Kerastase is a well-known and respected brand in the beauty industry. From Hollywood stars like Jennifer Aniston, Hillary Duff & Emily Ratajkowski to Bollywood Divas like Sonam Kapoor Ahuja, Kareena Kapoor & Shilpa Shetty, many celebrities and hairstylists swear by Kerastase. Some celebs have publicly endorsed Kerastase, while others are known for using Kerastase products in their hair care routine.