1, pure natural raw materials: Yangshengtang birch series products take pure natural birch bark extract as the main component, and these raw materials do not contain hormones. Birch bark has anti-oxidation, anti-inflammatory and calming effects, and has a good maintenance effect on the skin.

2. Hormone-free addition: Yangshengtang birch series products strictly follow the principle of hormone-free addition in the production process, and do not use any hormone components, which can avoid the side effects of hormones and ensure the naturalness of products.