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Basics & Technique

I dropped my vial and it cracked. Can I save the peptide?

Updated 2026-05-04

If the glass cracked or shattered, throw it out. Tiny shards you can't see can end up in the syringe and then under your skin, and the rubber stopper is no longer a sterile seal. No filter trick is worth it. If the vial is intact but the rubber stopper popped off or got dirty, the contents are also unsafe. Replace the vial and ask your supplier for a credit on the next order.

IfIf the glass cracked, chipped, or shattered
Thenthen throw the entire vial in a sharps container and replace it
IfIf the rubber stopper came off or got contaminated
Thenthen throw it out - the seal is what kept it sterile
IfIf the vial just rolled and looks fine
Thenthen wipe the stopper with alcohol and use it normally
IfIf you bought from a research site
Thenthen email a photo and ask for a replacement on the next order
Key facts
  • Cracked glass releases micro-shards that filters do not reliably remove
  • The rubber stopper is the sterile seal once factory-sealed; if it lifts or pops, sterility is lost
  • Hard-particle injection can cause local inflammation, embolism risk in small vessels, and infection
  • Most reputable research vendors will credit a clearly cracked vial with a photo
  • Always store vials upright in a padded box or insulated bag to prevent rolling falls
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