Rejuva London Harley Street
Rejuva London Harley Street
Minimize Bruising Swelling After Injections

Minimizing Bruising and Swelling After Polynucleotide Injections: Pro Tips

Medical Disclaimer: This content is for informational purposes only and does not constitute medical advice. Please consult with a qualified medical professional for personalized assessment and treatment recommendations.

Medical Review: This article has been medically reviewed and approved by Dr. Kristy Lau.

May 22, 2026

May 22, 2026

Minimize Bruising After Injections: Essential Polynucleotide Aftercare

To minimize bruising after injections with polynucleotides, proactive aftercare is essential for optimal recovery. This guide outlines critical steps, including immediate cold compress application and head elevation, to reduce swelling and accelerate healing. It details the benefits of specific supplements like Arnica Montana and Bromelain, alongside lifestyle adjustments, to effectively manage common post-treatment side effects. Following these expert recommendations ensures a smoother polynucleotide recovery with minimal social downtime.

Rejuva London, a doctor-led aesthetic clinic, prioritizes patient safety and optimal outcomes through precise injection techniques and comprehensive post-treatment protocols. Our expertise ensures informed guidance for managing injection side effects and achieving superior aesthetic results.

To explore your options, contact us to schedule your consultation. You can also reach us via: Book a Polynucleotide Consultation

To minimize bruising after injections with polynucleotides, a proactive aftercare strategy is essential for recovery. While temporary bruising and swelling are normal, following expert guidance can reduce their intensity and duration. This guide from Rejuva London outlines the steps to take before and after your Plinest treatment to achieve optimal regenerative results with minimal social downtime.

Understanding Bruising & Swelling After Polynucleotide Injections

Bruising and swelling are common side effects of polynucleotide injections. They occur when the needle disrupts small blood vessels (capillaries), causing blood to leak into the surrounding tissue, resulting in a bruise (ecchymosis). Swelling (edema) is the body’s natural inflammatory response to the injection.

Why Do Bruising and Swelling Occur?

The cause is the injection. A needle can puncture microscopic vessels; the likelihood depends on the treatment area’s vascularity (the under-eye area is delicate), your physiology, and any medications or supplements you take. The body’s inflammatory response causes localized swelling.

What to Expect in the First 24-48 Hours

After treatment, small, raised bumps at the injection sites are normal and typically resolve within a few hours. Mild redness and puffiness may also occur. Bruising often starts as small, reddish dots that darken to blue or purple over the next day. Swelling is most noticeable the morning after the procedure, especially around the eyes, and usually subsides within 48 hours.

Immediate Aftercare: Pro Tips to Reduce Discomfort After Injections

Actions in the first 48 hours post-treatment are critical for managing side effects. Cold therapy, elevation, and gentle care constrict blood vessels and reduce inflammation, leading to a faster resolution of bruising and swelling.

The Power of Cold Compresses and Elevation

Applying a cold compress is an effective immediate step. The cold causes vasoconstriction (narrowing of blood vessels), which limits blood leakage and reduces bruise size and intensity. For facial treatments, sleeping with your head elevated on an extra pillow for one to two nights helps drain fluid, reducing morning puffiness.

Understanding Bruising & Swelling After Polynucleotide Injections — Minimizing Bruising and Swelling After Polynucleotide Injections: Pro Tips
Table 1: A summary of immediate “Do’s and Don’ts” for post-injection care.

Gentle Handling and Avoiding Pressure

The treated area will be sensitive. Avoid rubbing, massaging, or applying pressure for at least 24-48 hours. This includes facial treatments, massages, or cleansing devices. When cleansing, use a gentle cleanser and pat the skin dry. Do not apply makeup for at least 12-24 hours to allow injection points to close, reducing infection risk.

Supplements & Topicals: Accelerating Your Polynucleotide Recovery

Certain supplements and topical products can support healing. They help manage inflammation and accelerate the reabsorption of bruised blood cells. Consult your doctor at Rejuva London before starting any new supplement, especially before a medical procedure.

Arnica Montana and Bromelain: Natural Anti-Inflammatories

Arnica montana is a homeopathic remedy used to reduce bruising, swelling, and pain, available in oral and topical forms. Patients can take oral arnica tablets a few days before their appointment and continue for several days after. Bromelain, an enzyme from pineapple stems, has been studied for anti-inflammatory properties that may reduce swelling and discomfort. Research in journals like the Journal of Oral and Maxillofacial Surgery has explored its efficacy in post-operative settings.

