Abstract: The first agent for hair modification is appliable on hair in a reduction step for a hair modification treatment method including a reduction step; and a heating step of bringing the hair obtainable after the reduction step into contact with a heating element set at a temperature of 70° C. or higher, the first agent including a reducing agent and N-acetylglucosamine. The hair modification treatment method includes a reduction step of applying, on hair, a first agent for hair modification including a reducing agent and N-acetylglucosamine; and a heating step of bringing the hair obtainable after the reduction step into contact with a heating element set at a temperature of 70° C. or higher.

Abstract: A hair styling iron A is provided comprising: a body 1 which includes a grip portion 4, a plate portion 6 including a heater H and a plate 8, and a fulcrum portion 5; and a sandwiching member 2 which includes a lever portion 15 opposed to said grip portion 4, a plate portion 17 equipped with a heater H and a plate 18 and opposed to the plate portion 6 of the body 1, and a fulcrum portion 16 located between the lever portion 15 and the plate portion 17 and pivotally supported by the fulcrum portion 16 of the body 1. Between the rearward portions of the fulcrum portions of the body 1 and the sandwiching member 2 is interposed a spring 12 which biases the plate portions 6 and 17 normally in the direction away from each other. Each of the plate portions 6 and 17 is provided with ridges 14 along the perimeter, and has been subjected to a flocking treatment from its perimeter to the outer surface.