Abstract: The tetrapeptide has the general Formula X-LLAN-Z wherein at the N-terminal end X is selected from H, —CO—R1, —SO2—R1 or a biotinoyl group, at the C-terminal end Z is selected from OH, OR1, NH2, NHR1 or NR1R2, and R1 and R2 are selected from an alkyle, aryle, aralkyle, alkylaryl, alkoxy, saccharide and aryloxy, said group having from 1 to 24 carbon atoms. A preferred peptide is the Pal-LLAN. This tetrapeptide can stimulate the synthesis of molecules constituting the dermal extracellular matrix, in particular collagen 1 and fibrilin 1, and can be used for a cosmetic treatment, in particular anti-aging, anti-wrinkle and fine lines, to improve the skin mechanical properties, firmness/tone/elasticity/flexibility, to increase skin density and volume, for a restructuring effect and/or to fight against stretch marks, and skin sagging. The peptide is also adapted to stimulate hair growth.

Abstract: They have the general Formula X-(Xaa)nPG(Xaa)m-Z wherein Xaa is either A or V, either n=2 and m=0, or n=1 and m=1, at the N-terminal end X being selected from H, —CO—R1, —SO2—R1 or a biotinyl group, at the C-terminal end Z being selected from OH, OR1, NH2, NHR1 or NR1R2, and R1 and R2 being selected from an alkyle, aryle, aralkyle, alkylaryl, alkoxy, saccharide and aryloxy, said group having from 1 to 24 carbon atoms. Preferred peptide sequences are X-AVPG-Z and X-VPGA-Z. These tetrapeptides stimulate the synthesis of molecules constituting the dermal extracellular matrix, in particular collagen 1 and 4 and fibronectin, and can be used for a cosmetic treatment, in particular anti-aging, anti-wrinkle and fine lines, to improve the skin mechanical properties, firmness/tone/elasticity/flexibility, to increase skin density and volume, for a restructuring effect and/or to fight against stretch marks, and skin sagging.

Abstract: They have the general Formula X-(Xaa)nLE(Xaa)m-Z wherein Xaa is selected from L, K, E and D, either n=2 and m=0, or n=1 and m=1, at the N-terminal end X being selected from H, —CO—R1, —SO2-R1 or a biotinoyl group, at the C-terminal end Z being selected from OH, OR1, NH2, NHR1 or NR1R2, and R1 and R2 being selected from an alkyle, aryle, aralkyle, alkylaryl, alkoxy, saccharide and aryloxy, said group having from 1 to 24 carbon atoms. Preferred peptide sequences are X-LKLE-Z and X-ELED-Z. These tetrapeptides stimulate the synthesis of molecules constituting the ECM, in particular collagen 1 and 4, hyaluronic acid and fibronectin, and can be used for a cosmetic treatment, in particular anti-aging, anti-wrinkle and fine lines, to improve the skin mechanical properties, to increase skin density and volume, hydration, and/or to fight against stretch marks, and skin sagging.

Abstract: The peptidic compound comprises at least an aminoacid which is lysine, ornithine, diaminopropionic acid or diaminobutyric acid or a derivative of these aminoacids, on which a carboxylic acid is grafted via a peptidic bound on the nitrogen of the lateral chain, said carboxylic acid comprising a (poly)cycle or (poly)heterocycle. Preferably, the grafted carboxylic acid is an aminoacid or a derivative, in particular selected from, a proline, a hydroxyproline or pyroglutamic acid. The peptidic compound can stimulate the synthesis of the main molecules constituting the extracellular matrix of the skin, especially collagen 1 and 4 and elastin. It can be used for topical cosmetic treatment such as a global anti-aging treatment, or for specific activities, including anti-wrinkles, moisturizing, to improve the mechanical properties of the skin, firmness/tone/elasticity/flexibility, to increase density and volume of the skin, improve skin radiance, for a restructuring effect and/or to fight stretch marks.

