Isostearic Acid (Ingredient Explained + Products)

These ingredients have a higher likelihood of clogging pores or triggering breakouts, especially for acne-prone skin. However, skin reactions are individual - what causes breakouts for one person may work fine for another. Patch test if you're concerned.

May feed Fungal Acne

Fungal acne-safe products avoid ingredients that feed Malassezia yeast, the cause of fungal acne. Unlike regular acne, fungal acne appears as small, uniform bumps and won't respond to typical acne treatments. If you suspect fungal acne, consult a dermatologist for proper diagnosis.

Isostearic acid is a saturated fatty acid. Its structure makes it a great surfactant.

Surfactants help decrease the surface tension between two liquids. This property also makes it an effective emulsifier. Emulsifiers help prevent waters and oils from separating in a product.

Isostearic Acid is created from oleic acid.

This ingredient may not be Malassezia folliculitis, or fungal-acne safe.