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Polynucleotides Contraindications & After Care

  • Writer: Vicki Hexter
    Vicki Hexter
  • Feb 12
  • 2 min read



CONTRAINDICATIONS
Absolute Contraindications
  • Allergy to fish or seafood (especially salmon/trout)
  • Pregnancy or breastfeeding
  • Active skin infection in treatment area
  • Active herpes simplex (cold sores)
  • Known hypersensitivity to any product ingredient
  • Autoimmune disease affecting connective tissue (unless medically cleared)
  • Active cancer or undergoing chemotherapy/radiotherapy
  • History of anaphylaxis
  • Severe uncontrolled diabetes
  • Bleeding disorders
  • Current anticoagulant therapy (unless medically approved)

Relative Contraindications (Require Clinical Assessment)
  • Previous dermal filler in the same area (within 4–6 weeks)
  • Recent laser, peel or microneedling (within 2–4 weeks)
  • Immunosuppression
  • Tendency toward keloid or hypertrophic scarring
  • Recent vaccination (within 2 weeks)
  • Active inflammatory skin conditions (eczema, psoriasis flare, dermatitis)

PRE-TREATMENT ADVICE
  • Avoid alcohol 24–48 hours before treatment.
  • Avoid aspirin, ibuprofen and blood-thinning supplements (omega 3, vitamin E, turmeric, ginkgo) for 3–5 days if medically safe.
  • Do not have dental work 2 weeks before or after treatment.
  • Avoid active skincare (retinol, acids, exfoliants) 3–5 days prior.
  • Avoid intense sun exposure for 1–2 weeks prior.
  • If prone to cold sores (especially peri-oral treatment), antiviral prophylaxis may be required.
  • Attend appointment makeup-free where possible.

AFTERCARE ADVICE
Polynucleotides are regenerative treatments — visible swelling can be more pronounced than standard skin boosters.
Immediate Aftercare
  • Expect redness, swelling and small raised blebs at injection points for 24–72 hours.
  • Mild bruising is common.
  • Tenderness in treated area may last several days.
First 24–48 Hours
  • Do not massage the area unless instructed.
  • Avoid makeup for 12–24 hours.
  • Avoid heat: no sauna, steam, hot baths or intense exercise.
  • Avoid alcohol.
  • Do not apply active skincare.
First 7 Days
  • Avoid facials, microneedling, laser or peels.
  • Avoid excessive sun exposure.
  • Use gentle cleanser and moisturiser only.
  • Apply SPF 30–50 daily.
Expected Treatment Response
  • Swelling may be more noticeable under the eyes or in thin skin areas.
  • Mild lumpiness may be felt temporarily as product integrates.
  • Skin quality improvement develops gradually over 3–6 weeks.
  • A course of 2–3 treatments spaced 2–4 weeks apart is typically recommended.
  • Full collagen remodelling continues for up to 12 weeks.

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