Scientists in Germany have explained the wound healing and skin regeneration properties of tree bark which they have put down to one particular extract, betulin, and how it reacts on the skin.
The Protective Skin and Lifeline of a Tree: Tree Bark
Topical ointment made from tree sap found to be effective in treating skin wound infections
Birch - Skincare from wild, hand-picked Icelandic herbs – Sóley Organics
Barch Birk – Naturopathic Doctor News and Review
The Top 5 Benefits of Birch Bark Extract
From a Traditional Medicinal Plant to a Rational Drug: Understanding the Clinically Proven Wound Healing Efficacy of Birch Bark Extract
From a Traditional Medicinal Plant to a Rational Drug: Understanding the Clinically Proven Wound Healing Efficacy of Birch Bark Extract
Centella asiatica for skin: Uses, safety, benefits, and more
Birch - Benefits Your Skin and Health - Anna Rosa Skincare