Re-act

{{Refimprove|date=September 2014}}

{{Infobox song

| name = Re-act

| cover = Re-ACT album cover.jpg

| alt =

| type = single

| artist = Olivia

| album = Synchronicity

| released = May 12, 1999

| recorded =

| studio =

| venue =

| genre = Pop rock

| length =

| label = Avex Trax

| writer = T2ya

| producer =

| prev_title = I.L.Y. (Yokubō)

| prev_year = 1999

| next_title = Dear Angel

| next_year = 1999

}}

"Re-act" is Olivia's second solo single released on May 12, 1999. It was used in commercials for Kanebo Cosmetics' Kate range, which featured Olivia as a spokesperson. The music video was shot on April 17, 1999.{{cite web | url=http://www.avexnet.or.jp/olivia/repo/pv_2/index.htm | title=PV Report re-ACT |publisher=Avex Trax | language=Japanese |year=1999 | accessdate=February 4, 2014 |archiveurl=https://web.archive.org/web/20010209084000/http://www.avexnet.or.jp/olivia/repo/pv_2/index.htm |archivedate=February 9, 2001}}