L’Oreal, the French cosmetics giant, has announced the signing of a definitive agreement to acquire US firm IT Cosmetics for $1.2 billion in what is the firm’s largest acquisition in eight years. According to L’Oreal, IT Cosmetics is one of the fastest growing prestige beauty brands in the United States, offering more than 300 high-performance beauty products focusing on colour cosmetics, skincare, brushes and tools, and had net sales of …