摘要:
A magnesium aluminometasilicate coated composite powder which comprises magnesium aluminometasilicate, or magnesium aluminometasilicate and at least one other powder coated on a surface of a core powder and which is usable in, for example, a skin treatment agent, decodorant, and oral composition.
摘要:
A composite powder wherein an organic or inorganic core powder is substantially completely covered with one or more types of organic, inorganic, or metallic powders having an average particle size one-fifth or less of the average particle size of the above core powder by means of mixing and compression. The composite powder may be manufactured by mixing and compressing the above core powder and coating powder using a ball mill or other mixer charged with a ball shaped mixing medium of an average diameter of 5 mm or less. This composite powder may be used in, for example, skin treatment agent, makeup type cosmetics, sunburn preventing cosmetics, deodorants.
摘要:
A UV-ray sensitive composition, comprising a photo activator forming a free radical by the irradiation of UV-rays, a discoloring agent which exhibits a color change in visible region of spectrum through the action of this free radical, and a UV-ray absorber.
摘要:
The invention provides a parakeratosis inhibitor, pore-shrinking agent, or rough skin preventing/ameliorating agent that has a function such as parakeratosis inhibition, pore shrinkage, or rough skin-inhibition/abatement, poses no safety problems such as sensory irritation, and is very safe, and further provides an external composition for skin to which a compound having the above-mentioned function has been added. The parakeratosis inhibitor, pore-shrinking agent, or rough skin preventing/ameliorating agent comprises one or more compounds selected from the group consisting of β-alanine derivatives and salts thereof. The external composition for skin comprises the one or more compounds selected from the group consisting of β-alanine derivatives and salts thereof as the above-mentioned parakeratosis inhibitor, pore-shrinking agent, or rough skin preventing/ameliorating agent.
摘要:
A heparanase activity inhibitor comprising, as an active ingredient, a cyclic carboxamide derivative represented by formula (I): wherein n is an integer of 1 to 3, R1 is hydrogen or a C1-6 hydrocarbon group optionally substituted with hydroxyl, X is —CH2— or a group represented by —N(R2)—, and R2 is hydrogen or a C1-6 hydrocarbon group optionally substituted with hydroxyl, or a salt thereof.
摘要:
The present invention provides an agent for preventing and alleviating wrinkles which has excellent effects of preventing and alleviating wrinkles formed by decreased barrier function of the skin owing to aging or photo aging, that is graphic wrinkles or linear wrinkles. The agent for preventing and alleviating wrinkles consisting of one or more compounds selected from the group consisting of gamma-aminobutyric acid derivatives represented by the following formula (1) or N,N,N-trimethyl gamma-aminobutyric acid represented by the following formula (3) and salts thereof: wherein R1 and R2 independently represent any of a hydrogen atom, an alkyl group having 1 to 3 carbon atoms, a benzyloxycarbonyl group, a cyclohexyl group, a cyclohexanemethyl group, a cyclohexanecarbonyl group, a guanidino group formed with nitrogen atom in the formula (1), an ureido group formed with nitrogen atom in the formula (1), and a group represented by following formula (2). Additionally, R1 and R2 may jointly form a piperidine ring, morpholine ring, or pyrrolidine ring. Both of R1 and R2 are not simultaneously a hydrogen atom.
摘要:
Disclosed is an ADAM inhibitor which enables to prevent or improve conditions caused by increase in ADAM activity. Specifically disclosed is an ascorbic acid derivative represented by the general formula (1) below or a salt thereof. [chemical formula 1] (1), wherein R represents a linear or branched alkyl group having 1 to 22 carbon atoms.
摘要:
An external skin treatment composition containing, based upon the total weight of the composition, 0.001% by mass or more of a diol compound of formula (I), (II), (III), or (IV) or the derivative thereof and a balance of a carrier: wherein R indicates a benzyl group or a phenyl group.
摘要:
Ultraviolet absorbents and photostabilizers have an excellent absorption ability in a wide range of ultraviolet rays, and also have high stability and high safety. The ultraviolet absorbent and photostabilizer include a pyridazine derivative of the formula (1): or salts thereof. Also, described are methods for manufacturing said pyridazine derivative and/or this salts thereof comprising the process of reacting at least 10 wt % of 4,5-dichloro-3-hydroxypyridazine or 4,5-dibromo-3-hydroxypyridazine or mixtures thereof with at least 20 vol % of morpholine in reaction solution at 70° C. or higher. The ultraviolet absorbents photostabilizers include said pyridazine derivative and/or salts thereof as effective ingredient. An ultraviolet ray absorption composition and an external preparation for skin are also included.
摘要:
An external preparation for the skin comprising at least one of the glycosides or hydroxysaliyclic acid and/or the glycosides of aliphatic esters of hydroxysalicylic acid represented by the following formula 1: ##STR1## wherein R.sub.1 represents one selected from the group consisting of saturated hydrocarbon group and an unsaturated hydrocarbon group which have 1 to 20 carbon atoms and which may be either a straight-chain or a branched chain, and one of R.sub.2 and R.sub.3 represents a sugar residue and the other hydrogen. The external preparation for the skin has an excellent whitening effect and/or an excellent skin care effect.