Abstract: Provided is at least one peptide of formula (I) and its use, where formula (I) is as follows: X-(Xaa1)n-Pro*-(Xaa2)m-Y (I). In formula (I), n=0 and m=1. At the N terminal end of the peptide, X is selected from H, —CO—R1 and —SO2—R1. At the C terminal end of the peptide, Y is selected from OH, OR1, NH2, NHR1 or NR1R2, R1 and R2 being independently selected from an alkyle, aryle, aralkyle, alkylaryl, alkoxy and aryloxy group, that can be linear, branched, cyclic, poly-cyclic, non-saturated, hydroxylated, carbonylated, phosphorylated and/or sulphured, with the possibility to have in said group skeleton a O, S and/or N heteroatom. Pro* corresponds to a Proline, an analogue or derivative thereof.

Abstract: The peptide has from 3 to 10 amino acids comprising at least the sequence K*(Ac)GH or K*(Ac)HG and may further comprise an N-terminus modification, preferably an acylation, and/or a C-terminus modification; K* is selected from the group consisting of lysine, ornithine, diaminobutyric acid, diaminopropionic acid and a hydroxylated derivative thereof; K*(Ac) corresponds to a lysine, ornithine, diaminobutyric acid, diaminopropionic acid or a hydroxylated derivative thereof, acetylated on the amine of their lateral hydrocarbon chain. The two preferred peptides are Pal-K(Ac)GH and Pal-K(Ac)HG. This peptide can be used for a cosmetic treatment, in particular anti-aging, anti-wrinkle and fine lines, to improve the mechanical properties of the skin, firmness/tonicity/elasticity/flexibility, to increase the density and volume of the skin, for a restructuring, healing effect, and/or to fight stretch marks.

Abstract: The invention is directed to the use of at least one peptide of formula: X-(Xaa1)n-Pro*-(Xaa2)m-Y (I) With: -n=0, 1 or 2; -m=0 or 1 and if m=0 then n?0 -Xaa1 is: -An hydrophobic aminoacid selected from Alanine (Ala, A), Valine (Val, V), Methionine (Met, M), Leucine (Leu, L), Isoleucine (Ile, I), Phenylalanine (Phe, F), Proline (Pro, P) and analogues and derivatives thereof; -A polar aminoacid selected from Serine (Ser, S), Threonine (Thr, T), Tyrosine (Tyr, Y), Asparagine (Asn, N), Glutamine (Gln, Q) and analogues and derivatives thereof; -or Glycine (Gly, G); When n=2 the two aminoacids Xaa1 can be the same or different; -Xaa2 is: -An hydrophobic aminoacid selected from Alanine (Ala, A), Valine (Val, V), Methionine (Met, M), Leucine (Leu, L), Isoleucine (Ile, I), Phenylalanine (Phe, F), Proline (Pro, P) and analogues and derivatives thereof; -A basic aminoacid selected from Arginine (Arg, R), Lysine (Lys, K) and Histidine (His, H) and analogues and derivatives thereof; -Glycine (Gly, G) or Serine (Ser, S); -

Abstract: The peptides have the general following formula: X-Pro*-Pro*-Xaa-Y in which: •Xaa is selected from Leucine (Leu, L), Arginine (Arg, R), Lysine (Lys, K), Alanine (Ala, A), Serine (Ser, S), and Aspartic acid (Asp, D); •At the N terminal end of the peptide, X is selected from H, —CO—R1 and —SO2—R1; •At the C terminal end of the peptide, Y is selected from OH, OR1, NH2, NHR1 and NR1R2; •R1 and R2 are, independently from each other, selected from an alkyle, aryle, aralkyle, alkylaryl, alkoxy and aryloxy group, that can be linear, branched, cyclic, poly-cyclic, non-saturated, hydroxylated, carbonylated, phosphorylated and/or sulfured, and which skeletum can comprise an heteroatom, in particular an O, S and/or N atom; •Pro* correspond to a Proline, an analogue or derivative thereof; •if X is H then Y is selected from OR1, NH2, NHR1 and NR1R2, and if Y is OH then X is —CO— or —SO2—R1; and the peptide hypoxanthine-Pro-Pro-Arg being excluded.

