Ingredient Library: What's in the Labisan Formula
Plain-language pharmacology for every active in the Protective Lip Balm and Botanica Graviola formulas.
Browse the Library
We don't believe in opaque ingredient lists. Each page below documents what an ingredient is, the scientific mechanism it acts through, the published evidence for that mechanism, and the source/concentration grade Labisan uses. If you only have time for one, start with manuka oil — it does the heavy lifting on cold sore antiviral activity.
Manuka oil: Mechanism and Evidence
Triketone compounds (leptospermone, isoleptospermone, flavesone) intercalate into the HSV-1 lipid envelope and disrupt the membrane fusion...
Read →Zinc oxide: Mechanism and Evidence
Reflects and scatters UVA and UVB photons before they reach the lip stratum corneum, preventing the photo-oxidative damage and immunosuppression...
Read →Shea butter: Mechanism and Evidence
Saturated fatty acids (stearic, palmitic, oleic) embed into the disrupted intercellular lipid matrix of the lip stratum corneum, restoring the...
Read →Vitamin E: Mechanism and Evidence
Donates a hydrogen atom to terminate lipid peroxyl radical chain reactions in the stratum corneum, preventing UV-induced lipid breakdown that...
Read →Lanolin: Mechanism and Evidence
Closely matches the chemistry of human sebum, allowing it to integrate into the existing lip lipid film rather than sitting on top. Its complex...
Read →Propolis: Mechanism and Evidence
Flavonoids (galangin, pinocembrin, chrysin) and caffeic acid esters disrupt viral envelope integrity and suppress HSV-1 protein synthesis after...
Read →Labisan Protective Lip Balm
SPF 20 zinc oxide UV protection, manuka oil antiviral, shea butter and lanolin barrier. Made in Austria since 1931. Single tube $24.99 / Adventure Pack 3x $59.97 / Family Bundle 5x $89.95. Free shipping over $49.
Shop Labisan Lip Balm →Frequently Asked Questions
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