- Comedogenic
- 4 / 5
- Irritancy
- 0 / 5
- Fungal acne
- Trigger
- Type
- Synthetic ester
- INCI name
- Isostearyl Isostearate
- Also listed as
- Isis
Who should avoid it?
Avoid in leave-on face products if you have oily, combination or acne-prone skin. It is usually fine on the body, in rinse-off products, or on very dry skin that does not break out.
Non-comedogenic swaps
| Swap to | Rating | Fungal acne |
|---|---|---|
| Squalane | 0/5 | Safe |
Fungal-acne safe ingredients list
Frequently asked questions
Is Isostearyl Isostearate comedogenic?
Yes, it is pore-clogging. Isostearyl Isostearate has a comedogenic rating of 4 out of 5. A rich, cushiony emollient used in lipsticks and creams.
Is Isostearyl Isostearate safe for fungal acne?
No. Isostearyl Isostearate can feed Malassezia yeast, so people with fungal acne usually avoid it.
Does Isostearyl Isostearate cause acne?
It can. Ingredients rated 3–5 are frequently linked to clogged pores and breakouts in acne-prone people, especially in leave-on products.
What are other names for Isostearyl Isostearate?
On labels it can also appear as Isis.