OH DAISEY INGREDIENT LIBRARY
Formaldehyde
Classified as carcinogenic to humans (IARC Group 1). Strong skin sensitizer and respiratory irritant. Rarely added directly today but may be released by certain preservatives.
OH DAISEY VERDICT
Avoid
Evidence level: Strong
Why Oh Daisey rates it this way
Classified as carcinogenic to humans (IARC Group 1). Strong skin sensitizer and respiratory irritant. Rarely added directly today but may be released by certain preservatives.
What it does
Prevents microbial growth
How to read this rating
This rating reflects the Oh Daisey ingredient standard and the evidence currently available for cosmetic use. Product safety can also depend on concentration, exposure route, formulation, manufacturing quality, and individual sensitivity.
Sources
- 1 IARC, NTP, FDA, SCCS, PubMed