Reynolds named newest face of L'Oreal

US actor Ryan Reynolds has been signed as the new face of L'Oreal's Men Expert cosmetics range.

US actor Ryan Reynolds has been signed as the new face of L'Oreal's Men Expert cosmetics range. (AAP)

Actor Ryan Reynolds has joined his wife Blake Lively as one of the new faces of cosmetic brand L'Oreal Paris.

Lively will front the ad campaigns for L'Oreal's Men Expert range.

"I feel honored and excited to join Men Expert, a brand that represents the essence of modernity, edginess and technology."

Lively was named a spokesperson for the French brand in 2013.

Reynolds, star of the film Green Lantern, is also the face of Hugo Boss' mens fragrance Boss.