Rejuran for Skin Texture and Elasticity: Treatment Guide

Two of the most common reasons people choose Rejuran in Korea are rough texture and a loss of elasticity. Skin that once felt smooth and springy can become uneven, thinner and less resilient with age, sun exposure, acne or repeated aggressive treatments. Rejuran, a polynucleotide skin booster, is often used to address these changes by supporting the skin's own repair processes.

This treatment guide focuses specifically on texture and elasticity: why these qualities decline, how Rejuran is used to target them, what a treatment plan looks like and what results are realistic.

Why texture and elasticity decline

Texture and elasticity depend largely on the health of the dermis, the layer beneath the surface that contains collagen, elastin and a water-rich supporting matrix. Several factors gradually weaken this structure:

• Intrinsic ageing: collagen production slows from early adulthood, and existing fibres become fragmented.
• Sun damage: ultraviolet light breaks down collagen and elastin and is a major cause of rough, leathery texture.
• Inflammation: acne, sensitivity and irritation can leave the skin thinner or uneven.
• Barrier damage: over-exfoliation and harsh treatments can make skin look dull and rough and feel tight.
• Lifestyle: smoking, poor sleep and dehydration contribute to a tired, less elastic appearance.

How Rejuran targets texture and elasticity

Rejuran contains polynucleotides derived from purified salmon DNA. Once injected into the dermis, polynucleotides are thought to support fibroblasts, the cells that make collagen and elastin, and to help create a healthier environment for tissue repair. They also bind water, contributing to hydration.

For texture, the aim is a smoother, more refined surface as the skin's quality improves from within. For elasticity, the goal is a firmer, more resilient feel, where the skin bounces back more readily when gently pinched. These changes are gradual and subtle, reflecting improvements in skin health rather than a structural lift.

Choosing the right formulation and method

Doctors may choose between several Rejuran products depending on the concern. Rejuran Healer is usually used across the face for general quality, while Rejuran HB adds hyaluronic acid for extra hydration and lidocaine for comfort. Rejuran S, a more concentrated version, may be used for depressed acne scars that contribute to uneven texture.

The injection method also matters. Manual injections with a fine needle allow precise placement in many small points, which some doctors prefer for even distribution. Injection devices can speed up treatment and offer consistent depth. Some clinics also apply Rejuran through microneedling or after energy treatments, although the amount reaching the dermis by this route is generally lower than by direct injection.

A typical treatment plan

• Consultation: the doctor assesses skin thickness, texture, scarring, pigmentation and lifestyle factors.
• Initial course: commonly three to four sessions spaced two to four weeks apart.
• Reassessment: after the course, results are reviewed, often with photographs.
• Maintenance: many patients continue with a session every three to six months, depending on goals and budget.

Each session usually involves 30 to 60 minutes of numbing followed by 15 to 30 minutes of injections. Small bumps at the injection sites normally settle within one to two days, with occasional minor bruises.

Combining Rejuran with other treatments

Because Rejuran mainly improves skin quality, it is often paired with treatments that address other layers or concerns:

• RF microneedling (such as Potenza): for pores, scars and deeper texture irregularities.
• Fractional lasers: for more significant resurfacing, with Rejuran sometimes used to support recovery.
• Lifting devices (such as Ultherapy or Thermage FLX): for laxity, while Rejuran focuses on the surface quality.
• Collagen stimulators (such as Juvelook): for density and volume support over time.

The order and spacing of combined treatments should be planned by your doctor to avoid overloading the skin.

Realistic results

Many patients describe smoother, more hydrated and more resilient skin after completing a course of Rejuran. Fine crepiness may soften, and the complexion often looks healthier. However, Rejuran will not remove deep wrinkles, lift sagging jowls or fully erase significant scars. Results are gradual, typically becoming clearer several weeks after the course is completed, and they depend on age, skin condition and how well the skin is protected from the sun.

Supporting habits, such as daily sunscreen, a gentle routine with appropriate moisturisers, adequate sleep and avoiding smoking, help preserve the benefits.

How to judge whether it is working

Because changes in texture and elasticity are gradual, they can be hard to notice day to day. A few simple methods help you assess progress more objectively. Take photographs in the same lighting, at the same angle and without makeup before the first session and again a few weeks after the course. Pay attention to how makeup sits on the skin, since smoother texture often makes foundation look more even. Some clinics also use skin analysis devices that measure features such as texture, pores and hydration, which can be useful for comparison if the same device is used each time.

If you see little change after a full course, discuss it openly with your doctor. Some people respond less to polynucleotides, and a different approach, such as energy-based collagen stimulation or a PDLLA booster, may suit their skin better.

Safety and who should avoid it

Common side effects are temporary bumps, redness, swelling and bruising. Less commonly, prolonged lumps, infection or allergic reactions may occur. Rejuran is usually avoided in people with fish or salmon allergy, during pregnancy and breastfeeding, and with active skin infection in the treatment area. Those with autoimmune conditions, bleeding disorders or on anticoagulant medication should discuss suitability carefully with their doctor.

If you are visiting Korea, plan sessions with at least a day before important events, and ask the clinic to record the product and amount used so treatment can be continued consistently later.

Conclusion

Rejuran is a popular choice for improving skin texture and elasticity because it supports the skin's repair processes with relatively little downtime. Results are subtle and cumulative, so a planned course followed by maintenance usually works best, often alongside treatments that address pores, scars or laxity. A dermatologist can help design a plan that fits your skin and your schedule.

This article is for general information only and is not a substitute for a medical consultation. Suitability, results and recovery vary from person to person.