Oscar-winning actors Marion Cotillard and Juliette Binoche, as well as other French screen and music stars, filmed themselves chopping off locks of their hair in a video posted Wednesday in support of protesters in Iran.

No stranger to playing a role in a film that explores the theme of physical abuse, referencing her role in “Namaste Wahala”, Ini Dima-Okojie found Sarah to be a demanding character. To successfully portray Sarah, she recollects putting herself in physically abused victims’ shoes, which meant doing a lot of research and occasionally reaching out to women who have had the experience.

With a smile that could make anyone swoon and bright blonde low-cut hair that captures the hearts of many, Nancy Isime provides an insight into what it was like to embody TV’s next favourite character, Kemi.

London has long been known for its world-renowned hair stylists, and the industry is now innovating on another front: recycling. A group of environmentally aware hairdressers and barbers are encouraging salons across the UK to recycle their waste, from plastic and metal packaging, to hair itself which can be used for composting, to make energy or even to clear oil spills.

Miss Rizos hair salon is ground zero for the Caribbean's natural hair movement. Here, Dominicans embrace their curls and redefine beauty standards in a society that has until now insisted that kinky hair is bad hair.