Beauty Science
Deep Dive
Extraction Methods
Botanical extracts are produced through various methods that affect their composition and potency. Water extraction yields hydrosols and teas, alcohol extraction captures a broad range of compounds, glycerin extraction (tinctures) preserves heat-sensitive actives, while supercritical CO2 extraction produces the purest concentrations.
Skincare Benefits
Botanicals offer diverse skincare benefits: green tea provides antioxidant protection, centella asiatica (cica) promotes wound healing and barrier repair, licorice root brightens and soothes, willow bark offers natural BHA-like exfoliation, and bakuchiol mimics retinol effects with lower irritation potential.
Quality and Standardization
Botanical extract quality varies dramatically based on plant sourcing, growing conditions, harvest timing, extraction method, and standardization to active compound levels. Reputable suppliers provide certificates of analysis documenting active compound concentrations, ensuring consistency across production batches.
OSF Perspective
OSF values botanical science as the intersection of traditional plant wisdom and modern analytical chemistry — the most effective natural ingredients are those validated by both cultural history and clinical research.
Related Terms
Essential Oil | Active Ingredient | Clean Beauty | Fermentation in Beauty | Formulation
Notable Brands
Kiehl's, Origins, Tata Harper, Herbivore, Fresh