Topical Solutions: Vitamin K and Healing Balms

Topical Vitamin K oxide cream can be applied to a bruised area. Vitamin K is essential for blood clotting, and topical application may help fade bruises faster by breaking down pooled blood. After 24 hours, your doctor may recommend a healing balm or serum with ingredients like antioxidants and peptides to support skin barrier repair and soothe inflammation.

Lifestyle Adjustments for Optimal Healing: What to Avoid

Lifestyle choices impact the severity of bruising and swelling. Making temporary adjustments before and after your treatment can optimize healing. Avoid anything that thins the blood or increases blood flow and pressure to the face.

Medications and Substances to Temporarily Discontinue

Some medications and supplements have blood-thinning properties that increase bruising risk. Discuss your current medication list with your doctor during your consultation. For about one week before and a few days after treatment, avoid non-steroidal anti-inflammatory drugs (NSAIDs) like aspirin and ibuprofen, and high-dose supplements of Vitamin E, fish oil, garlic, and ginkgo biloba. Avoid alcohol for at least 24 hours before and after the procedure, as it dilates blood vessels and can exacerbate bruising.

Supplements & Topicals: Accelerating Your Polynucleotide Recovery — Minimizing Bruising and Swelling After Polynucleotide Injections: Pro Tips
Table 2: A general timeline for avoiding specific activities after polynucleotide injections.

Exercise, Heat, and Sun Exposure Post-Treatment

Strenuous exercise increases blood flow to treated areas, which can worsen swelling and create new bruises. Avoid vigorous workouts for at least 48 hours. Avoid excessive heat from hot showers, saunas, steam rooms, or direct sun for 2-3 days. Heat dilates blood vessels, counteracting cold compresses and potentially increasing inflammation.

The Rejuva London Difference: Doctor-Led Precision for Safer Injections

The most effective way to minimize bruising after injections starts before the injection. The practitioner’s expertise and technique are paramount in preventing complications. At Rejuva London, a doctor-led clinic on Harley Street, every injectable procedure is performed by a medical doctor with a background in facial anatomy and aesthetic medicine, ensuring high standards of safety and care.

Why Doctor-Led Technique Reduces Complications

A doctor’s understanding of facial anatomy—the location of arteries, veins, and nerves—is critical. This knowledge allows for strategic injection placement that avoids major vessels, reducing the risk of bruising. Our doctors may use a blunt-tipped cannula instead of a needle in certain areas, which can glide past blood vessels rather than piercing them. Learn more in our guide to Polynucleotide Injection Techniques: Precision and Safety Protocols.

Personalized Aftercare from Harley Street Experts

Your Rejuva London consultation includes a medical history review to identify bruising risk factors. After your treatment, you receive personalized aftercare instructions for your procedure and skin type. Choosing a clinic based on medical expertise is key to a safe outcome, a principle detailed in our guide on how to choose the best doctor-led aesthetic clinic in London.

Your Polynucleotide Recovery Timeline & When to Seek Advice

Understanding the healing timeline helps set realistic expectations and plan your schedule. While healing rates vary, most side effects from polynucleotide injections are mild and resolve quickly. Know the difference between a normal recovery and signs that require contacting the clinic.

Typical Resolution of Bruising and Swelling

Mild swelling and redness are most prominent for the first 1-3 days and then subside. Bruising follows a predictable course, appearing darkest in the first couple of days before changing color—from blue/purple to green, then yellow—as the body reabsorbs the hemoglobin. Most bruising resolves within 7-10 days, though smaller bruises may fade in 3-5 days. Age, skin type, and overall health can influence this timeline.

Recognizing and Responding to Uncommon Side Effects

While rare, be aware of signs of a complication. Contact our clinic immediately if you experience severe or increasing pain, spreading redness and warmth, pale or mottled skin discoloration away from the bruise, or signs of infection like pus. Our doctor-led team provides post-treatment contact information for direct access to medical advice if concerns arise.

Achieve Optimal Results with Expert Polynucleotide Care

Diligent aftercare is key to a comfortable recovery and achieving the best outcome from your polynucleotide treatment. Reducing bruising and swelling supports the skin’s healing environment, allowing the bio-stimulating effects of Plinest to work optimally. At Rejuva London, our commitment to patient safety and results extends from consultation to final follow-up.

