There are many options for over-the-counter hair color products that can cover gray hair. Here are some of the best options based on expert reviews and recommendations:

• Clairol Nice n Easy: This product was found to be the best pick for light hair and has a gentler, more conditioning formula.
• LOréal Paris Excellence Creme: This product was recommended by several experts for its high quality and range of options.
• Clairol Natural Instincts: This semi-permanent hair color was selected by Consumer Reports, Good Housekeeping, and the Today Show as being the best all-around at-home hair color for gray coverage.

When choosing a hair color product, its important to consider factors such as the desired permanency of the color, the level of gray coverage needed, and the condition of the hair. Its also a good idea to choose a product that includes color-protecting shampoo, conditioner, or a deep-conditioning treatment to enhance the result. Additionally, its essential to protect the hair from damage by using a low-ammonia or ammonia-free hair color, especially for curly and dry hair.