Louis Theroux has provided an update on his health after experiencing hair loss due to alopecia over the last five years. The 55-year-old documentary maker said viewers might have noticed his “weird” and “patchy” hair while watching his recent Netflix film, Inside the Manosphere.
Theroux revealed that his hair was at its “lowest ebb” during the production of the documentary. However, in a new Instagram video, he expressed satisfaction that his hair has been growing back, despite not taking medication, altering his diet, or reducing stress.
“A year ago, almost to the week, I posted about my alopecia,” Theroux said. “Starting in 2021 my beard started falling out, then my eyebrows, then patches appeared in my hair. So here we are five years later, and after hitting bottom in 2025 me and my scalp have been enjoying some bounce-back!”
Alopecia is a general term for hair loss with various causes, including autoimmune conditions, vitamin deficiencies, stress, cancer treatment, and psychological issues, according to Alopecia UK. Theroux’s condition began in 2021 and worsened over time.
The update comes amid reports that Netflix is keen to sign a major deal with Theroux following the success of Inside the Manosphere. The documentary, released on March 11, attracted four million UK viewers in its first week and topped the film category. It featured controversial figures such as Myron Gaines and HSTikkyTokky, who expressed extreme views.
