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 Root Extract – Benefits, Side Effects & Uses

by ThankMeNow Editors on Sep 10, 2025
Rosemary Root Extract (Rosmarinus Officinalis Root Extract) is a water-soluble, grounding botanical component known for delivering deep soothing comfort and supporting environmental resilience. Sourced from the root, it contains potent yet gentle polyphenols and terpenoids that effectively reduce dullness, improve the feel of hydration, and support a naturally clearer tone. It is valued for its low irritation potential, making it an excellent choice for dry, sensitive, dull, and stressed skin seeking daily antioxidant support and sustained calmness, layering easily into serums and moisturisers, and always requiring daytime SPF.