How Hair is Colored: Ammonia & Ammonia FreeWritten by Surface TeamJul 16, 2019Read time 5 mincentralShareDiscover how hair is colored through the process of lightening and depositing hair color.Related ReadingView AllSurfaceHow-To: Cutting a Full Fringe and Styling a Bouncy BlowoutSurfaceHow To Promote a Healthy Scalp in 5 StepsSurfaceHow-To: Create Gigi Hadid Glamour WavesSurfaceGet The Look: Crown JewelsSurfaceColor Bonding Without CompromiseSurfaceHow To Keep Textured Hair Frizz FreeRelated tagsLightener