Physalis Tsubaki Physalis bio Tsubaki oil is a light and easily absorbed oil rich in oleic acid. It is extracted from the seeds of the Japanese tea plant. This gentle oil is known for its ability to penetrate the deepest layers of the skin. Tsubaki oil protects the skin from dehydration and gives it a smooth and healthy appearance. It influences collagen production in the skin, which helps slow and combat the formation of fine lines.