The invention concerns the use of peptides of general sequence X-Thr-Thr-Lys-Y, wherein in particular Xlysine and Yserine, in cosmetic or dermopharmaceutical compositions. The subset can include one or more particular requested glyphs. An edge detection device is provided which comprises at least one edge illumination unit having an illumination area, within which an object edge located in the respective object edge area has light directed onto it from the side of the carrier. The wireless connection units replicate each others databases. Stripping may include translation of the fiber or the heater or portions thereof. The portable cooler tray device includes a first tray section; and also includes a second tray section being connected to the first tray section and also being extendable and retractable relative to the first tray section; and further includes a seal for making the first and second tray sections leak-proof.