Abstract: The present invention relates to peptides of general formula (I) capable of regulating fibrillogenesis, stereoisomers thereof and mixtures thereof, which may or may not be racemic, and the cosmetically or dermopharmaceutically acceptable salts thereof, wherein Z is alanyl, allo-isoleucyl, glycyl, isoleucyl, isoseryl, isovalyl, leucyl, norleucyl, norvalyl, prolyl, seryl, threonyl, allo-threonyl or valyl; n and m may vary between 1 and 5; AA is selected from the group consisting of natural amino acids encoded in their L- or D-form and non-encoded amino acids; x and y may vary between 0 and 2; R1 is H or alkyl, aryl, aralkyl or acyl group; and R2 is amino, hydroxyl or thiol, all of them substituted or non-substituted with aliphatic or cyclic groups. A method for obtaining cosmetic or dermopharmaceutical compositions containing them and use thereof for treating the skin, preferably those skin conditions which require regulating fibrillogenesis, such as aging and/or the softening of the appearance of scars.

Abstract: Peptides of general formula (I): R1—Wn—Xm-AA1-AA2-AA3-AA4-Yp—Zq—R2 (I) its stereoisomers, mixtures thereof and/or their cosmetically or pharmaceutically acceptable salts, a preparation process, cosmetic or pharmaceutical compositions which contain them and their use in the treatment and/or care of the skin, mucous membranes and/or hair and the treatment and/or care of those conditions, disorders and/or diseases which are improved or prevented by Hsp stimulation.

Abstract: A method for skin antiaging treatment including administering Botulinum toxin to an area of facial and/or neck skin, combined with the administration of a cosmetic or pharmaceutical composition having a cosmetically or pharmaceutically effective amount of at least one peptide derived from the SNAP-25 protein and/or at least one enkephalin-derived peptide, and at least one cosmetically or pharmaceutically acceptable excipient or adjuvant.

Abstract: Peptides of general formula (I): R1—Wn—Xm-AA1-AA2-AA3-AA4-AA5-AA6-Yp—Zs—R2 their stereoisomers, mixtures thereof and/or their cosmetically or pharmaceutically acceptable salts, their preparation process, cosmetic or pharmaceutical compositions which contain them and their use in the treatment and/or care of conditions, disorders and/or diseases that are a consequence of muscle contraction.

Abstract: The present invention relates to compounds of general formula (I): wherein X is selected from the group consisting of O or S and R is a linear or branched, saturated or unsaturated aliphatic group with from 2 to 23 carbon atoms (C2 to C23), or a cyclic group, and which can contain substituents selected from the group consisting of hydroxy, alkoxy, amino, carboxyl, cyano, nitro, alkylsulfonyl or halogen atoms, a method of obtaining them, cosmetic or pharmaceutical compositions containing them and the use thereof for treating, caring for and/or cleaning skin, hair and/or nails, preferably those conditions, disorders or pathologies of the skin, hair and/or nails which require regulating melanogenesis.

Abstract: Peptides of general formula (I): R1-AA1-AA2-AA3-R2??(I) its stereoisomers, mixtures thereof and/or their cosmetically or pharmaceutically acceptable salts, a preparation process, cosmetic or pharmaceutical compositions which contain them and their use in the treatment and/or care of conditions, disorders and/or diseases of the skin and/or hair.

Abstract: A method for skin antiaging treatment comprising administering Botulinum toxin to an area of facial and/or neck skin, combined with the administration of a cosmetic or pharmaceutical composition comprising a cosmetically or pharmaceutically effective amount of at least one peptide derived from the SNAP-25 protein and/or at least one enkephalin-derived peptide, and at least one cosmetically or pharmaceutically acceptable excipient or adjuvant.

Abstract: Peptides of general formula (I): R1-Wp-Xn-AA1-AA2-AA3-AA4-Ym-R2 their stereoisomers, mixtures thereof, and/or their cosmetically or pharmaceutically acceptable salts, a method of preparation, cosmetic or pharmaceutical compositions containing them and their use for the treatment, prevention and/or care of conditions, disorders and/or diseases of the skin, mucous membranes and/or scalp.

Abstract: Peptides with general formula (I): R1-AA1-AA2-AA3-AA4-R2 its stereoisomers, mixtures thereof, and its cosmetically or pharmaceutically acceptable saits, a method of preparation, cosmetic or pharmaceutical compositions containing them and their use for the treatment and/or care of conditions, disorders and/or pathologies of the skin, mucous membranes, scalp and/or hair.

Abstract: The invention relates to peptide derivatives of general formula (I): R1-AA1-AA2-AA3-AA4-R2??(I) their stereoisomers, mixtures thereof, and their cosmetically or pharmaceutically acceptable salts, a method for obtaining them, cosmetic or pharmaceutical compositions containing them and their use for the treatment, care and/or cleansing of those conditions, disorders and/or pathologies of the skin, mucosae, scalp and/or nails resulting from microorganism proliferation or being at risk of microorganism proliferation.

Abstract: Peptides of general formula (I): R1AA1-AA2-AA3-AA4-R2 stereoisomers thereof, mixtures thereof or the cosmetically or pharmaceutically acceptable salts thereof, a method for obtaining them, cosmetic or pharmaceutical compositions containing them, and their use for the treatment and/or care of those conditions, disorders and/or pathologies of the skin, mucosae and/or scalp resulting from matrix metalloproteinases (MMP) overexpression or an increase in the MMP activity.

Abstract: The present invention relates to compounds of general formula (I): wherein X is selected from the group consisting of O or S and R is a linear or branched, saturated or unsaturated aliphatic group with from 2 to 23 carbon atoms (C2 to C23), or a cyclic group, and which can contain substituents selected from the group consisting of hydroxy, alkoxy, amino, carboxyl, cyano, nitro, alkylsulfonyl or halogen atoms, a method of obtaining them, cosmetic or pharmaceutical compositions containing them and the use thereof for treating, caring for and/or cleaning skin, hair and/or nails, preferably those conditions, disorders or pathologies of the skin, hair and/or nails which require regulating melanogenesis.

Abstract: The invention relates to peptides of general formula (I): R1-AA-R2 ??(I) which can regulate neuronal exocytosis, their stereoisomers and racemic or non-racemic mixtures thereof, and the cosmetically or pharmaceutically acceptable salts thereof, wherein AA is a sequence of 3 to 40 adjacent amino acids contained in the amino acid sequence of the SNAP-25 protein, R1 is selected from the group consisting of H or alkyl, aryl, aralkyl or acyl group; and R2 is selected from the group consisting of amino, hydroxyl or thiol, substituted or non-substituted with aliphatic or cyclic groups, with the condition that when R1 is H or acetyl, R2 is not non-substituted amino, hydroxyl or thiol. The invention also relates to a method of obtaining such peptides, cosmetic or pharmaceutical compositions containing them and their use to treat those conditions requiring neuronal exocytosis regulation, preferably for treating the skin.

Abstract: The invention relates to cosmetic compositions which are intended to improve the firmness of the skin by increasing adhesion of cutaneous cells in relation to one another and the basal lamina. The aforementioned compositions comprise a cosmetically-effective quantity of peptides having general formula X-isoleucyl-lysyl-valyl-alanyl-valine-Y, known as XIKVAV (FIG. 1). The invention also relates to the use of XIKVAV peptides in the preparation of cosmetic compositions which are intended to improve the firmness of the skin.