
Rejuran for acne scars is an injectable skin treatment that may support skin quality in some types of sunken acne scarring. The treatment uses polynucleotides to support repair processes in the skin and encourage processes involved in collagen formation.
The aim is not to artificially fill scars, but to gradually improve skin texture and quality. Rejuran may be considered as part of a personalised treatment plan, especially for atrophic scars such as boxcar and rolling scars.

Rejuran is an injectable treatment based on polynucleotides. These substances are used to support repair processes in the skin. For acne scars, Rejuran is mainly discussed in relation to skin texture, firmness and a smoother-looking skin surface.
Unlike traditional fillers, Rejuran is not mainly used to add volume. It focuses on gradual skin quality improvement from within.
Rejuran may be suitable for some types of sunken acne scars. These are scars where the skin sits lower due to loss of support tissue after inflammation.
The treatment is most often considered for:
Boxcar scars
Wider scars that often have clearer edges and a slightly angular shape.
Rolling scars
Shallow, wave-like scars that can make the skin look uneven.
For very narrow and deep ice pick scars, Rejuran is usually not the first choice as a standalone treatment. A practitioner may discuss combining it with other options, such as subcision, microneedling, peels or laser, depending on your skin and scar type.
Polynucleotides support repair processes in the skin. After injection into or around the scarred area, they may help stimulate fibroblast activity. These cells play a role in collagen and elastin production.
For sunken acne scars, the aim is to improve the skin structure gradually. Results are not immediate, because collagen formation takes time.
Rejuran may be especially relevant when the skin is thin, fragile or uneven, and when a treatment with limited downtime is preferred.
The right treatment depends on the scar type, skin quality, scar depth and your expectations.
Treatment | Goal | Downtime / often suitable for |
|---|---|---|
Rejuran | Skin repair support and improvement of skin texture | Usually short, often a few days with temporary bumps or redness. Often suitable for sunken scars, thin skin and uneven skin texture. |
Fillers | Temporary support or filling of selected sunken areas | Usually short. Often suitable for local volume loss or selected deeper scars. |
Laser or microneedling | Collagen stimulation through controlled skin injury | Depends on the intensity of the treatment. Often suitable for surface texture, fine scars and skin renewal. |
Combination treatment is often recommended for acne scars. Rejuran may, for example, be combined with microneedling or subcision when scars are tethered to deeper tissue.
A Rejuran treatment starts with a skin assessment. The doctor, nurse prescriber or aesthetic practitioner will look at your scar type, skin thickness, active acne, pigmentation risk and previous treatments.
The treatment usually involves:
The skin is cleaned and disinfected.
A numbing cream may be applied.
Rejuran is placed with small injections into or around the scarred areas.
The skin is calmed afterwards and you receive aftercare advice.
During the injections, Rejuran may briefly feel warm, stinging or sensitive. This usually settles quickly.
After treatment, redness, swelling, small bruises or tiny bumps may be visible. These bumps are caused by the injected fluid and usually settle on their own.
Important aftercare:
Avoid make-up on the treated area for the first 24 hours where possible.
Avoid saunas, intense exercise and heat for 24 to 48 hours.
Touch the skin as little as possible to reduce irritation.
Use daily sun protection, especially if your skin is prone to pigmentation.
Do not have treatment on areas with active acne, inflammation or infection.
Rejuran works gradually. With acne scars, the result depends on the depth of the scars, skin quality, age, lifestyle and the number of sessions.
The skin may first look calmer and smoother in texture. After that, sunken scars may become less noticeable step by step. The final result can usually only be assessed after several weeks to months.
A treatment plan often involves multiple sessions with a few weeks between appointments. Deep or older scars may need a combination approach.




The cost of Rejuran for acne scars varies between clinics and treatment plans. Exact pricing depends on the scarred area, the number of sessions, the amount of product used and whether Rejuran is combined with other treatments.
Factors that can affect the cost include:
The size of the treatment area
The number of scars
The depth of the scars
The number of sessions needed
The experience of the doctor or practitioner
Any combination treatments
Ask during your consultation for a personalised treatment plan and a clear cost estimate before treatment starts.
Would you like to know whether Rejuran is suitable for your acne scars? Start with a consultation at an experienced clinic. During the consultation, your practitioner can assess the type of scars you have and whether Rejuran alone is likely to be suitable, or whether a combination treatment may be more appropriate.
Compare Rejuran clinics in the UK and discuss the treatment plan, aftercare, possible risks and expected level of improvement before making a decision.

No. The skin should be calm first. Injecting areas with active inflammation, spots or cysts can increase the risk of irritation or infection. Wait until the acne is stable before considering treatment.
Rejuran does not normally cause acne. Temporary small bumps can appear after treatment because of the injections. These are not spots and usually settle on their own.
Rejuran may help with some sunken scars, but deep scars often need a combination treatment. A practitioner can assess which plan is most suitable for your skin.
Rejuran mainly focuses on skin quality and texture. For red or brown marks without sunken scarring, other treatments such as peels or laser may sometimes be more suitable.
No. A filler is mainly used to add volume. Rejuran is a polynucleotide treatment used to support skin repair and skin quality.
Several sessions are often needed. The exact number depends on the depth of the scars, your skin quality and the result you want to achieve.
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