It’s 2008. I’m ten years old. I have a henna cone in my hand and I’m not afraid to use it. I squeeze unrecognisable flowers onto the women, and I paint wonky footballs and messy rockets onto the boys.

Which henna tattoo kits are best? For over 4,000 years, people have been decorating their skin with a paste made from dried henna leaves. Known as mehndi in India, henna tattooing produces intricate, ...