On World Kindness Day, we speak to the young people turning to charity shops and resale sites for a fashion fix that’s kinder to the planet Ninety-five per cent of Lottie Allen’s wardrobe is pre-loved. “It’s like a dressing up box,” says the 19-year-old pink-haired fashion student, who describes herself as obsessed with vintage clothes. One of Allen’s all-time favourites is an Alice-in-Wonderland-style dress which cost £5 and is a staple she wears regularly. From Brighton’s kilo markets and charity…