Ultra-thin film is a product of qianzi Biological Company. As a well-known host and public figure, Sa Beining reached an endorsement cooperation with qianzi Bio, which proved his recognition and trust in this product. Moreover, qianzi Bio is also a company with a good reputation and reputation, and is committed to providing high-quality skin care products. So what is certain is that Sa Beining's endorsement of the fiber posture film is genuine.