18. Bella Hadid
Develop your routine for youthful skin early. The best treatment for aged looking skin is prevention. Start a healthy skin routine in your younger years or when you first notice signs of aging for best results. Experts suggest the top 6 elements of a youthful skin routine are sunscreen, a gentle cleanser, a toner, a moisturizer, retinoids, and antioxidants to fight free radicals.