Methods of skin treatment and use of water-soluble β-(1,3) glucans as active agents for producing therapeutic skin treatment agents

A method of treating a subject suffering from an ulcer, said method comprising applying topically to the ulcer a preparation comprising a water-soluble branched β-(1,3)-glucan having β-(1,3)-linked chains, and having essentially no β-(1,6)-linked side-chains;

• wherein said glucan originates from the yeast family Saccharomyces;
• wherein said ulcer is selected from the group consisting of a diabetic ulcer, a plantar ulcer, a decubitus ulcer, a venous ulcer, an ischemic ulcer, a cancerous ulcer, an aphthous ulcer, a sublingual ulcer and an atonic ulcer.