Choose a toner that matches your hair color and desired result
Shampoo hair first if the toner instructions require clean hair
Towel-dry hair until damp, unless using a toner meant for dry hair
Put on gloves
Mix toner with developer if the product requires it
Section hair into manageable parts
Apply toner evenly from roots to ends
Saturate all areas thoroughly
Process for the time listed on the product instructions
Check hair periodically to avoid over-toning
Rinse hair with cool or lukewarm water
Use a color-safe conditioner or toner-specific aftercare product
Dry and style hair as usual
Repeat only when needed to maintain the tone