What a 2/5 rating means
On the comedogenic scale, a 2 is still within the non-comedogenic range that dermatologists generally consider low-risk. That places Tocopherol (Vitamin E) in the range most people, including many with acne-prone skin, tolerate well.
One thing the number cannot tell you is concentration. Ingredients are listed in descending order, so Tocopherol (Vitamin E) near the end of a label is present in tiny amounts and matters far less than the same ingredient near the top.
About Tocopherol (Vitamin E)
It is an antioxidant added to protect the formula and the skin. Vitamin E, a common antioxidant rated 2/5. Widely used at low levels where its clogging impact is minimal.
On a label it can read as Tocopherol, Vitamin E, Vitamin E Oil, D-Alpha Tocopherol — worth knowing when you scan an ingredient deck.
Tocopherol (Vitamin E) in makeup and skincare
It rounds out serums, moisturisers, and some long-wear makeup. Its irritancy is rated separately at 2/5, which is low.