India, Feb. 23 -- At 72, Kris Jenner has declared that her glossy hair is all natural thanks to peptide gummies. The reality star and momager has been known to laud peptides as her secret weapon for hair growth. But Jenner's love for peptides is also good business. She and daughter Khloe Kardashian became stakeholders last year in the US based beauty biotechnology brand Omi WellBeauty. "Over the past several years I tried anything and everything, and nothing showed results as quickly as Omi," Khloe told Page Six Style. "My hair feels so much stronger, thicker, and just healthier overall."

But while the Kardashians and other celebrities like Jennifer Aniston, Nicole Kidman swear by their peptide routine, dermatologists say it's worth look...