Betula pendula extract, or Betulin, is isolated from wild Finnish birch bark, and can be used as an active ingredient in cosmetic products. Betulin is available as natural beige or white powder.
- Assay >88% (technical quality) in beige colour
- Assay >95% (high quality) in off-white colour
- Neglible solubility in water
- Solublity in ethanol ~0,7 w-% (20 °C),
~3 w-% (50 °C), acetone ~1,3 w-% (20 °C)
INCI name: Betula pendula extract