Phenolic Acid

Rosmarinic Acid

A powerful naturally occurring polyphenol from rosemary and mint, used in skincare for its antioxidant, anti-inflammatory, and antimicrobial properties.

antioxidantanti-inflammatoryrosemarypolyphenol

⚠ Unknown

Comedogenic Rating

0/5

Irritation Potential

0/5

What is it?

Rosmarinic acid is an ester of caffeic acid and 3,4-dihydroxyphenyllactic acid. It provides multiple benefits: potent antioxidant activity, anti-inflammatory properties (inhibiting lipoxygenase and COX pathways), and antimicrobial action useful for acne-prone skin.

Used in antioxidant and soothing formulations to provide free radical protection, calm skin inflammation, reduce redness, and provide mild antimicrobial benefits.

Key Benefits

✦

Potent antioxidant

Provides stronger antioxidant protection than many synthetic antioxidants.

◈

Anti-inflammatory

Inhibits key inflammatory enzymes (LOX, COX) to reduce redness and skin reactivity.

✧

Antimicrobial

Shows activity against acne-causing bacteria and other skin microorganisms.

Suitable for

sensitive skinacne-prone skinall skin typesmature skin

Main Actions

✓ antioxidant protection✓ anti-inflammatory✓ antimicrobial✓ soothing

When it may be insufficient

Rosmarinic acid is a supportive botanical antioxidant best used alongside dedicated actives for anti-aging (retinoids), brightening (vitamin C), or acne treatment (salicylic acid).

Frequently Asked Questions

What does Rosmarinic Acid do for skin?

Used in antioxidant and soothing formulations to provide free radical protection, calm skin inflammation, reduce redness, and provide mild antimicrobial benefits.

Who should use Rosmarinic Acid?

Rosmarinic Acid is suitable for: sensitive skin, acne-prone skin, all skin types, mature skin.

Are there any warnings about Rosmarinic Acid?

Rosmarinic acid is a supportive botanical antioxidant best used alongside dedicated actives for anti-aging (retinoids), brightening (vitamin C), or acne treatment (salicylic acid).

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