For any parent with a primary school child, getting nits is a reality. But, says mum of two Charlotte Cripps , we’re being sucked dry not only by the nits but the corporate bloodsuckers who get us to buy more than a £5 nit comb W henever I drop into a local pharmacy in Notting Hill , the staff look at me with huge sympathy. “Not again?” Yes, nits are doing the rounds again at my children’s primary school . I’m spending around £60 every other month on de-nit treatments – sometimes more – because