Three singles were released from the album: "Ven Conmigo (Solamente Tú)", "Pero Me Acuerdo de Ti" and "Falsas Esperanzas".

[7] He co-wrote the songs "Si No Te Hubiera Conocido", "Cuando No es Contigo", and "El Beso Del Final".

Aguilera covers Perez's song "Pero Me Acuerdo de Ti", which was originally performed by Puerto Rican singer Lourdes Robles on her album Definitivamente (1991).

[10] Additionally, Aguilera made a duet with Puerto Rican singer Luis Fonsi on the ballad "Si No Te Hubiera Conocido".

"Falsas Esperanzas" is another uptempo song in the album which features Cuban musician Paquito Hechevarria performing the piano.

While he enjoyed Aguilera's vocal performance, which he described as " precisely, gracefully, forcefully ", he criticized the literal Spanish translation of the lyrics from English, which he said made a "good laugh and a better yawn".

[10] David Browne of Entertainment Weekly, who gave the album a C rating, wrote the review in a parody memo from Aguilera's point of view.

[13] Mike Magnuson of HOB.com wrote a critical review of the album admonishing the photos in the record for attempting to make Aguilera look Latino which he insisted was a bad influence for the younger audience.

Though he mentions that "you can count on her agreeable voice" and lauded the use of Latin percussion and horns, he asserted that the record was "purely a marketing scam gone too far.

"[19] Parry Gettelman from Orlando Sentinel stated that "Mi Reflejo lacks emotional depth, and her decision to record in Spanish seems more a bid to conquer new chart territory than anything else".

[11] Sonicnet called its production "superslick" and compared Aguilera's vocals to that of Mariah Carey, completing that the album "almost guarantees that the diminutive diva will expand her colonial powers south of the border.

[14] Kurt B. Reighley from Wall of Sound wrote that the album is "an impressive addition to young Christina's limited canon".

[28] The lead single of album was "Ven Conmigo (Solamente Tú)", the Spanish version of "Come On Over Baby (All I Want Is You)", which was released on August 8, 2000, to Latin radio stations.

[3] New York Daily News writer Muri Assuncão noted that after the release of the album, Aguilera went on to use "her Latin charm and sultry persona — not to mention her jaw-dropping four-octave vocal range — to become one of pop music's most beloved icons".

[44] In the 2021 article for POPline, it was noted that Mi Reflejo introduced Aguilera to the general public as a "fearless" and "versatile" artist, and also "played a pivotal role in the expansion of Spanish-language music within today's American pop scene.

[48] It spent nineteen weeks on top of the chart until was it replaced by Vicente Fernández for his greatest hits album Historia de un Idolo, Vol.

[52] On September 10, 2001, the album was certified 6× Platinum in the Latin field for shipping 600,000 copies by the Recording Industry Association of America (RIAA).