The film is divisive; the fragrance less so. Tuesday afternoon, my mum drops by to see the grandkids. She likes the scent, too. She says that it has pleasant notes. The six-year-old, meanwhile, can barely leave it alone. He demands that I spray the air by his head so that he can jump back and forth through the mist, just as he does with the sprinkler in the park. He reeks of Persona, but is that such a bad thing? It’s herby, it’s lavender. It smells like the sea.

— Read more in ‘My son reeks of Persona’: a week with a scent inspired by Ingmar Bergman’s most challenging film at The Guardian.