Abstract: A compound of formula (1) R1—Wm—Xn-AA1-AA2-AA3-AA4-AA5-AA6-AA7-AA8-AA9-Yp—Zq—R2, wherein AA1 is Phe; AA2 is Trp; AA3 is selected from Met, Leu and lie; AA4 is selected from Lys, Arg and Gln; AA5 is Arg; AA6 is Lys; AA7 is selected from Arg, Lys and His; AA8 is selected from Val, Ile, Leu and Met; and AA9 is Pro. The compound is useful in the treatment and/or care of the skin, hair, nails and/or mucous membranes, in particular for improving the barrier function of the skin, for energizing the skin and as an anti-aging agent.

Abstract: The invention relates to a compound of formula (I) R1 — Wm—Xn— AA1— A A2— A A3— AA4— A A5— AA6—Yp—Zq—R2, a stereoisomer and/or cosmetically acceptable salt thereof wherein: AA1 is Arg, Lys or no amino acid; AA2 is Arg or Lys; AA3 is Gln, Glu, Asn or Asp; AA4 is Met or Leu; AA5 is Glu, Asp or Gin; AA6 is Glu, Asp, Gin or no amino acid; and AA1 is different from AA6. The compounds are useful for the treatment and/or prevention of the symptoms of skin aging and, in particular, for the treatment and/or prevention of skin wrinkles, the treatment and/or prevention of a sagging appearance of the skin, and/or the reduction and/or prevention of facial asymmetry.

Abstract: A compound of formula (I) R1-Wm-Xn-AA1-AA2-AA3-AA4-AA5-AA6-Yp-Zq-R2, a stereoisomer and/or cosmetically acceptable salt thereof, and a method of treatment using the compound are described. In the compound, AA1 is Asp, Gly, Asn, Gln, Ala or no amino acid; AA2 is Val, Ile, Leu or Ala; AA3 is Tyr, Phe, Trp, Lys, Arg or His; AA4 is Lys, Arg, His, Pro or Val; AA5 is Asn, Asp, Gln or no amino acid; AA6 is Thr, Ala, Ser or no amino acid. The compounds are useful for the treatment of the symptoms of skin aging and, in particular, for the treatment of skin wrinkles, the treatment of a sagging appearance of the skin, and/or the reduction of facial asymmetry.