Azelaic Acid Powder

Description

Azelaic Acid is a skincare ingredient naturally found in plants and it’s used in skincare to target and improve hyperpigmentation, dark spots, rosacea, and pimples/ acne. You’ll find Azelaic Acid as an ingredient in top brand products.

INCI Name: Azelaic Acid

Other Names: Nonanedioic Acid, AZA

Function: Exfoliant/ exfoliating ingredient, skin brightener

Derived from: Plants, specifically grains including yeast, barley, rye and wheat. It’s also synthetically produced in the lab.

Appearance: White powder, crystalline/ grainy texture

Smell: Odourless

Purity: ≥95%

Solubility: Soluble in soluble in glycols (including Propylene Glycol, propanediol), Glycerols/ Glycerin. Azelaic Acid is also soluble in surfactants such as Alkyl Glucosides, Ethanol, and Poloxamer. (Azelaic Acid is poorly soluble in water, and not soluble in oils).

Melting Point: 110ºC

PH: 4 to 5

Usage Rate: 10-15%, up to 20% strictly for pharmaceutical products

Shelf Life: 2 years

Storage: Store in a tightly sealed container, in a cool and dry place

Formulation Notes:

• Add Azelaic Acid to the heated water phase. It easily dissolves at higher temperature
• Stir vigorously after adding Azelaic Acid to a formulation, to ensure proper dissolution.
• It’s properly dissolved when the solution is clear.
• Final PH for Stability in Formulations: Azelaic Acid is stable within the range PH 4.5 to 6.5
• It is compatible with other active ingredients
• Texture of Azelaic Acid can be grainy if not properly dissolved. Also, it may re-crystallize at low or room temperature. Apply low heat if necessary, to fully dissolve Azelaic Acid Powder

 

Common Uses: Types of Skincare Products Containing Azelaic Acid Powder

Azelaic Acid can be found as an ingredient in labels of the following types of skincare products:

• Acne/ Pimples Gels and creams
• Dark Spot corrector
• Melasma treatment products

 

Properties of Azelaic Acid Powder

• Exfoliating properties
• Skin brightening effects
• Antioxidant properties
• Anti-inflammatory and anti-bacterial
• Comedolytic properties, that is, it prevents formation of blackheads and whiteheads in acne/ pimple skin

 

Benefits of Azelaic Acid Powder in Skincare

• Lightens and fades hyperpigmentation, dark spots, blemishes to give an overall even skin tone
• Reduces skin irritation swelling and redness, and so helps relieve rosacea
• Mildly exfoliates, resurfaces and refines surface skin: Promotes skin brightening by exfoliating/ shedding dull and dead skin cells to allow newer and younger/ brighter skin cells to show
• Helps unclog pores, and so suitable for oily and acne/ pimple skin
• Minimizes pimples/ acne due to its antibacterial and antioxidant properties
• Suitable for sensitive skin
• Classified by the US FDA as pregnancy-safe and safe for breastfeeding moms