Review Of How To Keep Hair Dye In Longer 2023. Here are our top eight tips for. Permanent hair dye lightens the hair and deposits color.

Web touching up gray roots if you’re touching up gray or white roots, you should let the color sit on your hair for 45 minutes. Hard water strips your hair's color and natural oils; Apply a little deep conditioner to your locks before you dive in to protect and moisturize the hair.