Abstract: The invention is directed to the use of at least one peptide of formula: X-(Xaa1)n-Pro*-(Xaa2)m-Y (I) With: —n=0, 1 or 2; —m=0 or 1 and if m=0 then n?0 —Xaa1 is: —An hydrophobic aminoacid selected from Alanine (Ala, A), Valine (Val, V), Methionine (Met, M), Leucine (Leu, L), Isoleucine (Ile, I), Phenylalanine (Phe, F), Proline (Pro, P) and analogues and derivatives thereof; —A polar aminoacid selected from Serine (Ser, S), Threonine (Thr, T), Tyrosine (Tyr, Y), Asparagine (Asn, N), Glutamine (Gln, Q) and analogues and derivatives thereof; —or Glycine (Gly, G); When n=2 the two aminoacids Xaa1 can be the same or different; —Xaa2 is: —An hydrophobic aminoacid selected from Alanine (Ala, A), Valine (Val, V), Methionine (Met, M), Leucine (Leu, L), Isoleucine (Ile, I), Phenylalanine (Phe, F), Proline (Pro, P) and analogues and derivatives thereof; —A basic aminoacid selected from Arginine (Arg, R), Lysine (Lys, K) and Histidine (His, H) and analogues and derivatives thereof; —Glycine (Gly, G) or Serine (Ser, S); —

Abstract: The peptide has from 3 to 10 amino acids comprising at least the sequence K*(Ac)GH or K*(Ac)HG and may further comprise an N-terminus modification, preferably an acylation, and/or a C-terminus modification; K* is selected from the group consisting of lysine, ornithine, diaminobutyric acid, diaminopropionic acid and a hydroxylated derivative thereof; K*(Ac) corresponds to a lysine, ornithine, diaminobutyric acid, diaminopropionic acid or a hydroxylated derivative thereof, acetylated on the amine of their lateral hydrocarbon chain. The two preferred peptides are Pal-K(Ac)GH and Pal-K(Ac)HG. This peptide can be used for a cosmetic treatment, in particular anti-aging, anti-wrinkle and fine lines, to improve the mechanical properties of the skin, firmness/tonicity/elasticity/flexibility, to increase the density and volume of the skin, for a restructuring, healing effect, and/or to fight stretch marks.

Abstract: The invention is directed to the use of at least one peptide of formula: X-(Xaa1)n-Pro*-(Xaa2)m-Y (I) With: —n=0, 1 or 2; —m=0 or 1 and if m=0 then n?0 —Xaa1 is: —An hydrophobic aminoacid selected from Alanine (Ala, A), Valine (Val, V), Methionine (Met, M), Leucine (Leu, L), Isoleucine (Ile, I), Phenylalanine (Phe, F), Proline (Pro, P) and analogues and derivatives thereof; —A polar aminoacid selected from Serine (Ser, S), Threonine (Thr, T), Tyrosine (Tyr, Y), Asparagine (Asn, N), Glutamine (Gln, Q) and analogues and derivatives thereof; —or Glycine (Gly, G); When n=2 the two aminoacids Xaa1 can be the same or different; —Xaa2 is: —An hydrophobic aminoacid selected from Alanine (Ala, A), Valine (Val, V), Methionine (Met, M), Leucine (Leu, L), Isoleucine (Ile, I), Phenylalanine (Phe, F), Proline (Pro, P) and analogues and derivatives thereof; —A basic aminoacid selected from Arginine (Arg, R), Lysine (Lys, K) and Histidine (His, H) and analogues and derivatives thereof; —Glycine (Gly, G) or Serine (Ser, S); —

Abstract: The invention is directed to the use of at least one peptide of formula: X—(Xaa1)n-Pro*-(Xaa2)m-Y (I) With: —n=0, 1 or 2; —m=0 or 1 and if m=0 then n?0-Xaai is: —An hydrophobic amino acid; —A polar amino acid; —or Glycine (Gly, G); When n=2 the two amino acids Xaa1 can be the same or different; —Xaa2 is: —An hydrophobic amino acid; —A basic amino acid Glycine (Gly, G) or Serine (Ser, S); —At the N terminal end of the peptide, X is selected from H, —CO—R1 and —SO2—R1; —At the C terminal end of the peptide, Y is selected from OH, OR1, NH2, NHR1 or NR1R2, R1 and R2 being independently from each other, selected from an alkyle, aryle, aralkyle, alkylaryl, alkoxy and aryloxy group; Excluding the peptides where X=H and Y=OH, for a non therapeutical cosmetic pro-pigmenting treatment of skin.

