A novel an agent for maintaining or promoting collagen productivity is provided with.

An agent for maintaining or promoting collagen productivity of cells, comprising a wavelength conversion substance as an active ingredient; a composition and a product comprising the agent for maintaining or promoting collagen productivity; and a method for maintaining or promoting collagen productivity by means thereof are provided with. The present invention can exhibit a desirable effect on skin by effectively making use of ultraviolet light to maintain or promoting collagen productivity in skin cells.

The present invention relates to a composition comprising: (a) at least one particle comprising at least one cationic polymer and at least one anionic polymer, at least one cationic polymer and at least one amphoteric polymer, at least one anionic polymer and at least one amphoteric polymer, or at least one amphoteric polymer, and at least one non-polymeric acid having two or more pKa values or salt(s) thereof or at least one non-polymeric base having two or more pKb values or salt(s) thereof; and (b) water, wherein the anionic polymer is selected from hyaluronic acid and derivatives thereof, and the amphoteric polymer is selected from cationized hyaluronic acid and salts thereof. The composition according to the present invention is stable, and can have a variety of cosmetic functions. The stickiness of the composition according to the present invention can be reduced.

The present invention relates to a composition comprising: (a) at least one particle comprising at least one cationic polymer and at least one anionic polymer, at least one cationic polymer and at least one amphoteric polymer, at least one anionic polymer and at least one amphoteric polymer, or at least one amphoteric polymer, and at least one non-polymeric acid having two or more pKa values or salt(s) thereof or at least one non-polymeric base having two or more pKb values or salt(s) thereof; and (b) water, wherein the anionic polymer is selected from hyaluronic acid and derivatives thereof, and the amphoteric polymer is selected from cationized hyaluronic acid and salts thereof. The composition according to the present invention is stable, and can have a variety of cosmetic functions. The stickiness of the composition according to the present invention can be reduced.

The present disclosure provides a novel thrombin action inhibitor, a composition for preventing skin disorders caused by pollens, and a cosmetic or non-therapeutic method for preventing skin disorders caused by pollens. More specifically, by using glutathione or a salt thereof as an active ingredient, a thrombin action inhibitor or a composition for preventing skin disorders caused by pollens can be prepared, and the inhibitor or the composition can be used in a cosmetic or non-therapeutic method for preventing skin disorders caused by pollens.

The present disclosure provides a novel thrombin action inhibitor, a composition for preventing skin disorders caused by pollens, and a cosmetic or non-therapeutic method for preventing skin disorders caused by pollens. More specifically, by using glutathione or a salt thereof as an active ingredient, a thrombin action inhibitor or a composition for preventing skin disorders caused by pollens can be prepared, and the inhibitor or the composition can be used in a cosmetic or non-therapeutic method for preventing skin disorders caused by pollens.

An anti-oxidizing agent or skin stress suppressing agent was provided with.

An anti-oxidizing agent or skin stress suppressing agent comprising a wavelength conversion substance as an active ingredient; a composition and a product comprising the anti-oxidizing agent or skin stress suppressing agent; and a method for suppressing oxidization and skin stress of skin using thereof were provided with. The present invention can exhibit a desirable effect on skin by effectively making use of ultraviolet light to suppress skin cells.

An anti-oxidizing agent or skin stress suppressing agent was provided with.

An anti-oxidizing agent or skin stress suppressing agent comprising a wavelength conversion substance as an active ingredient; a composition and a product comprising the anti-oxidizing agent or skin stress suppressing agent; and a method for suppressing oxidization and skin stress of skin using thereof were provided with. The present invention can exhibit a desirable effect on skin by effectively making use of ultraviolet light to suppress skin cells.

A skincare product having packaged in a container a stable and effective ascorbic acid (vitamin C) serum formulation formulated from a skincare composition and a composition therefor. The composition comprises several types of hydrophilic ascorbyl (vitamin C) molecules in their respective suitably selected concentration ranges, several types of hydrophobic ascorbyl (vitamin C) molecules with their respective suitably selected concentration ranges, glutathione to co-stabilize the water phase vitamin C, bisabolol to prevent skin irritation from high vitamin C concentration, and a lipid cap that contains several types of vitamin E and squalane (non-oxidizable) to insulate hydrophilic/water phase from air.

A skincare product having packaged in a container a stable and effective ascorbic acid (vitamin C) serum formulation formulated from a skincare composition and a composition therefor. The composition comprises several types of hydrophilic ascorbyl (vitamin C) molecules in their respective suitably selected concentration ranges, several types of hydrophobic ascorbyl (vitamin C) molecules with their respective suitably selected concentration ranges, glutathione to co-stabilize the water phase vitamin C, bisabolol to prevent skin irritation from high vitamin C concentration, and a lipid cap that contains several types of vitamin E and squalane (non-oxidizable) to insulate hydrophilic/water phase from air.

The present invention relates to a structure for accelerating transdermal absorption, a manufacturing method thereof, and a cosmetic composition comprising the same, and the structure for accelerating transdermal absorption comprises an acicular body; a hydrophilic group binded to the acicular body; and a carrier binded to the hydrophilic group.