Have stray grays to cover but not ready for allover color? Dredge a comb through an at-home dye formula that matches your natural shade, then apply it to the silvery strands. Allow it to process for the time specified in the directions, then rinse, says Jacob Schmidt, a colorist at the Serge Normant at John Frieda salon, in New York City. Crisis averted.
See more smart beauty hacks.