trichologist

noun

tri·​chol·​o·​gist tri-ˈkä-lə-jist 

plural trichologists

: a person who specializes in hair and scalp care and treatment of associated conditions (such as hair loss and thinning)

We've consulted the experts, from trichologists to hairstylists to find out exactly what may be causing your hair loss and the preventative steps and treatments you can use to see improvement.

—Louise Whitbread

[Philip] Kingsley, who coifs the likes of Mick Jagger, Liza Minelli and Cher, is a trichologist trained in hair science.

—Liz Brody

trichology

tri-ˈkä-lə-jē 

noun

Did you know?

Although you can accurately call the person who cuts your hair your "trichologist" if you want to, the term is usually applied to someone who studies and treats hair and scalp ailments. The "trich" in "trichologist" is the Greek trich-, stem of thrix, meaning "hair." This root makes an appearance in a number of other similarly technical-sounding words, such as "trichiasis" ("a turning inward of the eyelashes often causing irritation of the eyeball"), "trichome" ("an epidermal hair structure on a plant"), and "trichotillomania" ("an abnormal desire to pull out one's hair").

Examples of trichologist in a Sentence

Recent Examples on the Web

Penny James is a trichologist and owner of Penny James Trichology Center in New York City. —Colleen Sullivan, InStyle, 14 Mar. 2026

Hair shedding happens when your hair follicles release the hair strands, either as part of the normal growth cycle or prematurely due to an external or internal trigger, says Jay Small, a certified trichologist, longtime celebrity hairstylist, and co-founder of Arey. —Rebecca Strong, USA Today, 10 Feb. 2026

Here’s how Bowles and Penny James, trichologist at Penny James Trichology Center, recommend tackling common hair and scalp issues that get worse in winter. —Helen Carefoot, Flow Space, 29 Jan. 2026

Pattern’s leave-in features moisturizing aloe, as well as thick, nourishing honey and jojoba oil, which Kerry E. Yates, trichologist and founder of beauty brand consultancy Colour Collective, says can increase sheen and reduce frizz without causing hair to lose fullness and volume. —Malia Griggs, Glamour, 23 Dec. 2025

Word History

Etymology

tricho- + -logy + -ist entry 1

First Known Use

1863, in the meaning defined above

Rhymes for trichologist

• apologist
• biologist
• ecologist
• ethnologist
• geologist
• hydrologist
• neurologist
• oncologist
• pathologist
• philologist
• psychologist
• technologist

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