- What it can be used for
- Adds flavor, conditions skin and protects skin (the functions the EU ingredient database, CosIng, lists for it; a product may use it for any of them)
- CAS number
- 123-35-3
Why it’s flagged
Classified as a possible or suspected human carcinogen.
- IARC Group 2B (possibly carcinogenic to humans). Source: IARC Monographs list of classifications
IARC Group 2B means possibly carcinogenic to humans. EU Carc. 2 means suspected human carcinogen. These describe a hazard, not the risk at the amount in one product.
What the research says
- Pine-scent chemicals were also common in Korean household products: alpha-pinene from 19% and beta-myrcene from 12%. Weak evidence. Kwon 2007
Each finding shows its evidence grade. See every graded fact or how we grade.
What this page can’t tell you
These lists describe what a substance can do, its hazard. The risk from one product depends on how much is in it and how you use it, and the label doesn’t say how much.
Not being on a list doesn’t make an ingredient safe. It may never have been assessed.
Check your products
Check a whole labelProducts that list itEWG Skin DeepShop fragrance-free
“Products that list it” opens Open Beauty Facts, a free database anyone can edit.
Flagged the same way
Official lists checked September 2026. Spotted a mistake? Tell us.