Scutellaria Baicalensis Root Extract

Scutellaria baicalensis (baikal skullcap) root extract is primarily used as an antioxidant/soothing botanical (baicalin, baicalein) and is typically included at low percentages in leave-on products, where it is generally well-tolerated in clinical and consumer use. However, as a complex plant extract, it carries a small but real risk of irritation or allergic contact dermatitis in highly reactive or eczema-prone individuals, especially in compromised barriers or when combined with multiple other botanicals. Given the low typical concentrations but non-zero sensitization potential inherent to botanicals, a gentle (not exceptionally gentle) score is the safest clinically-aligned assessment. Safety Notes: In mass-market leave-on products (toners, emulsions, multi-extract serums) Scutellaria Baicalensis Root Extract is often used as a minor botanical/soothing component at ~0.001–0.05%, reflecting typical supplier use-level guidance and cost/odor/color constraints. Dedicated “brightening/anti-redness” botanical serums, ampoules, and some K-beauty style formulations use it at materially higher levels, commonly ~0.5–2% and occasionally up to ~5% in high-strength consumer products, with the upper end more feasible in leave-on systems using standardized extracts and solubilization to manage polyphenol-related stability and color. Rinse-off products generally sit toward the lower end due to short contact time and budget allocation, while the highest observed levels are predominantly leave-on concentrates.