How collagen and keratin protect your skin, hair, and nails during weight loss

https://varimail.com/articles/using-cacao-powder-to-curb-hunger-and-crush-cravings-a-practical-guide-for-busy-adults-30-50/

When you lose weight, most people expect to see a smaller waist or looser-fitting clothes. What you may not plan for is the way your skin, hair, and nails respond