Scientists examined a fragrance ingredient called propenylguaethol to see if it’s safe for use in skincare and perfume products. They tested it for various potential harms, including genetic damage, toxicity from repeated exposure, reproductive problems, breathing issues, and whether it causes skin irritation or allergic reactions when exposed to sunlight. Using data from a similar ingredient and their own testing, researchers found no evidence the substance damages genes. When compared to safe exposure levels, the ingredient showed a comfortable safety margin for both repeated use and reproductive concerns. They determined that at typical concentrations, it’s unlikely to trigger skin sensitization.
Testing with ultraviolet light showed it wouldn’t cause irritation or allergic reactions from sun exposure. The ingredient’s levels in the air from normal use fall well below concerning thresholds. Environmentally, the substance doesn’t accumulate in nature or persist in the environment at current usage amounts across major regions, meeting established safety standards. (Source: Food Chem Toxicol, via PubMed.)
Source: PubMed — read the full article