"Razorblade Romance" received mostly positive reviews from critics. Borivoj Krgin of Blabbermouth.net gave the album ten out of ten, and called it "yet another amazingly crafted album from Europe's best-kept secret". He described the material as being the strongest he'd heard in years, singling out Valo's songwriting ability to blend "goth metal influences with mindlessly catchy pop melodies" as a "virtually unbeatable combination". Krgin also felt that the album's appeal would extend to a "much wider cross-section of the rock world" than many of the band's peers. Taavi Lindfors of Imperiumi.net called "Razorblade Romance" one of the milestones of Finnish heavy music, and awarded it a nine-plus out of ten. He singled out the songwriting and Valo's vocal delivery as particular highlights, and felt that nearly every song on the album had "the potential to be a hit".