D.W. Griffith's 1915 film The Birth of a Nation was the first film to use makeup extensively, and it helped to establish the conventions of makeup in cinema.

Max Factor, a Polish immigrant, is credited with being the first makeup artist in Hollywood. He began his career in the early 1900s, and his work on films such as The Birth of a Nation and Gone with the Wind helped to establish the conventions of makeup in cinema.

The flapper look, characterized by short hair, dark eye makeup, and a red lip, was the most popular makeup trend of the 1920s. It was inspired by the flappers, a generation of young women who rejected traditional values and embraced a more modern, independent lifestyle.

Victor Fleming's 1939 film Gone with the Wind was the first film to use hairstyling extensively, and it helped to establish the conventions of hairstyling in cinema.

Sydney Guilaroff, a Russian immigrant, is credited with being the first hairstylist in Hollywood. He began his career in the early 1920s, and his work on films such as Gone with the Wind and The Wizard of Oz helped to establish the conventions of hairstyling in cinema.

The victory roll, a hairstyle characterized by a roll of hair on the top of the head, was the most popular hairstyle trend of the 1940s. It was inspired by the women who worked in factories during World War II, and it became a symbol of female empowerment.

Howard Hawks' 1953 film Gentlemen Prefer Blondes was the first film to use makeup and hairstyling extensively to create a glamorous and iconic look for its stars, Marilyn Monroe and Jane Russell. The film's success helped to establish the conventions of makeup and hairstyling in the 1950s.

Dick Page, a British makeup artist, is considered to be the most influential makeup artist of the 1960s. He was known for his innovative and creative approach to makeup, and his work on films such as A Clockwork Orange and 2001: A Space Odyssey helped to define the look of the decade.

The shag, a hairstyle characterized by layers and texture, was the most popular hairstyle trend of the 1970s. It was inspired by the rock and roll culture of the decade, and it became a symbol of rebellion and individuality.

Adrian Lyne's 1983 film Flashdance was the first film to use makeup and hairstyling extensively to create a flashy and glamorous look for its star, Jennifer Beals. The film's success helped to establish the conventions of makeup and hairstyling in the 1980s.

Kevyn Aucoin, an American makeup artist, is considered to be the most influential makeup artist of the 1990s. He was known for his ability to create natural and flawless looks, and his work on celebrities such as Madonna and Cindy Crawford helped to define the look of the decade.

The Rachel, a hairstyle characterized by layers and a side-swept bang, was the most popular hairstyle trend of the 2000s. It was inspired by the character Rachel Green on the popular television show Friends, and it became a symbol of the decade's fashion and beauty trends.

Darren Aronofsky's 2010 film Black Swan was the first film to use makeup and hairstyling extensively to create a dark and surreal look for its star, Natalie Portman. The film's success helped to establish the conventions of makeup and hairstyling in the 2010s.

Pat McGrath, a British makeup artist, is considered to be the most influential makeup artist of the 2020s. She is known for her innovative and creative approach to makeup, and her work on celebrities such as Rihanna and Kim Kardashian has helped to define the look of the decade.

The lob, a hairstyle characterized by a length that falls between the chin and the shoulders, is the most popular hairstyle trend of the 2020s. It is a versatile and flattering hairstyle that can be worn by people of all ages and face shapes.