Phototrichogram

Phototrichogram is a painless and informative method for assessing the thickness, density and general condition of hair. Using specialized equipment, a trichologist assesses the proportion of actively growing and falling hair, determines the form of alopecia. Phototrichogram is necessary for monitoring the effectiveness of treatment, identifying brittleness, dryness and other changes.

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What is a phototrichogram?

Phototrichogram (PTG) is a highly accurate diagnostic procedure that uses a computer program and photographs.

Key characteristics that are analyzed using a hair trichogram:

  • Density per unit area
  • The number of hairs at different growth phases - anagen (active growth), catagen (transitional phase) or telogen (falling and shedding phase)
  • Thickness
  • Percentage of soft (vellus) hair

PTG of hair allows the doctor to detect the first signs of androgenetic alopecia at an early stage, when the changes are not visually visible.

What is a phototrichogram?

General information about the procedure

How does the phototrichogram procedure work?

The phototrichogram is performed in two stages. The first includes:

  1. The trichologist determines the area of the scalp (about 1 cm2) for analysis
  2. Removing hair in the selected area with a razor
  3. Applying markings in the form of dots for subsequent detection of the area

After completing the first stage, the patient goes home for 2-3 days. During this time, actively growing hair grows long enough, and hair in the resting phase remains short.

The second stage involves the following actions:

  1. The patient returns to the clinic
  2. The doctor takes a series of photographs of the treated area using a trichoscope
  3. The images are loaded into a computer, where the program analyzes the number of hairs, their thickness and distribution by growth phases

The procedure lasts no more than 30 minutes and does not require anesthesia. It provides objective data on the condition of the hair, which is not available during a standard examination.

After deciphering the results, the doctor recommends undergoing a repeat diagnosis in 3 months to assess changes in the condition of the hair and the effectiveness of the treatment.

Advantages of the Foto Finder phototrichogram

The phototrichogram on the Foto Finder device offers patients many advantages:

  • Accuracy of diagnostics thanks to high-resolution images
  • The ability to scale images 140 times, which allows you to examine the hair and scalp in detail
  • Objectivity of results, elimination of medical errors
  • Time saving. Automated calculation of phototrichogram indicators occurs in a few seconds
  • The ability to view data remotely via the TrichoLAB service
  • Providing patients with information in the form of convenient diagrams
  • The ability to compare data before and after treatment

The Foto Finder studio equipment combines the functions of video dermatoscopy, trichoscopy and aesthetic visualization. This ensures a comprehensive examination of the patient, taking into account all aspects that affect the health of the hair and scalp.

Indications and contraindications for phototrichogram

Trichogram is performed in the presence of the following indications:

  • Intensive hair loss (more than 100 hairs daily)
  • Significant decrease in thickness
  • Decreased growth rate

If there is a genetic predisposition to baldness, phototrichogram is recommended as a preventive measure.

Changes in hair structure also serve as indications for phototrichogram:

  • Increased fragility
  • Split ends
  • Excessive dryness or oiliness

These symptoms may indicate disturbances in the growth process or diseases of the scalp, such as seborrheic dermatitis.

FT trichogram has a number of limitations:

  • Presence of fresh wounds on the scalp
  • Acute infectious processes
  • Severe inflammation or irritation in the area of ​​​​the study
  • Increased sensitivity of the skin

Abscesses on the scalp are also considered a temporary contraindication for phototrichogram. Experts recommend first curing the underlying disease, then moving on to diagnostics.

Answers to popular questions

Trichologists from the K+31 clinic answered frequently asked questions about hair phototrichogram.

How long does the procedure take?

Phototrichogram is performed in two stages. During the initial examination, the doctor prepares the area to be examined, which takes 15-20 minutes. During the second visit, photography is performed and the results are analyzed. This stage lasts 25-30 minutes. Between visits, the patient leads their normal life, and follows the minimum recommendations for caring for the hair area being treated.

How to prepare for a phototrichogram?

To obtain the most accurate results, it is recommended not to wash your hair 24 hours before the first visit, refrain from using styling products on the day of the procedure, and not to dye your hair a week before the examination. It is important to inform the doctor about any medications you are taking, especially if they can affect hair growth. Following these recommendations will provide the trichologist with the most accurate picture of the condition of your hair and scalp.

