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Azelaic Acid

INCI: AZELAIC ACID

What is it?

Azelaic acid is a dicarboxylic acid used in formulas for blemish-prone skin, uneven tone, visible redness, and rough texture. The raw material is a crystalline solid with poor water solubility, which is why elegant azelaic formulas are usually built as creams, gels, suspensions, or specialized solubilized systems ra...

How is it used?

Pre-wet or disperse the powder carefully and test the finished base after resting. Watch for grit, settling, pH drift, recrystallization, and irritation. Clear liquid azelaic products usually require a deliberate solvent or solubilization strategy, not just water.

Forms

Available forms and grades affect how this ingredient behaves and how it should be selected for a formula.

Appearance

Color, texture, and physical characteristics can vary between suppliers and product grades.

Usage rate

Recommended incorporation levels depend on product type, supplier guidance, and the intended result.

Why we use it

Formulators choose this ingredient for specific performance, sensory, and stability benefits.

Strengths and limitations

Its advantages, compatibility considerations, and practical tradeoffs should be weighed during development.

Alternatives and substitutions

Possible replacements depend on the ingredient's role, desired skin feel, and formulation system.

Storage and shelf life

Appropriate storage conditions help protect quality and performance throughout the ingredient's usable life.

Azelaic Acid

What is it?

How is it used?

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