Narre Warren Police are investigating following a theft from a chemist in Narre Warren earlier this month.
Investigators have been told a woman attended at a pharmacy on level one at the Magid Drive shopping centre about 7.45pm on 19 June.
The woman selected a tanning device valued at $150 before leaving the store without paying.
Investigators have released images of a woman who they believe can assist with their enquiries.
The woman is perceived to be Caucasian in appearance, aged in her 30s with blonde hair.
She was wearing a black jacket, light coloured jeans and carrying a large black bag.
Anyone who recognises the woman or has any information is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report online at www.crimestoppervic.com.au.