| 摘要 |
<p>A topical product is provided, which contains supercritical birch bark extract as an active component. The supercritical birch bark extract contains betulin and lupeol as main components. The topical product may further include auxiliary active components, such as tea tree oil, olive oil, camomile oil, allantoin and lanolin. It has a strong antiseptic, healing and regeneration effects.</p> |
