Gray hair can be a source of frustration for many individuals, as it often symbolizes aging and can impact self-esteem. As we age, our hair naturally loses its pigment, leading to the appearance of gray or white strands. While some embrace their gray hair, others seek solutions to cover it up, wanting to maintain a youthful appearance. The hair coloring industry has evolved significantly, offering a variety of products designed to address this issue. Among these products, coloring shampoos have gained popularity due to their convenience and ease of use. Coloring shampoos provide a unique approach to hair dyeing; they allow users to cleanse their hair while simultaneously depositing color.…