Hydroxamic acid derivatives and the method for preparing thereof
The present invention provides hydroxamic acid derivatives which have anti-aging efficacy and a method for preparation thereof. It is further provided skin-care external compositions for preventing skin aging, containing the hydroxamic acid derivatives represented by the formula (I) as an active ing...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The present invention provides hydroxamic acid derivatives which have anti-aging efficacy and a method for preparation thereof. It is further provided skin-care external compositions for preventing skin aging, containing the hydroxamic acid derivatives represented by the formula (I) as an active ingredient. |
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