Our doctors

Zakirova Gulnara Shokirovna
Experience 12 years
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Zakirova
Gulnara Shokirovna
Dermatologist, cosmetologist
Ivlieva Maria Georgievna
Experience 16 years
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Ivlieva
Maria Georgievna
Head of the department of dermatology and cosmetology, dermatologist, cosmetologist, trichologist
Miloradova Nataliya Nikolaevna
Experience 19 years
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Miloradova
Nataliya Nikolaevna
Cosmetologist, trichologist
Anoiko Olga Yuryevna
Experience 27 years
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Anoiko
Olga Yuryevna
Cosmetologist
Lebedinskaya Darya Alexandrovna
Experience 17 years
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Lebedinskaya
Darya Alexandrovna
Dermatologist, cosmetologist, trichologist
Kazantseva Ekaterina Victorovna
Experience 29 years
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Kazantseva
Ekaterina Victorovna
Dermatologist, cosmetologist
Katz Ksenia Vladimirovna
Experience 11 years
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Katz
Ksenia Vladimirovna
Dermatovenerologist, oncologist
Ilyina Ekaterina Vladimirovna
Experience 9 years
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Ilyina
Ekaterina Vladimirovna
Cosmetologist, dermatologist, trichologist
Andriyako Daria Alekseevna
Experience 12 years
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Andriyako
Daria Alekseevna
Dermatovenereologist, cosmetologist
Stepanova Yulia Sergeevna
Experience 15 years
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Stepanova
Yulia Sergeevna
Acting head of the department of dermatology and cosmetology, dermatologist, cosmetologist, trichologist
Korepanova Maria Viktorovna
Experience 29 years
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Korepanova
Maria Viktorovna
Dermatovenereologist
Marchenko Elena Viktorovna
Experience 12 years
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Marchenko
Elena Viktorovna
Head of the center for podology and mycology, dermatovenerologist, podologist, cosmetologist
Sukhanova Alexandra Sergeevna
Experience 8 years
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Sukhanova
Alexandra Sergeevna
Dermatologist, cosmetologist, trichologist
Muzhetskaya Anastasia Gennadievna
Experience 10 years
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Muzhetskaya
Anastasia Gennadievna
Dermatovenereologist, cosmetologist
Korolev Konstantin Kirillovich
Experience 8 years
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Korolev
Konstantin Kirillovich
Acting head of the dermatology department West, dermatovenerologist, cosmetologist, trichologist
Teplova Olga Igorevna
Experience 10 years
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Teplova
Olga Igorevna
Cosmetologist-esthetician, nurse in cosmetology
Chernova (Timoshevskaya) Inessa Andreevna
Experience 3 years
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Chernova (Timoshevskaya)
Inessa Andreevna
Dermatovenerologist, cosmetologist
Mavrova Irina Vasilievna
Experience 14 years
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Mavrova
Irina Vasilievna
Dermatovenerologist, cosmetologist
Golovkov Aleksandr Yurievich
Experience 14 years
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Golovkov
Aleksandr Yurievich
Cosmetologist, dermatovenerologist
Varaksa Natalia Valerievna
Experience 12 years
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Varaksa
Natalia Valerievna
Cosmetologist-esthetician
Gergova Diana Dzhemalovna
Experience 12 years
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Gergova
Diana Dzhemalovna
Dermatovenerologist, cosmetologist
Bakuridze Nino Alexandrovna
Experience 22 years
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Bakuridze
Nino Alexandrovna
Cosmetologist, dermatologist, preventive medicine doctor
Lipin Mikhail Nikolaevich
Experience 8 years
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Lipin
Mikhail Nikolaevich
Medical massage brother
Pakhomova Sofya Yurievna
Experience 26 years
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Pakhomova
Sofya Yurievna
Dermatologist, cosmetologist
All specialists
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Our doctors are laureates of the ProDoctors Award
Our doctors are laureates of the ProDoctors Award

The ProDoctors portal collected 500 thousand reviews, compiled a rating of doctors based on them and awarded the best. We are proud that our doctors are among those awarded.

