India, July 18 -- In today's wellness market, we see lots of supplements that promise glowing skin and stronger hair. It's really important to separate what the marketers say from what science actually proves. Nutritionists and dermatologists agree that collagen helps improve skin elasticity and hydration. Biotin is mainly good for hair growth, especially for those who have a deficiency. However, neither supplement can fix genetic or hormonal hair loss.

Collagen supplements have become really popular. Some studies suggest that hydrolysed collagen peptides can help improve your skin's hydration and elasticity and even make it look better when taken for several weeks. Collagen isn't a magic solution. How well it works depends on factors su...