The ‘girl with cool hairstyle’ design embraces a vibrant and bold aesthetic, showcasing a mix of bright color schemes. Furnishing and accents often draw inspiration from hairdressing elements, using materials like faux hair fabrics and textural threads. Key styling tips include using accessories such as hairpins, combs and hair-dryers as décor items. Remember, the goal is to create a space that captures the essence of a modern, stylish and cool-haired girl. This fun, edgy interior design concept not only reflects personality but also serves as a great conversation starter!