Clothing promoting metabolism of keratin layer
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Mar 12, 2002
Grant Date -
N/A
app pub date -
Feb 8, 2000
filing date -
Feb 8, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A clothing with effects on the reduction of skin dryness, skin roughness, wrinkle and spot is provided, together with a method for attaching a microcapsule. The metabolism of keratin layer is promoted by using a clothing prepared by attaching to the fiber, a microcapsule containing and sealing therein at least 10% by weight of at least one .alpha.-hydroxy acid. Chitosan is used as a crosslinking agent. The microcapsule and chitosan are given within a range of from about 4:1 to about 1:6 in weight ratio. The total amount of the chitosan and the microcapsule occupies from about 0.1 to about 15% of the fiber weight at a dry state.
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