Abstract: The peptidic compound comprises at least an aminoacid which is lysine, ornithine, diaminopropionic acid or diaminobutyric acid or a derivative of these aminoacids, on which a carboxylic acid is grafted via a peptidic bound on the nitrogen of the lateral chain, said carboxylic acid comprising a (poly)cycle or (poly)heterocycle. Preferably, the grafted carboxylic acid is an aminoacid or a derivative, in particular selected from, a proline, a hydroxyproline or pyroglutamic acid. The peptidic compound can stimulate the synthesis of the main molecules constituting the extracellular matrix of the skin, especially collagen 1 and 4 and elastin. It can be used for topical cosmetic treatment such as a global anti-aging treatment, or for specific activities, including anti-wrinkles, moisturizing, to improve the mechanical properties of the skin, firmness/tone/elasticity/flexibility, to increase density and volume of the skin, improve skin radiance, for a restructuring effect and/or to fight stretch marks.

Abstract: The peptides have the general following formula: X-Pro*-Pro*-Xaa-Y in which: —Xaa is selected from Leucine (Leu, L), Arginine (Arg, R), Lysine (Lys, K), Alanine (Ala, A), Serine (Ser, S), and Aspartic acid (Asp, D); —At the N terminal end of the peptide, X is selected from H, —CO—R1 and —SO2—R1; —At the C terminal end of the peptide, Y is selected from OH, OR1, NH2, NHR1 and NR1R2; —R1 and R2 are, independently from each other, selected from an alkyle, aryle, aralkyle, alkylaryl, alkoxy and aryloxy group, that can be linear, branched, cyclic, poly-cyclic, non-saturated, hydroxylated, carbonylated, phosphorylated and/or sulfured, and which skeletum can comprise an heteroatom, in particular an O, S and/or N atom; —Pro* correspond to a Proline, an analogue or derivative thereof; —if X is H then Y is selected from OR1, NH2, NHR1 and NR1R2, and if Y is OH then X is —CO— or —SO2—R1; and the peptide hypoxanthine-Pro-Pro-Arg being excluded.

Abstract: The invention is directed to the use of at least one peptide of formula: X-(Xaa1)n-Pro*-(Xaa2)m-Y (I) With: —n=0, 1 or 2; -m=0 or 1 and if m=0 then n?0-Xaa1 is: -An hydrophobic aminoacid selected from Alanine (Ala, A), Valine (Val, V), Methionine (Met, M), Leucine (Leu, L), Isoleucine (Ile, I), Phenylalanine (Phe, F), Proline (Pro, P) and analogues and derivatives thereof; —A polar aminoacid selected from Serine (Ser, S), Threonine (Thr, T), Tyrosine (Tyr, Y), Asparagine (Asn, N), Glutamine (Gln, Q) and analogues and derivatives thereof; —or Glycine (Gly, G); When n=2 the two aminoacids Xaa1 can be the same or different; -Xaa2 is: —An hydrophobic aminoacid selected from Alanine (Ala, A), Valine (Val, V), Methionine (Met, M), Leucine (Leu, L), Isoleucine (Ile, I), Phenylalanine (Phe, F), Proline (Pro, P) and analogues and derivatives thereof; —A basic aminoacid selected from Arginine (Arg, R), Lysine (Lys, K) and Histidine (His, H) and analogues and derivatives thereof; —Glycine (Gly, G) or Serine (Ser, S); —A

