Trichologist and natural hair designer Kari Williams, Ph.D., will hold the seminar “All Things Natural” on Feb. 18 at 10 a.m. at the Hotel Angeleno’s Canyon Ballroom, 170 N. Church Lane in Los Angeles. She will be joined by Nicole Harmon, cosmetic chemist and founder of HairLiberty.org

They will discuss treatment for common scalp disorders and how to grow healthy hair. Tickets are $40, $65 and $85. For more information go to allthingsnatural.evenbrite.com or drkariwilliams.com.