Patent ID: 8808706

Claim:
A method for preparing a topical Arthrospira -based composition, said method comprising the steps of: (1) growing Arthrospira; (2) as a separate step, physiologically stressing the Arthrospira by a stressing technique selected from the group consisting of: depriving nutrients, depriving light, dehydrating and removing up to 80% of liquid within which the Arthrospira is being grown until substantially all of the Arthrospira enters an anabiotic state, but not freeze drying the Arthrospira , and obtaining stressed Arthrospira ; and (3) combining a fungicidally or bactericidally effective amount of the stressed Arthrospira with a carrier, a solvent, a base or an excipient suitable for topical administration to the subject to form a the topical Arthrospira -based composition comprising at least 0.01% weight/weight stressed Arthrospira , and wherein the stressed Arthrospira of the composition comprises a filament material selected from the group consisting of: intact Arthrospira filaments, segments of Arthrospira filaments and disrupted Arthrospira filaments.