Forever Knight.S1E19.If Looks Could Kill

Forever Knight is a 1992 - 1996 Canadian television series about Nick Knight (Geraint Wyn Davies), an 800-year-old vampire working as a police detective in modern-day Toronto, Ontario. Wracked with guilt for centuries of killing others, he seeks redemption by working as a homicide detective on the night shift while struggling to find a way to become human again.
S1E19 - If Looks Could Kill
When a new beauty product causes seemingly normal women to kill, Nick investigates a health spa and its new line of products.

Aka. Wenn Blicke toeten (When Looks Kill)
To Die For

Guest Starring:
Jennifer Dale
Terri Hawkes

Cast:
Allison Hossack
Kymberly Huffman
Sharolyn Sparrow
Mark Kehr
Bill Vibert
Gwen Park
David Spooner
Debra Winter
Shanya Vaughan
Deni Delory
Chuck Roe
Desmond Campbell
Louis Taylor

Written by Naomi Janzen
Directed by Michael Levine