| Treatment | Per Session | Sessions | Improvement |
|---|---|---|---|
| Topical Rx (tretinoin) | $30–$100/month | Ongoing | 20-30% (new marks only) |
| Microneedling | $250–$500 | 4-6 | 40-60% |
| Fractional laser | $500–$1,500 | 3-5 | 50-70% |
| PRP + microneedling | $600–$1,000 | 3-4 | 50-70% |
| Combination (laser + PRP) | $800–$1,500 | 3-4 | 60-80% |
| Carboxytherapy | $200–$400 | 6-10 | 30-50% |
New stretch marks (red, purple, or pink — called striae rubra) have active blood supply and respond well to treatment. Topical tretinoin, laser, and microneedling can produce 50-80% improvement on new marks. Old stretch marks (white or silver — striae alba) have lost their blood supply and are essentially scar tissue. Treatment still helps but improvement is typically 30-50%. The best strategy: treat stretch marks as soon as they appear, and use combination treatments for older marks.
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