Abstract: The present invention relates to a phytospingosine derivative generated by a condensation reaction of phytospingosine and maltose or lactose, which is an aldose-based disaccharide, and to a composition containing the same. The phytospingosine derivative of the present invention has high solubility in water compared with phytospingosine, is easy to formulate since the stabilization problem in a solution is solved, and maintains or further enhances the antibacterial effect of phytospingosine.

Abstract: The present invention relates to a phytospingosine derivative generated by a condensation reaction of phytospingosine and maltose or lactose, which is an aldose-based disaccharide, and to a composition containing the same. The phytospingosine derivative of the present invention has high solubility in water compared with phytospingosine, is easy to formulate since the stabilization problem in a solution is solved, and maintains or further enhances the antibacterial effect of phytospingosine.

Abstract: The present disclosure relates to a drug delivery carrier containing a lipid structure or a polymer particle which is covalently bonded to a cell-penetrating AP-GRR peptide (SEQ ID NO 1) or is modified with the peptide chain containing the peptide. The present disclosure also relates to a composition containing the drug delivery carrier and a physiologically active ingredient encapsulated in the carrier. The drug delivery carrier of the present disclosure can effectively deliver macromolecules that are difficult to be delivered into cells, thereby improving the bioavailability of the macromolecules.

Abstract: A hybrid storage device is provided. The hybrid storage device includes a first storage part that comprises an interface device based on a first standard, a second storage part that comprises an interface device based on a second standard, and a connector for interface devices that is shared by the first storage part and the second storage part and comprises a plurality of pins.

Abstract: Disclosed is a pentaerythritol derivative represented by the following Formula 1, which improves moisture retaining ability of the stratum corneum when applied to the skin, and shows especially high moisturizing ability even in dry conditions. wherein R is independently saturated or unsaturated C6-C18 alkyl group; m and n are the same or different integers of which m is 0 to 10 and n is 1 to 10.

Abstract: A hybrid storage device is provided. The hybrid storage device includes a first storage part that comprises an interface device based on a first standard, a second storage part that comprises an interface device based on a second standard, and a connector for interface devices that is shared by the first storage part and the second storage part and comprises a plurality of pins.

Abstract: The present invention relates to a sesamol derivative or its salt, and a skin external composition containing the same. More particularly, the invention relates to a sesamol derivative or its salt, which consists of sesamol and 3-aminopropane phosphoric acid, linked with each other by a phosphoric acid diester bond, and can be degraded into sesamol and 3-aminopropane phosphoric acid by enzymes present on the skin so as to simultaneously show the physiological activities of sesamol and 3-aminopropane phosphoric acid, as well as a preparation method thereof and a skin external composition containing the same.

Abstract: The present invention relates to a sesamol derivative or its salt, and a skin external composition containing the same. More particularly, the invention relates to a sesamol derivative or its salt, which consists of sesamol and 3-aminopropane phosphoric acid, linked with each other by a phosphoric acid diester bond, and can be degraded into sesamol and 3-aminopropane phosphoric acid by enzymes present on the skin so as to simultaneously show the physiological activities of sesamol and 3-aminopropane phosphoric acid, as well as a preparation method thereof and a skin external composition containing the same.

Abstract: A ceramide-like compound having properties of the natural ceramides are represented by the following formula (I), and a method for producing the same , and a cosmetic composition containing the same as an active ingredient:

Abstract: An object of the present invention is to provide the tocopherol derivatives represented by the following formula (I), and their salts: Wherein, R1, R2 and R3 are H or methyl group, and at least one positions selected from group consisting of the R1, R2 and R3 positions are methyl group; and, A is CH2—CH(CH3)— or CH═C(CH3)— The other object of the present invention is to provide a method for preparing the above tocopherol derivatives. The tocopherol derivatives is prepared by reacting tocopherol with phosphorous oxychloride in an equivalent ratio of 1:1˜1.3, in presence of an organic base, in an organic solvent; reacting the tocopherol dichlorophosphate produced by the above reaction with 3-aminopropanol in presence of an organic base, in an organic solvent; and, hydrolyzing the above products.

Abstract: An object of the present invention is to provide the tocopherol derivatives represented by the following formula (I), and their salts: 1

Abstract: Disclosed herein is a ceramide-like compound having properties of the natural ceramides and represented by the following formula (I), and a method for producing the same, and a cosmetic composition containing the same as an active ingredient.