When it comes to scar treatments, Mederma is one of the most recognizable names on pharmacy shelves. Marketed as a solution for various types of scars – from acne marks to surgical scars – this over-the-counter product has gained both loyal followers and skeptical critics. But what’s the real story behind Mederma’s effectiveness?
Scars form when the skin repairs itself after injuries, surgeries, or acne. While they’re a natural part of healing, many people seek ways to minimize their appearance. Mederma positions itself as a solution, but does it live up to the claims? Let’s examine the evidence, user experiences, and expert opinions to give you a comprehensive answer.
Understanding Mederma’s Formula
Mederma’s effectiveness largely depends on its unique formulation. The product contains several key ingredients that work together to potentially improve scar appearance:
1. Allium Cepa (Onion Extract)
This is Mederma’s star ingredient. Onion extract has been studied for its potential to:
- Reduce inflammation in scar tissue
- Inhibit excessive collagen production (which causes raised scars)
- Improve scar texture and color
2. Hyaluronic Acid
This moisture-binding ingredient helps:
- Keep scar tissue hydrated
- Create a better environment for skin repair
- Improve the skin’s elasticity
3. Additional Moisturizing Agents
Mederma contains other emollients that:
- Prevent dryness and itching in healing scars
- Help maintain skin flexibility
- Create a protective barrier over the scar
Scientific Evidence: What Research Says
Several clinical studies have examined Mederma’s effectiveness:
Positive Findings:
- A 2006 study published in the Journal of Clinical and Aesthetic Dermatology found that onion extract gel improved scar color, texture, and softness compared to untreated scars.
- Research in Dermatologic Surgery showed improvement in post-surgical scars after consistent use for 4 weeks.
- Some studies suggest onion extract may help prevent excessive scar formation when used early in the healing process.
Limitations and Contradictions:
- A 2012 study in the Journal of the American Academy of Dermatology found that onion extract showed no significant improvement over petroleum jelly in scar treatment.
- Many dermatologists argue that silicone-based products have stronger evidence for scar improvement.
- Most studies note that results take weeks to months of consistent application.
Real-World User Experiences
Examining hundreds of user reviews reveals a mixed picture:
Success Stories (Where Mederma Worked Well)
- “My cesarean scar was thick and red. After 3 months of daily Mederma use, it’s barely noticeable.”
- “Used it on fresh acne scars – saw noticeable lightening in about 6 weeks.”
- “Great for reducing the redness of my knee surgery scar.”
Disappointing Experiences
- “No change in my 5-year-old burn scar after 4 months of use.”
- “The gel is sticky and pills under makeup – not practical for facial scars.”
- “Saw more improvement with simple vitamin E oil at half the price.”
How to Use Mederma for Optimal Results
To maximize Mederma’s potential benefits, follow these application guidelines:
1. Start Early
- Best results occur when treatment begins on newly formed scars (2-3 weeks after wound closure)
- Older scars may still improve but typically require longer treatment
2. Proper Application Technique
- Cleanse the scar area with mild soap and pat dry
- Apply a thin layer (about the size of a pea for a 2-inch scar)
- Gently massage in circular motions for 30-60 seconds until fully absorbed
- Allow to dry completely before covering with clothing
3. Consistency is Key
- Apply 3-4 times daily for fresh scars
- Use once daily for older scars
- Continue treatment for at least 8 weeks (new scars) to 6 months (old scars)
4. Complementary Care
- Always use sunscreen on healing scars (sun exposure darkens scars)
- Consider gentle scar massage 2-3 times daily
- Keep the scar moisturized between applications
Potential Side Effects and Precautions
While generally safe, some users report:
Common Mild Reactions
- Temporary redness at application site
- Mild itching or tingling sensation
- Slight stickiness that may attract dust
Rare but Possible Issues
- Allergic reactions (especially in those sensitive to onions)
- Breakouts in acne-prone individuals
- Skin lightening in some cases
Safety Tips
- Always perform a patch test before full application
- Discontinue use if severe irritation occurs
- Consult a doctor before using on deep wounds or infected areas
Mederma vs. Alternative Scar Treatments
How does Mederma compare to other popular scar remedies?
1. Silicone Gel/Sheets
Pros: Clinically proven for keloids and hypertrophic scars, longer-lasting effects
Cons: More expensive, may cause sweating under sheets
2. Vitamin E Oil
Pros: Inexpensive, widely available
Cons: Mixed scientific evidence, can cause irritation
3. Prescription Treatments
Pros: Stronger formulations for severe scars
Cons: Requires doctor visit, potential side effects
4. Natural Remedies (Aloe, Coconut Oil)
Pros: Gentle, inexpensive
Cons: Limited evidence for scar reduction
Special Considerations for Different Scar Types
Not all scars respond equally to Mederma. Here’s what to expect:
1. Surgical Scars
- Best results on clean, linear scars
- Works well for reducing redness
- May help prevent thick, raised scarring if used early
2. Acne Scars
- More effective for red/dark marks than deep pitted scars
- Works best when combined with sun protection
3. Burn Scars
- Limited effectiveness on severe burns
- May help with texture of minor burns
4. Stretch Marks
- Some improvement in early, red stretch marks
- Less effective on older, white stretch marks
Cost and Value Analysis
Mederma’s pricing structure:
20g tube: 20 (lasts about 1 month with daily use)
50g tube: 35 (better value)
PM Intensive Overnight Cream: 30
Compared to alternatives:
- More expensive than basic moisturizers
- Cheaper than professional silicone treatments
- Mid-range price point for scar products
Expert Opinions from Dermatologists
We surveyed dermatologists for their professional take:
Supportive Views
- “A reasonable first-line option for mild scars.”
- “The massage component of application helps regardless of product.”
- “Worth trying for patients who want non-prescription options.”
Skeptical Views
- “Silicone products have more robust evidence.”
- “Most benefits likely come from the moisturizing base rather than active ingredients.”
- “Manages expectations – it’s not a magic eraser for scars.”
Long-Term Results: What to Expect Realistically
Typical progression with Mederma use:
Weeks 1-4: Possible reduction in redness, slight softening
Months 2-3: Noticeable improvement in texture and color for responsive scars
Months 4-6: Maximum results typically achieved
Important notes:
- Scars continue maturing naturally for 12-18 months
- Complete scar elimination is unlikely
- Best results come from early, consistent use
Conclusion
Mederma represents a middle-ground option in scar treatment – more advanced than basic moisturizers but less potent than medical interventions. While scientific evidence is mixed, many users report satisfactory results, particularly for newer scars.
Frequently Asked Questions
How long does a tube of Mederma last?
A 20g tube lasts about 4 weeks with daily use on a 3-inch scar.
Can I use Mederma on my face?
Yes, but avoid direct eye contact and monitor for breakouts.
Is Mederma safe during pregnancy?
Consult your OB-GYN, though topical use is generally considered low-risk.
Why does my scar look worse at first?
Some temporary whitening or increased visibility can occur as the product works.
Related topics:
Can microdermabrasion remove acne scars?
Can Plastic Surgeons Remove Scars?
What is the best treatment for acne scars and wrinkles?
