Collagen

Biotin and collagen are two common ingredients found in shampoos and conditioners, as well as an array of multivitamins. They both claim to promote hair growth, but which one is better overall? We took a closer look at the makeup and composition of the substances, and sent them head-to-head to determine an overall victor to …

What Is Better For Thinning Hair: Biotin Or Collagen? Read More »