May 2026

Collagen or Biotin for Hair Growth: Which One Is Better? When it comes to hair growth, two supplements are often mentioned more than any others: collagen and biotin. They are widely promoted in beauty, wellness, and hair care products, with many people claiming they help improve hair thickness, strength, and growth. But do they actually […]

Can GLP-1 medications cause hair loss? GLP-1 medications such as semaglutide and tirzepatide have become widely used for weight loss and metabolic health. These include well-known brand names such as Ozempic, Wegovy, Mounjaro and Zepbound. A new 2026 systematic review published in Science Progress has added to growing evidence that some people using GLP-1 medications