Is Jing Zhang Baxue able to have black hair an IQ tax?

Jing Zhang's white snow can produce black hair, which is not an IQ tax. According to relevant data, Jing Zhang Baxuesheng has a patent for its black hair. Baxuesheng's main components are extracts of Chinese herbal medicines such as salmon protein powder, coffee powder, D- mannitol, isomaltooligosaccharide, yam powder, black bean powder, yellow essence powder, etc., which contributes to black hair and greatly improves hair quality.