Ingredient Encyclopedia

Welcome to the Ingredient Encyclopedia

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

Ingredient Encyclopedia

Rosemary Leaf Juice – Benefits, Side Effects & Uses

by ThankMeNow Editors on Sep 10, 2025
Rosemary Leaf Juice (Rosmarinus Officinalis Leaf Juice) is a water-soluble, refreshing botanical component rich in phenolic acids, flavonoids, and volatile actives that provides a synergy of soothing comfort and antioxidant clarity. This juice is highly effective at increasing skin comfort (observed trends up to 22% improvement) and enhancing antioxidant support (up to 25% increase), while simultaneously boosting clarity (up to 18% improvement) and hydration flow (up to 20% increase). Used typically at 1−5% in essences and serums, its refreshing, low-irritation profile makes it an excellent choice for sensitive, dull, dry, and combination skin seeking calmed reactivity, improved moisture balance, and a noticeably refreshed, healthier glow.