Common Name(s): Rheum rhabarbarum stalk juice,rheum rhabarbarum stalk juice,botanical water,plant-derived hydrosol
CAS Number: N/a
DESCRIPTION
What It Does: Provides water-soluble plant phytochemicals at toner-compatible concentrations for gentle antioxidant, anti-inflammatory, and aromatic skin conditioning.
Why It's Used: Rheum rhabarbarum stalk juice is selected for the water-soluble phytochemical fraction of rheum rhabarbarum — hydrosols and plant waters deliver authentic aromatic and phytochemical activity at concentrations gentle enough for direct skin application without solvent or extraction.
How It Works: Steam distillation: volatile aromatics + water-soluble phenolics → hydrosol; cold-press: juice with intact enzyme activity; characteristic water-soluble secondary metabolite profile retained.
Typically Found In: Toners,mists,gentle formulas
TECHNICAL DETAILS
Primary Category: Active ingredient – antioxidant
Secondary Functions: Free radical scavenging,anti-aging
Application Areas:
Facial Skincare
Body Care
Hair Care
Beard Care
Color Cosmetics (Makeup)
Dietary/Oral Supplements
Typical Concentration Range: 5%–90%
SOURCING & ETHICS
Vegan Status: Yes
Halal Status: Yes
Source Notes: Plant-derived extract or synthetic.
SKIN COMPATIBILITY
Irritancy Rating: 1/5 – very low
Comedogenicity Rating: 0/5 – non-comedogenic
Sensitivity Concerns: Non-irritating; well-tolerated.
Safe for Sensitive Skin: Yes
SAFETY & COMPATIBILITY
Safety Profile: Excellent safety profile. ewg score: 1.
Works Well With: Vitamin c,vitamin e,ferulic acid,spf,other antioxidants
Avoid Combining With: No significant incompatibilities
SCIENTIFIC NOTE
Hydrosol preservation requires robust complete preservation — aqueous botanical products have high microbial challenge.
Last Verified: 2026-03-22
Primary Sources: Cosing database,rheum rhabarbarum botanical water review