Dutch blogger Nagin Mirsalehi and her baby boy

She added that her mother always taught her to be gentle with her hair, so only washes it two to three times a week. This, she says, helps it to retain its ‘natural moisture balance’.  ‘To further help keep my hair nourished and moisturised at all times, I apply [the oil] post-wash to lock in moisture. I keep our mini in my purse so that I can reapply throughout the day to tame frizz, smooth fly-aways and enhance shine,’ she added.