Korean: α-터피넨 · CAS 99-86-5 · Functions: perfuming
Prohibited only in certain forms or uses MFDS prohibited ingredients
Conditions (official MFDS text, Korean):
과산화물가가 10mmol/L을 초과하는 경우에 한하여 금지
Source: MFDS — cosmetic ingredient use restrictions · checked Oct 17, 2026
Restricted Annex III/131
Conditions: The presence of the substance shall be indicated in the list of ingredients referred to in Article 19(1), point (g), when its concentration exceeds: — 0,001 % in leave-on products — 0,01 % in rinse-off products. The peroxide value shall be less than 10 mmoles/L (This limit applies to the substance and not to the finished cosmetic product).
Source: EU CosIng — Annex III · checked Oct 17, 2026
No specific rule on file. The FDA regulates few cosmetic ingredients by name; no rule does not mean approval.
ALPHA-TERPINENE α-터피넨
Information only, not medical advice. Rules change — always check the linked official source. If you are pregnant, have a skin condition or allergies, ask a dermatologist or pharmacist.
In the EU's CosIng records it is listed as “Restricted” (EU CosIng — Annex III). A restricted ingredient is allowed within the stated conditions.
In Korea's MFDS records it is listed as “Prohibited only in certain forms or uses” (MFDS — cosmetic ingredient use restrictions). It is not a general ban; see the condition on the ingredient page.
We found no specific rule for it in the FDA's records. That is not an approval or a safety statement.
The EU's CosIng inventory lists its functions as: perfuming.
Korea's MFDS standard Korean name is α-터피넨.
1 products we checked list it, for example Mary&May Spicule Azelaic PDRN Spot Cream.
CAS 99-86-5 (from official records).