research Nutrient and Stress Sensing as Novel Physiological Regulator of Human Hair Pigmentation and Greying: Role of mTORC1 Activity December 2022 in “Journal of Investigative Dermatology” Blocking mTORC1 activity could increase hair pigmentation and potentially reverse greying.
research Effects of a Medicinal Herbal Mixture Extract on Hair Growth and Melanin Production January 2018 in “대한본초학회지(본초분과학회지)” The herbal extract SHJ promotes hair growth and increases melanin production.