Anisic Acid

ANI

6/10

Concern level

Moderate concern

Anisic acid (p-methoxybenzoic acid) is an aromatic carboxylic acid used in cosmetics primarily as a fragrance component and preservative booster/pH-adjusted formulation aid. It has mild antimicrobial properties and is often used at low levels in leave-on and rinse-off products.

Pore-clogging

Non-comedogenic

Pregnancy

Safe

Regulatory

No data

Benefits

Antiseptic

Chemical Properties

Molecular Weight

152.15 g/mol

pH Range

4.00 - 7.00

Typical Concentration

0.05% - 1.00%

CAS Number: 100-09-4

Skin Type Compatibility

dry skin5/10

oily skin6/10

sensitive skin4/10

acne prone6/10

mature skin5/10

normal skin7/10

Interactions

incompatible with: May be more irritating when combined with other fragrances or essential oils, Use caution when paired with strong acids or exfoliating actives on sensitive skin

Risks & Warnings

Can cause mild skin, eye, or respiratory irritation in sensitive individuals. Rare contact allergy is possible, especially in fragranced products. Avoid use on compromised skin if stinging occurs.

Vegan Cruelty-Free

Found In Products

The Ordinary