#telogen

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The hair journey is never ending. After chatting with a cosmetic chemist, we have discerned that the shedding (barring any unknown medical conditions) I’m experiencing is a sped up growth cycle. My hairs hit #telogen and drop before they get to their full potential. Makes sense to my diet science 👂. Now that I know Vitamin C and a pampered scalp helps it grow, I need to find out what will make it STAY. Trying @evolisprofessional Promote Serum for this purpose, stay tuned! (at Lower East Side)

The "trichogram" is an older technique for assessing hair loss. It was first developed in 1957 and involves quickly pulling out the roots of 50-70 hairs. The hairs are all mounted on a glass slide and examined under the microscope. By carefully comparing an affected area of hair loss to a presumed unaffected area alot of information can be ascertained. In androgenetic alopecia, there is a marked increase in the proportion of telogen hairs in the frontal scalp (as well as a variation in hair shaft diameter) compared to the occipital scalp. In a pure telogen effluvium the trichogram results are similar in the front and back of the scalp. A trichogram can also provide helpful information in assessing active alopecia area (where an increase in dystrophic hairs are seen) and hair loss from various toxins. The technique is not commonly used these days as dermoscopy (trichoscopy) has provided a more sensitive and non invasive means of assessing complex scalp disorders. #trichogram #telogen #telogeneffluvium #trichoscopy #dermoscopy

How can one identify a telogen hair? The hairs that are shed from the scalp are known as telogen hairs. These hairs lack pigment at the very end and do not have a root sheath around the ends either. Telogen hairs are known as "club hairs." I always encourage my patients to bring in hairs they shed if they are worried about the type of hair they are seeing. 99.9 % of the time the hairs they see a telogen hairs. About 30-70 telogen hairs are released from the scalp each and every day. In some hair loss conditions (such as telogen effluvium), an increased number of telogen hairs are released every day. #hair #telogen #haircycle #telogeneffluvium #hairlosseducation #trichology

You may have heard about various phases of the hair growth cycle such as anagen, catagen and telogen. Anagen is the growing phase. Catagen is the transitional phase. Telogen is the resting phase whereby hairs stop growing. At the end of the telogen phase, hairs are shed from the body- and end up in our brushes, combs, and shower drains. So what is the "exogen phase"? Well, for years it was thought that once a hair is ready to be shed, it simply leaves that scalp when a hair underneath pushes it out. We know now that is not true. A hair can of course leave the scalp when enough tug is given to it. However, the departure of a hair from the scalp is now recognized to be a highly regulated process which is known as "exogen." Therefore, hairs are not simply pushed out of the scalp - the process is tightly regulated. This photo shows the scalp of a patient with a telogen effluvium (hair shedding disorder). Upright regrowing hairs (URG) are seen. In addition, a telogen hair (also called a club hair) can also be seen. This hair has officially been shed from the patient's scalp. It is nested amongst the existing hair. At the time of the next patient's next shampooing or brushing it will likely be removed completely from the scalp. #hair #telogen #telogeneffluvium #exogen #hairloss #haircycle #hairclinic #trichology #drdonovan

Hair follicles go through three main stages of growth - anagen, catagen and telogen. Everyday, about 50-100 telogen hairs fall from the scalp. Anagen hairs are usually firmly rooted in the scalp and most people never see an anagen hair unless they tug it out with some force. The anagen hair has a root sheath on the end which can sometimes be seen with the naked eye. Examination under the microscope is best to differentiate an anagen hair from a telogen hair. Telogen hairs lack the root sheath and usually appear as a very small enlargement at the end of the follicle. 99.99 % of the time, the hairs that someone shows me from their own "hair collections" are telogen hairs. Collection of anagen hairs from routine gentle pulls on the scalp are very very rare but important as they are suggestive of a scarring alopecia. Most of the time when someone thinks they are looking at an anagen hair, they are actually looking at a telogen hair. It may be a crusted telogen hair, flaky telogen hair, but it's a telogen hair nevertheless. #hair #hairloss #anagen #telogen