Question: what is the best hair color product to cover gray?
Answer: L'Oreal Paris Excellence Creme. L'Oreal Paris Excellence Creme. ... 
Schwarzkopf Color Expert Omegaplex Hair Dye. Schwarzkopf Color Expert Omegaplex Hair Dye. ... 
Christophe Robin Temporary Color Gel. ... 
Rootz Instant Grey Cover Up Concealer. ... 
Clairol Natural Instincts Semi-Perm Hair Dye. ... 
eSalon Made For You Custom Hair Colour.