maintains color vibrancy and fiber strength. stabilizes and rebalances hair structures following a coloring treatment. Alter Ego Color Care Leave-in Protector: Guards against chemical and environmental causes of color fading. prevents the loss of moisture. maintains color vibrancy and fiber strength. gets hair ready for color treatments. Apply a color stabilizer spray. stabilizes and rebalances hair structures following a coloring treatment. closes cuticle scales and locks the pigments deep within the hair structure, preventing color fading and extending color life.