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US 6,444,699 B1Granted
Method for treatment of aging or damage skin
AssigneeBioDerm, Inc.
InventorLorraine Faxon Meisner
Life of this patent
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AssigneeBioDerm, Inc.
InventorLorraine Faxon Meisner
Estimating the term…
An ascorbic acid-based composition and related method for the treatment of aging or photo-damaged skin is disclosed. The composition includes water and ascorbic acid, at least a portion of which has generally been pretreated by being dissolved under relatively high temperature and concentration conditions. The composition typically includes at least about 5.0% (w/v) ascorbic acid and may advantageously be formulated to have a pH above 3.5. Generally, the composition also includes non-toxic zinc salt, tyrosine compound, and/or pharmaceutically acceptable carrier. In addition, the composition may include an anti-inflammatory compound, such as aminosugar and/or sulfur-containing anti-inflammatory compound. The topical composition may be in the form of a serum, a hydrophilic lotion, an ointment, a cream, or a gel.
A method of treating damage to skin due to aging comprising applying a topical composition to the skin, wherein the topical composition has a pH of 3.6 to 4.2 and comprises water, 5 to 25% (w/v) pretreated ascorbic acid, and a non-toxic zinc salt.
A method of treating damage to skin damage due to exposure to radiation comprising applying a topical composition to the skin, wherein the topical composition has a pH of 3.6 to 4.2 and comprises water, 5 to 25% (w/v) pretreated ascorbic acid, and a non-toxic zinc salt.
A method of protecting skin against damage due to exposure to radiation comprising a step of applying a topical composition to the skin, wherein the topical composition has a pH of 3.6 to 4.2 and comprises water and 5% (w/v) to 25% (w/v) pretreated ascorbic acid.
Dependencies are inferred from the claim text.