Abstract: The invention is directed to the use of at least one peptide of formula: X-(Xaa1)n-Pro*-(Xaa2)m-Y (I) With: ?n=0, or 2; ?m=0 or 1 and if m=0 then n?0?Xaa is: —An hydrophobic aminoacid; —A polar aminoacid; or —Glycine (Gly, G); When n=2 the two aminoacids Xaa1 can be the same or different; —Xaa2 is: —An hydrophobic amino acid; —A basic aminoacid; —Glycine (Gly, G) or Serine (Ser, S); —At the N terminal end of the peptide, X is selected from H, —CO—R1 and —SO2—R1; —At the C terminal end of the peptide, Y is selected from OH, OR1, NH2, NHR1 or NR1R2, —R1 and R2 being independently from each other, selected from an alkyle, aryle, aralkyle, alkylaryl, alkoxy and aryloxy group; —Pro* Excluding the peptides where X=H and Y=OH, for a non therapeutical cosmetic pro-pigmenting treatment of skin.

Abstract: The invention is directed to the use of at least one peptide of formula: X-(Xaa1)n-Pro*-(Xaa2)m-Y (I) With: —n=0, or 2; —m=0 or land if m=0 then n?0 —Xaa is: —An hydrophobic aminoacid selected from Alanine (Ala, A), Valine (Val, V), Methionine (Met, M), Leucine (Leu, L), Isoleucine (Ile, I), Phenylalanine (Phe, F), Proline (Pro, P) and analogues and derivatives thereof; —A polar aminoacid selected from Serine (Ser, S), Threonine (Thr, T), Tyrosine (Tyr, Y), Asparagine (Asn, N), Glutamine (Gln, Q) and analogues and derivatives thereof; or —Glycine (Gly, G); When n=2 the two aminoacids Xaa1 can be the same or different; —Xaa2 is: —An hydrophobic aminoacid selected from Alanine (Ala, A), Valine (Val, V), Methionine (Met, M), Leucine (Leu, L), Isoleucine (Ile, I), Phenylalanine (Phe, F), Proline (Pro, P) and analogues and derivatives thereof; —A basic aminoacid selected from Arginine (Arg, R), Lysine (Lys, K) and Histidine (His, H) and analogues and derivatives thereof; —Glycine (Gly, G) or Serine (Ser, S); —At t

Abstract: Geranylgeranyl-2-propanol compound (GGP) having the following formula I: is proposed for use according to the present invention as a cosmetic active compound for the prevention and treatment of aging of skin and its appendages. The GGP has a protective action against oxidative stress and free radical, on telomeres and on mitochondria and its activity. In particular, GGP can be used for the treatment of wrinkles, fine lines and visible discontinuities of skin, for the treatment pigmentation disorders.

Abstract: The present invention concerns a peptide of following formula I: R being a side chain having at least one heteroatom selected from sulfur, nitrogen and oxygen in a carbonyl form (C?O); R1 being either H or a lipophilic chain; R2 being either OH or a lipophilic chain. More particularly the present invention concerns a cosmetic composition comprising a peptide as recited above and a physiologically acceptable medium. Results on the activity of the compounds are obtained and on the general state of the skin and its appendages, in particular via the stimulation of extracellular matrix components.

Abstract: The compound according to the invention has the following developed formula IX: wherein: X=PO(OH)2; SO2(OH); PO(OH)(Xaa)m or SO2(Xaa)m; A=H; OH; NH2 or akyl (1-6C); n=1 to 4; Y=—CO—OR2; —CO—NR3R4; —O—CO—R2; —C?CR2; R2=an alkyl, aryl, aralkyl, acyl, sulfonyl, sugar or alkoxy chain of 1 to 24 carbon atoms, linear, branched or cyclic, with or without substitutions, saturated or not, hydroxylated or not, sulfurated or not; R5=OH, O-alk (1-6C), (Xaa)m, NH2 or NH-alkyl(1-6C); Xaa=peptide of m aminoacids Xaa with m from 1 to 10; The compound is preferably phosphated, obtained from malic acid and having the following developed formula: A cosmetic composition comprising the compound of the present invention can improve the general condition of the skin, for example hydration, lightening and mechanical properties.