Carnosic acid

A potent natural antioxidant derived from the leaves of the rosemary herb. Carnosic acid acts as a powerful shield against environmental damage, free radicals, and oxidative stress that accelerate skin aging. It helps preserve skin's youthful vitality by neutralizing harmful molecules before they can harm cells.

Carnosic acid
Carnosic acid

At a glance

Common name
Carnosic acid
Bioactive source
Rosemary
Secondary benefits
Anti-ageing

Did you know?

  • Carnosic acid makes up 1.5–2.5% of dried rosemary leaves, explaining the herb's legendary preserving power.
  • First isolated from sage in the mid-20th century, it later spotlighted rosemary's superior antioxidant strength.
  • In nature, it protects rosemary from scorching Mediterranean sun and drought—like the plant's built-in sunscreen.
  • You'll spot it on food labels as "rosemary extract (antioxidant)" or E392, preventing oils from rancidity.
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