Skin boosters / DAYONE
Before adding fullness, understand the skin beneath.
When a damaged skin barrier causes redness and stinging.
View treatment summary
(01)AT A GLANCE
The treatment's role
Rejuran is a skin booster containing salmon-derived polynucleotides (PN). When the skin barrier is damaged or your skin is sensitive, it helps restore the damaged barrier.
Suitability, methods, and expected changes vary by person.(02)YOUR CONCERN
From the small changes you notice,
a consultation begins.
- 01
When a damaged skin barrier causes redness and stinging
- 02
When facial redness is pronounced
- 03
Naturally sensitive skin
- 04
When rough, dry skin texture concerns you
READ YOUR SKIN CONDITION
Whether treatment is needed is decided after consultation.
(03)UNDERSTANDING
Skin condition is more than hydration alone. When dryness, texture, and sensitivity occur together, we first assess the skin and its response to previous care.

Damaged skin barrier
Helps red, stinging, sensitive skin recover.
We listen to what bothers you day to day and how your skin has been reacting.

Skin texture
We go through what bothers you most about rough or uneven texture.
We look past ingredient names to the purpose and area of treatment.

Hydration
We talk about tightness, dryness and recent skin reactions.
We listen to what bothers you day to day and how your skin has been reacting.
(04)THE DAYONE APPROACH
Areas, coverage, and combinations with other treatments
are reviewed with your doctor for your current condition.
- 01OBSERVE
Degree of dryness and sensitivity
We listen to what bothers you day to day and how your skin has been reacting.
- 02DESIGN
Distribution of texture changes and fine lines
We look past ingredient names to the purpose and area of treatment.
- 03REVIEW
Area-specific application and recovery schedule
We follow recovery and progress, not just how skin looks on one day.
(05)BEFORE & AFTER YOUR VISIT
Recovery planning
Rejuran may cause raised bumps and bruising immediately after treatment. It usually takes 3–7 days to return to normal.
Tell us before your visit
Tell us about past treatments, medications, and health status. Also mention important plans and available visit dates.
Aftercare and how to contact usFrom consultation to follow-up
01 Consultation and assessment
We listen to your goals and previous experiences, then assess your current condition.
02 Planning and treatment
We explain the scope, method and expected reactions, then proceed according to the plan.
03 Follow-up
We review recovery and changes to consider whether further care is needed.
(06)BEFORE YOU DECIDE
Specific explanations about your condition and plan
continue in consultation with your doctor.
01Is it the same as a hydrating treatment?+
It also improves hydration, but adding moisture is not its main purpose. Its primary purpose is to restore a damaged skin barrier.
02How much pain or discomfort should I expect?+
This treatment can be quite painful. After topical anesthesia, additional local anesthetic injections can be given if needed.
03How should I plan recovery and daily activities?+
Raised bumps, bruising and swelling generally occur after treatment, so a full return to everyday life takes 3–7 days.
04How long do results last?+
Results last for three months after one treatment and around one year after three treatments.
05How are session count and intervals decided?+
This varies by person, but three treatments per year are usually recommended.
06Can I combine this with other treatments?+
It can be combined with all other treatments.