What Is Contractubex Gel?
Contractubex is a widely used topical gel by Merz Pharmaceuticals containing a triple-action formula: onion extract, heparin sodium, and allantoin. Designed to efficiently treat fresh and old scars—hypertrophic, keloid, burns, surgical, acne, and stretch marks—it promotes elasticity while reducing scar visibility .
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How It Works
Onion extract: anti-inflammatory, antibacterial, and reduces excessive scar tissue
Heparin: hydrates, softens tissue, supports regeneration, and reduces swelling
Allantoin: encourages wound healing, exfoliates, and relieves itching
Together, they inhibit abnormal fibroblast activity and support scar biomechanical restoration .
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Clinical Evidence
Large observational study (1,268 patients): over 80% reported good–very good scar improvement within 2–3 months of twice-daily application .
RCT in tattoo removal: significantly fewer scars in Contractubex-treated group .
Pediatric trial post-heart surgery: treated children had less visible scars at 6 and 12 months .
Reviews show consistent positive results—but silicone may outperform in some burn scar cases .
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How to Use
Apply 2–3 times daily, massaging into clean, dry scar until fully absorbed
For hardened or older scars, apply and cover with occlusive dressing overnight
Treatment duration:
Fresh scars: ~1 month
Old scars: 3–6 months
Contractures or severe scars: up to 12 months .
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Safety & Side Effects
Generally well tolerated. Rare reactions include itching, redness, contact dermatitis, hyperpigmentation, skin atrophy .
Suitable for use from age 1 and above; avoid in children under 1 year, pregnant or breastfeeding women unless advised .
Avoid on open wounds, mucosa, or directly post-sun/cold exposure .
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Real-World Feedback
Reddit and user reviews highlight practical insights:
> “Contractubex gives me redness and itchiness after a few applications.” (Patch test recommended)
“Very effective remedy for acne scars and dark spots.”
“My derm prescribed Contractubex. Been using since December…and atrophic scarring has massively improved.” .
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Conclusion
Contractubex Gel 20 g is a clinically verified, multi-action topical treatment ideal for minimizing scar tissue, from early-stage wounds to long-standing scars. With regular application, many users notice flatter, lighter, more elastic scars over several months. Side effects are rare and typically mild—but a patch test is recommended. For best results, pair with sun protection and gentle care.
