Characteristics
- INCI
- Palmitic Acid
- CAS
-
57-10-3
This is the substance number in the Chemical Abstracts Service registry. The CAS number uniquely identifies a substance regardless of language, trade name, or synonyms.
- EC
-
200-312-9
This is the substance number in the European chemical identification system (EC number), used in European regulatory databases including ECHA/CosIng.
- IUPAC
- Hexadecanoic Acid
- Functions
- emollient, emulsifying
- Irritancy
-
0 / 5
Irritation potential: 0–5, where 5 is the highest irritation rating for the ingredient.
More detail → - Comedogen.
-
2 / 5
Comedogenicity index: 0–5. A non-comedogenic ingredient (0–1) is unlikely to cause cosmetic acne.
More detail →
Who it's for
Description
If your skin barrier had a favorite fatty acid, palmitic acid would be a very strong contender. It’s a naturally occurring saturated fatty acid with the formula C16H32O2, a molecular weight of about 256.42, and a straight 16-carbon chain structure that makes it a useful building block in all sorts of cosmetic formulas. You’ll find it in skin lipids, plant oils, animal fats, and especially in palm oil, which is why that name keeps popping up. In its pure form it’s a waxy solid, and in skincare it shows up in ingredients like palmitic acid monoethanolamide and other derivatives used for cleansing, texture, and slip.
So, what does it actually do for your skin? Mostly the practical stuff. Palmitic acid benefits for skin come from its emollient and structuring abilities: it can help make products feel richer, smoother, and less squeaky-dry. In cleansers, it can help build foam and improve the wash feel; in creams, it can contribute to a softer, more cushiony finish. That doesn’t mean it’s a miracle hydrator on its own, but in a well-made formula it can help support the skin barrier and make products more comfortable to use. If you’re wondering whether palmitic acid is good for skin, the short answer is yes, usually in the context of a balanced formula rather than as a solo superstar.
What about the internet’s favorite drama question: is palmitic acid bad for skin? For most people, no. It’s generally considered safe and widely used. Its comedogenic rating is often listed around 2 on the classic 0–5 scale, which means it has a moderate chance of clogging pores for some acne-prone skins, but that’s very dependent on concentration and the rest of the formula. On the flip side, that same fatty-acid character is exactly why it’s useful in barrier-supporting products. And if you’ve also seen people asking about the “benefits of palmitoleic acid,” that’s a different fatty acid altogether: palmitoleic acid is unsaturated, while palmitic acid is not. They’re cousins, not twins. As for whether palmitic acid is bad for you, the answer is generally no in cosmetic use; the bigger question is whether a particular formula suits your skin type.
In the real world, palmitic acid is used in cleansers, moisturizers, shaving products, and emulsions to improve texture, stability, and cleansing performance. If you’re hunting for the best source of palmitic acid, plant oils such as palm oil, olive oil, and cocoa butter are common rich sources, though your skin doesn’t really care where the molecule came from once it’s inside a formula. The punchline? Palmitic acid is a workhorse ingredient: not glamorous, not overhyped, but very good at doing its job.
More detail
A fatty acid that can be found naturally in the skin. In fact, it's the most common saturated fatty acid found in animals and plants.
As for skincare, it can make the skin feel nice and smooth in moisturizers (emollient) or it can act as a foam building cleansing agent in cleansers. It's also a very popular ingredient in shaving foams.
Frequently Asked Questions about Palmitic Acid
What is palmitic acid in skincare products?
Is palmitic acid good for skin?
Can palmitic acid clog pores or cause breakouts?
Is palmitic acid bad for your skin?
Is palmitic acid saturated or unsaturated?
Products with Palmitic Acid (6 764 total)
Most often found in L'Oreal products (159 items)