All you need to know about permanent hair color.

• How does hair dyeing work?

  Permanent hair dye lifts and penetrates the hair’s cuticles, entering the internal cortex to create a bond. Demi-permanent formulas coat the exterior of each strand with colored pigments, fading and washing away over time. That’s why it doesn’t wash away like demi-permanent dye, but it will still grow out over time. 

• What are some hair color tips?

  Some of the top hair color tips: Prepare your hair in advance to keep it nourished and hydrated. Choose dyes that are safe. Wash your hair less frequently and with color-safe shampoos. Try to avoid excessive heat styling. Use color-safe products that both avoid damaging your color and help nourish your hair.

• What is the best color to dye hair to cover grey?

  Some of the best colors to for full grey hair coverage include: brilliant brown, ash brown, or cool blonde. For a grey blending approach, talk to your stylist about French Blending™.

• How to maintain my hair color?

  Always use color safe products to keep for a longer time the color result you loved. Choose a product range that works for all hair types, like Metal Detox by L’Oréal Professionnel.