Hair care agent and application thereof

The invention discloses a hair care agent and belongs to the field of cosmetics. The hair care agent is prepared from raw materials in parts by weight as follows: 0.1-0.3 parts of crosslinking polyglutamic acid, 0.05-2.0 parts of Pulullan, 0.02-1.0 part of hyaluronic acid, 0.03-0.5 parts of a fresh ginger extract, 0.03-0.5 parts of an anti-dandruff agent, 0.2-0.6 parts of a preservative and the balance of deionized water. The hair care agent can repair damaged hair, has hairdressing and styling effects and further can relieve alopecia, remove anti-dandruff and stop itch; during usage, the water washing step is omitted, and the application is convenient.