Abstract: A composition for enhancing protein strength according to the present invention contains an aminosilane compound capable of covalent binding with a protein of hair, scalp, skin, nails, leather, or textile, so that the protein and the amino silane compound form a covalent bond, and thus the composition can improve the protein strength enhancement effect and maximize the semi-permanent protein strength enhancement effect.

Abstract: Disclosed is an image photographing device. Particularly, this invention intends to provide the image photographing device having a lower board spring that is easily manufactured and assembled by forming a terminal part on a supporting portion. In order to accomplish the above objects, the present invention comprises a lower board spring for supporting a lens holder by connecting with a fixed part, wherein the lens holder has a lens and is driven in the direction of an optical axis; a supporting part disposed on the lower portion of the lower board spring; and a terminal part for supplying electric power, wherein the terminal part is formed on the supporting part, and the shape of the lower board spring is a flat board-shape, and the terminal part is contacted to the lower board spring.