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L-Lysine and the Treatment of Hair Loss
US Patent 6136860 Applicant: Bio-Scientific Ltd., London, UK
An English biotech company was recently issued a US patent for the use of L-Lysine
in the treatment of various types of hair loss, including androgenic alopecia. Following are excerpts from the
"Studies involving the administration according to the present invention of L-lysine
to those suffering from increased hair shedding show a remarkable increase in scalp hair growth."
"Typically, the L-lysine is administered in a daily dose of from 200 to 2000 mg, and
more usually in a daily dose of 500 to 1500 mg, e.g. in the form of a 500 mg dose administered orally once, twice
or three times a day. L-lysine may conveniently be administered orally, for example as tablets, capsules."
"We have also discovered that administration of lysine to patients results in a
dramatic increase in the efficacy of known treatments for genetic hair loss (which term covers a number of
conditions variously referred to as androgen-dependent alopecia, androgenic alopecia, androgenetic alopecia, common
baldness, female baldness, diffuse hair loss and male pattern baldness)."
"Thus, in a further aspect of the present invention there is provided a kit including
a plurality of separate containers, each containing at least one active agent useful in a combination therapy for
the treatment of genetic hair loss, wherein said kit includes L-lysine and at least one further active agent
selected from minoxidil, anti-androgens, 5.alpha.-reductase inhibitors, aromatase inhibitors."
"The co-administration of L-lysine with known treatments for genetic hair loss such
as minoxidil and anti-androgens results in a significant improvement in the efficacy of the treatment."