Granulomas from Vitamin C After Microneedling? Truth or Myth?
Soltani-Arabshahi R, Wong JW, Duffy KL, Powell DL. Facial Allergic Granulomatous Reaction and Systemic Hypersensitivity Associated With Microneedle Therapy for Skin Rejuvenation. JAMA Dermatol. 2014;150(1):68–72. doi:10.1001/jamadermatol.2013.6955
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Link: https://jamanetwork.com/journals/jama....
Q: Does microneedling with vitamin C cause granulomas?
A: No, microneedling with vitamin C does not inherently cause granulomas. A study titled "Facial Allergic Granulomas Reaction and Hypersensitivity Associated with Microneedle Therapy for Skin Rejuvenation" examined three cases of granulomas linked to a specific product, the Sanita Skincare Vita C serum. Two patients tested positive for an allergic reaction to the serum, suggesting that the issue stemmed from the product’s formulation, not the microneedling procedure itself. It’s critical to use well-tested, fragrance-free, and preservative-minimal products after microneedling and to patch-test beforehand.
Q: What precautions can prevent complications like granulomas with microneedling?
A: To prevent issues like granulomas:
Avoid using untested or new serums after microneedling.
Conduct a patch test to ensure the product won’t cause sensitivity.
Use clean and sterile microneedling devices, like replaceable-head stampers, to minimize contamination risks.
Do not microneedle over active acne, infections, or irritated skin.
Apply products only after microneedling, not before.
Q: How does vitamin C benefit microneedling when used correctly?
A: Vitamin C, when used with proper precautions, accelerates collagen production, fades acne scars, and brightens skin. Use fragrance-free, low-preservative formulations like the Banish serum to reduce risks. Apply only after microneedling and follow up with sunscreen for added protection.