August 2011 in “Clinical and Experimental Dermatology” About 30% of women feel they lose too much hair, often starting before age 40, and most can't find a reason for it.
7 citations,
October 2020 in “Dermatology practical & conceptual” Some skin, hair, and nail supplements can be toxic, interact with medications, affect lab tests, and may increase cancer risk.
April 2024 in “Current research in nutrition and food science” Taking an amino acid supplement improved skin, hair, and nail health in women.
Fad diets and supplements from social media can cause skin and hair problems.
July 2024 in “Journal of Cosmetic Dermatology” Vegan collagen builder improves hair growth, skin smoothness, and reduces wrinkles and pain.