CPT will be closed on Friday, July 3, 2026, in observance of Independence Day.
CPT℠ is a family owned contract testing laboratory in Fairfield, NJ. We’re a worldwide leader in contract laboratory testing, serving the cosmetic, personal care, pharmaceutical, medical device and specialty chemicals industries.
The testing services offered to these companies include analytical & pharmaceutical chemistry, clinical safety, claims validation, photobiology, microbiology and in vitro toxicology.
Please note, we do not test products for individual consumers.