Ingredient

Stearic Acid

Common fatty acid used as an emulsifier and thickener. Moderately comedogenic and a fungal acne concern.

Stearic acid is a common saturated fatty acid used as an emulsifier and emollient in skincare formulations. While it provides stability and texture to products, its moderate comedogenic rating requires consideration in acne-prone formulations.

Also known as

Octadecanoic AcidStearic Acid NFC18:0

Categories

fatty acidemulsifier

Comedogenic score: 2/5

Pore Clogging

Some caution

Stearic Acid has a moderate comedogenic rating and may contribute to congestion in some skin types. Reason: saturated fatty acid with moderate comedogenic potential.

Fungal Acne

Higher concern

Stearic Acid can feed Malassezia yeast and may trigger or worsen fungal acne. Reason: long-chain fatty acid that can feed fungal acne.

Pregnancy

Low concern

Stearic Acid is generally considered safe during pregnancy.

Irritation

Low concern

Stearic Acid has a low irritation potential and is well tolerated by most skin types.

Common Questions

What is Stearic Acid used for?
Common fatty acid used as an emulsifier and thickener. Moderately comedogenic and a fungal acne concern.
Can Stearic Acid clog pores?
Stearic Acid has a moderate comedogenic rating and may contribute to congestion in some skin types.
Is Stearic Acid fungal acne safe?
Stearic Acid can feed Malassezia yeast and may trigger or worsen fungal acne.
Is Stearic Acid commonly irritating?
Stearic Acid has a low irritation potential and is well tolerated by most skin types.

Educational purposes only. Always consult a dermatologist for personalised guidance.