If you color your hair, use Shine Happy three to four weeks after your latest color treatment. If you don't color your hair, use Shine Happy once a month. Not recommended for gray hair.

Read the full instructions before starting, including the special cautions.

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Call 1-800-CLAIROL (1-800-252-4765) Monday through Friday from 8:30am to 8:30pm EST and Saturday, 9am to 6pm EST.