To learn more about how polynucleotides can rejuvenate your skin and to receive a personalized treatment and aftercare plan, schedule a consultation with our medical team. Book a Polynucleotide Consultation today at our Harley Street clinic.

Frequently Asked Questions

What is the most effective way to minimize bruising after injections?

Applying a cold compress or ice pack wrapped in a cloth to the treated area for 10 minutes every hour on the day of your treatment is highly effective. This helps constrict blood vessels, which is a primary strategy to minimize bruising after injections and reduce associated swelling from your polynucleotide treatment.

Are there supplements I can take to help minimize bruising after injections?

Yes, many patients find Arnica montana, taken as oral tablets or applied as a topical gel, helpful in reducing the severity and duration of bruises. To help minimize bruising after injections, it can be beneficial to start taking it a day or two before your appointment, but always consult with your doctor first.

What activities should I avoid to minimize bruising after injections?

For the first 24-48 hours post-treatment, you should avoid strenuous exercise, excessive heat from saunas or hot yoga, and alcohol consumption. These activities increase blood flow and can dilate blood vessels, potentially worsening swelling or bruising. Following this guidance is crucial to minimize bruising after injections and ensure a smooth recovery.

How should I sleep after my polynucleotide treatment to reduce swelling?

On the first night after your procedure, try to sleep on your back with your head slightly elevated on an extra pillow. This position helps to reduce swelling by allowing fluid to drain away from the face more effectively, supporting the healing process.

When can I apply makeup to cover any potential bruises?

It is best to wait at least 12-24 hours before applying makeup to the treated area. This allows the small injection points to fully close, which helps prevent any risk of infection and ensures the skin can heal without irritation.

How can I ensure the safest procedure and best possible outcome?

Choosing a doctor-led clinic like Rejuva London is paramount for safety and results, especially for delicate areas like under the eyes. An expert injector’s precise technique significantly reduces trauma to the tissue, which is a key factor in preventing extensive bruising. To receive a personalised treatment plan, book a polynucleotide consultation with our medical team.

Dr. Kristy Lau, Medical Director of Rejuva London

Dr. Kristy Lau

Medical Director & Founder

Aesthetic Clinic London

MBBS Imperial College London
GMC Registered
30+ Years Medical Experience

Dr. Kristy Lau is the founder and Medical Director of

Rejuva London Clinic
, an

Imperial College London

graduate with over 10 years of comprehensive medical expertise. Specializing in dermatology and medical aesthetics, Dr. Lau combines rigorous medical training with advanced aesthetic technologies to deliver personalized, natural-looking treatments.

At Rejuva London’s prestigious Harley Street location, Dr. Lau ensures all procedures are performed exclusively by highly experienced doctors, maintaining the highest standards of safety and excellence in aesthetic medicine. Her doctor-led approach has successfully treated over 20,000 clients since establishing the clinic in 2018.

Medical Specializations:

Injectable Treatments
  • Anti-wrinkle Injections (Botox)
  • Dermal Fillers
  • Facial Contouring
Advanced Technologies
  • Picosure Pro Laser
  • Thermage RF
  • Ultherapy
Medical Dermatology
  • Skin Health Assessment
  • Medical Aesthetics
  • Laser Skin Treatments

Professional Qualifications & Credentials:

  • Medical Degree
    MBBS, Imperial College London
  • Professional Registration
    GMC Registered Medical Practitioner
  • Specialization
    General Practice (GP) Certification
  • Advanced Training
    Dermatology & Aesthetic Medicine Specialization

About Rejuva London

Established in on prestigious Harley Street,
Rejuva London has served over 20,000 clients through our doctor-led approach to aesthetic medicine.

Aesthetic Clinic London:
15 Harley Street
London
W1G 9QQ
United Kingdom

20,000+Clients Treated
6+Years of Excellence
100%Doctor-Led

Treatment Philosophy:

“My approach to aesthetic medicine centers on enhancing natural beauty while prioritizing patient safety.
Every treatment at Rejuva London is tailored to the individual, combining medical expertise with artistic
vision to achieve results that look naturally refreshed, never overdone.”
– Dr. Kristy Lau

Professional Memberships & Affiliations:

  • General Medical Council (GMC)
  • British College of Aesthetic Medicine
  • British Association of Cosmetic Doctors

Consult with Dr. Lau in Aesthetic Clinic in London:

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