet (smiling lines)
• Forehead lines
• Frown lines
• Bunny lines
• Chin dimpling

How Botox Works

• Reduces repetitive muscle movement
• Prevents fine lines from becoming deep wrinkles
• Softens expression marks
• Smooths the surface immediately

Advantages

• Fast results (3–7 days)
• Very effective for dynamic wrinkles
• Prevents deeper creasing
• Subtle “refreshed” look when done lightly

Considerations

• Doesn’t hydrate the skin
• Doesn’t treat thin skin or texture issues
• Results last 3–4 months

Botox treats the cause of movement lines, not overall skin quality.

What Skin Boosters Do for Fine Lines

Skin boosters improve skin quality, not muscle movement.
They hydrate, repair, and thicken the skin from within.

Best For Texture-Based Fine Lines

• Under-eye fine lines
• Crepey cheeks
• Smile line crinkles
• Lines from dryness
• Early aging signs

Types of Skin Boosters in Korea

• Rejuran / Rejuran I
• HA boosters (Skinvive-type)
• Exosome boosters
• PN + HA blends
• Water-glow injectables

How Skin Boosters Work

• Boost collagen and elastin
• Improve dermal thickness
• Increase hydration
• Smooth the surface gradually

Advantages

• Natural texture improvement
• No stiffness or frozen feeling
• Brightens and plumps fine creases
• Results last 6–12 months depending on booster

Considerations

• Multiple sessions may be needed
• Doesn’t treat muscle movement wrinkles
• Gradual results, not immediate tightening

Skin boosters fix texture and thinning skin, not movement-based creases.

Botox vs Skin Boosters: Which Is Better?

1. For Dynamic Wrinkles → Botox

If the line appears when you move your face, Botox is the correct treatment.

Examples:

• Crow’s feet when smiling
• Forehead lines when raising brows
• Frown lines between eyebrows

2. For Static, Texture-Based Fine Lines → Skin Boosters

If the line remains even at rest or comes from dryness/thinness, a skin booster works better.

Examples:

• Under-eye lines
• Cheek crinkles
• Early smile lines
• Fine creasing from dehydrated skin

3. For Under-Eye Fine Lines → Skin Boosters Win

Botox is unsafe in most under-eye areas.
Rejuran I, HA boosters, or PN blends are the Korean gold standard.

4. For People Who Want Natural Movement → Skin Boosters

Boosters improve the skin without affecting expression.

Which Looks More Natural?

Botox → Natural when used lightly

• Best for preventing wrinkles
• Should not be overdone

Skin Boosters → Most natural overall

• Only improves skin quality
• No muscle change

Combination Treatment: The Korean Approach

Korean dermatology often uses both for optimal anti-aging:

Botox for movement → Prevents new wrinkles

Skin Boosters for texture → Heals fine lines and dryness

This creates a balanced, youthful look without stiffness.

Final Verdict

Choose Botox If:

• Your lines appear with movement
• You want quick smoothing
• You want to prevent deeper wrinkles

Choose Skin Boosters If:

• Your lines stay even when your face is relaxed
• Your skin is dry, thin, or crepey
• You want natural, subtle rejuvenation

Choose Both If:

• You want the most complete fine-line treatment
• You want prevention + correction + hydration
• You follow a Korean anti-aging approach