Ingredient Encyclopedia

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Discover what’s inside your skincare — from retinol to aloe vera — with clear guides on benefits, uses, and safety.

Ingredient Encyclopedia

Rosemary Seed Extract – Benefits, Side Effects & Uses

by ThankMeNow Editors on Sep 10, 2025
Rosemary Seed Extract (Rosmarinus Officinalis Seed Extract) is a water-soluble botanical concentrate rich in polyphenols, terpenoids, and flavonoids, providing powerful antioxidant environmental defense and soothing comfort. This extract is highly effective at boosting skin clarity (observed trends up to 20% improvement) and enhancing comfort (up to 22% improvement), while significantly increasing antioxidant activity (up to 28%). Used typically at 1−5% in serums and essences, its gentle profile and strong protective capabilities make it an excellent choice for sensitive, combination, and dull-feeling skin seeking consistent clarity, reduced reactivity, and superior daily environmental resilience.