Fever Blister Cold Sore Treatment

Salish Seaweeds proudly introduces AlgalAid®, an FDA monograph compliant external analgesic for the treatment of cold sores and fever blisters.  Each lot contains whole plant extracts of marine red algae whose anti-viral efficacy is measured and incorporated in AlgalAid to provide ten times the concentration needed to inhibit 90% of HSV1 virus.



  • 4 species of marine plants each possess thoroughly researched natural sulfated polysaccharides that interfere with the ability of HSV to adhere to the cell surface receptors of infected individuals.
  • The whole plant extracts contain a suite of anti-herpetic compounds effective against a range of viral strains, including acyclovir resistant HSV.
  • These plants have a demonstrated efficacy and safety record in over 30 years of use by compounding pharmacists and contain no petrochemicals.

Wholesale: $7.79

MSRP: $14.95

Salish Seaweeds

Safe, Effective Botanicals from the Sea

PO Box 4302 Friday Harbor, WA 98250





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