Introduction period, growth period, maturity period, and decline period. According to information from the official website of the White Rabbit toffee brand, the life cycle in 2022 is the introduction period, growth period, maturity period, and decline period. White Rabbit Milk Candy is a milk candy produced by Shanghai Guanshengyuan. It has been popular with people all over the world since it was launched in 1959. The trademark is a jumping white rabbit, and the image is deeply rooted in the hearts of the people.