Science
Mechanism of Action
This extract is rich in bioactive flavonoids such as baicalin, baicalein, and wogonin, which confer its diverse benefits. It functions as a powerful antioxidant, shielding skin cells from oxidative stress and UV-induced damage. Its anti-inflammatory action helps calm redness and irritation, beneficial for conditions like acne and eczema. Additionally, it actively inhibits melanin production through tyrosinase inhibition, contributing to a brighter and more uniform skin tone. The extract also supports skin barrier function by promoting keratinocyte differentiation, improves skin elasticity, retains moisture, and possesses mild antibacterial, antifungal, and astringent qualities to reduce pore size and control oil.
Research
Clinical Evidence
Medium confidence0.3%
Key findings
- 01 A study involving 15 volunteers demonstrated significant skin whitening effects, with 84.6% total effective rate for reducing melanin and pigmentation when using Scutellaria Baicalensis Root Extract at concentrations between 0.3% and 2%.
- 02 For visible improvement in skin discoloration, concentrations from 0.1% up to 10% have been suggested, with at least 1% often recommended for more noticeable results.
- 03 A unique preparation of Scutellaria baicalensis extract-induced exosomes (SBEIEs) improved skin hydration by 21%, reduced oiliness by 1.6 times, and decreased inflammation by 2.2 times in a 10-day clinical trial.
Transparency
Dusting Analysis
While the Cosmetic Ingredient Review (CIR) Expert Panel deemed Scutellaria Baicalensis Root Extract safe as used, noting maximum reported concentrations of up to 0.5% in leave-on moisturizing products, clinical data suggests that effective skin brightening and reduction in discoloration may require concentrations ranging from 0.3% to 10%. This discrepancy indicates a potential for 'dusting,' where products claiming significant benefits may contain the ingredient below the concentrations proven effective in studies, especially when adhering strictly to the 0.5% limit in certain product types.
The Formula
Formulation
Stability
The extract exhibits good water solubility, forming a clear solution without precipitation, and generally maintains a lighter color. It can be efficiently extracted using water or ethanol.
Safety
Safety Profile
The CIR Expert Panel concluded the ingredient is safe in cosmetics, with reported maximum use concentrations up to 0.5% in leave-on moisturizing products. It is generally considered non-irritating (PII = 0 in rabbit skin tests) and a 10% extract showed negative results in a human patch test. However, individuals with particularly sensitive skin are advised to perform a patch test due to the potential for mild irritation or allergic reactions in rare cases.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Scutellaria Baicalensis Root Extract is a valuable ingredient for a wide range of skin types, offering significant benefits in skin brightening, antioxidant protection, and soothing properties, though careful consideration of concentration is needed for optimal efficacy.
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