An extract from the flowers of the Japanese pagoda tree (Sophora/Styphnolobium japonica) containing flavonoid constituents. It's used in skincare to offer antioxidant support, add a soothing feel, and condition the skin's surface.
Not typically evaluated for comedogenicity — no standardized rating available.
Our take
Is Sophora Japonica Flower Extract a Good Ingredient?
It rates Good, offering antioxidant and calming support from flavonoids like rutin and quercetin with generally favorable tolerability, though cosmetic-grade evidence is moderate rather than strong. Performance can vary by extraction method and concentration, which keeps it below Great.
What it does
Skin Benefits
It helps defend skin from oxidative stress and eases visible redness for a more comfortable-looking complexion, supporting a smoother, well-cared-for feel.
Where you'll find it
Uses in Skincare & Cosmetics
It's often included in calming serums, toners, and moisturizers designed for sensitive or easily flushed skin.
Before you use it
Safety
It's generally well tolerated, but botanicals can trigger irritation or allergy in sensitive individuals, so patch testing is prudent. No widely recognized regulatory restrictions apply to typical cosmetic use.