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BUTEA SUPERBA ROOT EXTRACT.

Valuable / ORAL CARE

A potent botanical extract derived from the Thai red kwao krua plant, rich in flavonoids and flavonoid glycosides that deliver antioxidant protection and circulation-enhancing benefits. This versatile ingredient supports skin rejuvenation through its unique ability to stimulate nitric oxide release and improve localized blood flow. Particularly valued for its anti-aging properties and compatibility across all skin types.

antioxidant skin conditioning circulation enhancer anti-aging

Science

Functions through a dual-action approach: flavonoids provide robust antioxidant and anti-inflammatory activity to protect collagen integrity, while specialized compounds inhibit PDE5 enzymes and stimulate nitric oxide release, promoting vasodilation and enhanced microcirculation for improved nutrient delivery to skin cells.


Research

Medium confidence
Effective range 1–10%
Optimal

5%

Key findings

  1. 01 Antioxidant efficacy demonstrated with EC50 of 215.11 µg/mL in lipid peroxidation inhibition assays (Asia-Pacific Journal of Science and Technology, 2021)
  2. 02 Topical formulations at 1-10% concentration show effectiveness for skin rejuvenation and circulation improvement (Supplier Technical Data)

Transparency

Not commonly dusted
Min. effective
0.5%
Red flag below
0.1%

Given the established effective range of 1-10% and potent bioactivity, concentrations below 0.5% would likely provide minimal therapeutic benefit and could indicate dusting practices.


The Formula

Solubility
Water
Optimal pH 4.5 – 6.5
0 7 14

Stability

Naturally maintains pH around 5.5 (±1.0), stable in both hot and cold processing conditions, excellent compatibility with polar solvents, alcohols, and polyols

Synergies

  • vitamin C
  • niacinamide
  • peptides
  • hyaluronic acid

Conflicts

  • strong oxidizing agents
  • highly alkaline ingredients (pH > 8.0)

Safety

CIR Status
Not reviewed
Max tested
10%
Pregnancy
Safe
Sensitization risk Low

Thai FDA restricts oral consumption to 100mg daily, but topical use at skincare concentrations shows no systemic toxicity concerns. EU CosIng database classification supports cosmetic applications.


Your Skin

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Valuable

A scientifically-backed botanical with proven antioxidant activity and unique circulation-enhancing properties, suitable for all skin types when used at appropriate concentrations.


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References