Number 4 is a luxury hair care brand that specializes in creating high-quality products for all hair types. Their products are designed to nourish and protect the hair, while also providing a luxurious experience. They offer a wide range of shampoos, conditioners, styling products, and treatments that are free of sulfates, parabens, and other harsh chemicals. Number 4 also offers professional salon services such as haircuts, color services, and styling. Their mission is to provide customers with the best possible experience when it comes to their hair care needs.