Side-by-Side Comparison · 2026

Bacitracin vs Dermcidin

Bacitracin vs Dermcidin — mechanism, half-life, dosing, and research status compared. Which is right for your protocol?

Bacitracin
Antimicrobial Peptide

Bacitracin is a polycyclic peptide antibiotic from Bacillus subtilis licheniformis, first isolated in 1945 from wound cultures of a 7-year-old girl named Margaret Tracy (hence "bacitracin"). It is available OTC in Neosporin and similar triple-antibiotic ointments and is one of th...

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Dermcidin
Antimicrobial Peptide

Dermcidin is a constitutively expressed antimicrobial peptide produced by eccrine sweat glands of human skin. It is secreted as a precursor and processed in sweat to yield active peptides that protect the skin surface from bacterial colonization....

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Key Parameters
Parameter Bacitracin Dermcidin
Category Antimicrobial Peptide Antimicrobial Peptide
Research FDA Approved (topical) Preclinical
Half-Life Hours (topical) Hours (sweat)
Typical Dose 400-500 units/g ointment N/A (endogenous)
Frequency 1-3x daily Constitutive
Route Topical Endogenous (sweat glands)
FDA Status Approved (topical) Not approved

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Frequently Asked Questions
What is the difference between Bacitracin and Dermcidin?
Bacitracin: Bacitracin is a polycyclic peptide antibiotic from Bacillus subtilis licheniformis, first isolated in 1945 from wound cultures of a 7-year-old girl named Margaret Tracy (hence "bacitracin"). It is ava... Dermcidin: Dermcidin is a constitutively expressed antimicrobial peptide produced by eccrine sweat glands of human skin. It is secreted as a precursor and processed in sweat to yield active peptides that protect...
Which has a longer half-life, Bacitracin or Dermcidin?
Bacitracin half-life: Hours (topical). Dermcidin half-life: Hours (sweat).
Can you stack Bacitracin and Dermcidin?
Bacitracin and Dermcidin are in the same category and used together in research protocols. Always consult relevant literature and follow appropriate guidelines.

For research use only. Not medical advice. ASCEND does not conduct or endorse any specific research protocol. Always consult relevant scientific literature and regulatory guidelines.