Among dermatology procedures, one that has been steadily popular lately is Rejuran.
It is also well known by the names “salmon injection” and “water glow injection.”
Rather than simply making the skin surface look nicer, it is drawing attention as a treatment-oriented procedure that helps restore the skin’s natural strength!
Today, let’s take a detailed look at how Rejuran works, who it is effective for, and what to be careful about during the procedure 😆
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Source: Internet
✅ What makes Rejuran different?
The key ingredient in Rejuran is PN (polynucleotide).
PN is a biologically derived substance extracted from salmon DNA,
and because it has a structure similar to human tissue,
it is characterized by a low inflammatory response and high safety.
When this ingredient is injected into the dermis layer of the skin,
it helps regenerate damaged skin cells and stimulates fibroblasts,
promoting the production of collagen and elastin.
As a result, skin density and elasticity increase,
and thin skin becomes thicker and recovers to a healthier state.
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Source: Internet
💡 Effects of Rejuran
• Improves skin texture and elasticity
• Reduces fine lines
• Improves skin tone
• Calms redness and sensitive skin
• Helps recover acne scars and damaged skin
Above all, it is a procedure that strengthens the skin’s internal structure,
which sets it apart from other injections or laser procedures.

Source: Internet
🧴 Types of Rejuran and how to choose
Rejuran Healer: Basic type, used for overall facial skin regeneration
Rejuran I: For the eye area, suitable for thin and sensitive areas
Rejuran HB: Added hyaluronic acid, enhancing moisturizing + regenerative effects
Rejuran S: Suitable for improving scars and pores
The type is selected according to the skin condition and the purpose of the procedure,
and it is best to receive a suitable recommendation through a personalized consultation at the clinic.
• Procedure time: About 15 minutes (30–50 minutes including topical anesthetic)
• Pain: Fine stinging sensation remains even after anesthesia
• Recovery period: Swelling/redness immediately after the procedure, naturally settles within 1–3 days
• Aftercare: Avoid washing your face and wearing makeup for about a day; sunscreen is essential

Source: Internet
🙋 Recommended for people like this
• Those with thin, sensitive skin who find lasers burdensome
• Those who want skin that looks natural and healthy rather than artificially enhanced
• People in their 30s to 50s who are becoming concerned about fine lines around the eyes or nasolabial folds
• Those whose skin lacks elasticity and feels generally dull and sagging
• Those who want non-surgical care with a quick return to daily life after the procedure
📌 Precautions for Rejuran treatment
• Avoid washing your face and wearing makeup within 24 hours after the procedure
• Refrain from irritating massage, sauna use, and drinking alcohol for 2–3 days on the treated area
• Protect the skin by using sunscreen carefully
• Avoid excessive exfoliation or peeling
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Rejuran is not a procedure that delivers flashy short-term effects,
but one where you can feel the skin gradually becoming healthier over time.
In particular, with consistent care, the skin’s thickness and density can change,
and makeup may apply better while the skin can also look better even without makeup.
If you want to regain your skin’s natural regenerative power, Rejuran can be a good choice~

*This post is not intended to announce hospital news, but is a post intended to provide medical knowledge and related information.
*All procedures and surgeries may be applied differently depending on the individual, and effects, side effects, and complications may also vary.