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Reviews 49

For the first time I was correctly diagnosed and the treatment helped.
23.11.2025
O. Aiza Idrisovna

About doctor:

Bobko Svetlana Ivanovna

Elena Viktorovna is a wonderful doctor! Knowledgeable, friendly, calm, and gets to the heart of the matter. I highly recommend her!
15.11.2025
Ch. Alexandra Mikhailovna
Extremely favorable impressions from the reception
09.11.2025
B. Elena Nikolaevna
I am simply delighted with the doctor - his attentiveness, professionalism and desire to help!
04.11.2025
Z. Zoya Fedorovna
A very attentive doctor, always ready to see a patient at a moment's notice. He helped resolve my issue quickly. I highly recommend him!
28.10.2025
D. Anna Sergeevna
Thanks to Alexandra for her professionalism!
28.10.2025
S. Natalia Alexandrovna
Excellent! The best doctor.
25.10.2025
G. Valeria Alekseevna
Excellent doctor, consulted on all issues
21.10.2025
G. Fedor Denisovich
Thank you to Elena Vladimirovna for her professionalism, attentive attitude, clear explanation of my problem, recommendations, and kindness. I am very pleased with the appointment!
16.10.2025
L. Marina Borisovna
Thank you to Ekaterina Viktorovna for the procedures and advice, for her exceptionally professional approach, and for explaining everything she did to my face!
10.10.2025
S. Natalia Igorevna
I'm very pleased with my visit to Tatyana Viktorovna, because all my questions and concerns were answered professionally and patiently. As a result, I have healthy and well-groomed skin.
06.10.2025
M. Flyura
A very competent doctor, she really helped me with my problem. Thank you.
30.09.2025
F. Daniil Viktorovich
Maria Viktorovna is a top-level specialist with an excellent attitude towards patients, effective diagnostics, and equally effective prescriptions and recommendations for treatment.
29.09.2025
E. Ivan Vladimirovich
A wonderful specialist, a true professional. Thank you very much for your work.
27.09.2025
Sh. Alevtina Vladimirovna
I have been a long-time patient of Alexandra’s, I respect her and thank her for her high level of professionalism!
21.09.2025
S. Natalia Alexandrovna
The most pleasant experience I've had with the doctor. Attentive, tactful, and professional.
20.09.2025
S. Stanka Alexandrovna
An excellent experienced doctor who knows how to establish contact with the patient, help and give recommendations for the future
14.09.2025
M. Gennady Nikolaevich
Maria Georgievna helped solve the problem with neoplasms on the face in one visit!
19.08.2025
K. Olga

About doctor:

Ivlieva Maria Georgievna

Khlunovskaya Anna Nikolaevna. Many thanks to the doctor for help. Excellent professional. I recommend. Sokolova Yana Olegovna. Professional. Many thanks. I recommend.
08.08.2025
Anonymously
This is not my first time with this doctor. I recommended him to my friends. All issues were resolved quickly and professionally. In addition, I really liked the communication with the doctor, everything was very friendly and understandable. Thank you very much!
05.08.2025
B. Sergey Valentinovich
I received a consultation on both dermatology and cosmetology. Very attentive.
02.08.2025
O. Daria Vladislavovna
I really liked the doctor, I really hope that he will help me figure out how to find a solution for treating my disease
23.07.2025
L. Evgenia Alexandrovna
Thank you, very nice and polite doctor. Explained everything clearly and calmly.
23.07.2025
R. Adelina Andreevna
I always feel comfortable at the reception, I go home in a good mood. Attentive and sensitive doctor.
17.07.2025
M. Elena Gennadievna
This is the best dermatologist I have ever met! Thank you very much, Yulia Sergeevna!
17.07.2025
A. Tatyana Vladimirovna
Attentive, delicate, truly systemically thinking doctor. Thank you for the diagnostics and procedure.
01.07.2025
E. Eva Vladimirovna
I am very pleased with the results of the procedures performed by the cosmetologist Vorobyeva Tatyana Viktorovna. She always explains in great detail, simply and clearly how the procedure will be carried out and what the result will be. Professionalism, warmth, pleasant communication and useful recommendations - you want to return to such specialists.
05.06.2025
Marina G.
I first came to see Inessa Andreevna two years ago and now I go exclusively to her. My problem for the last 15 years has been acne and, as a result, very visible pigmentation on my face in large areas. Inessa Andreevna is the first doctor (and I had several before her) who really brought me to a visible result in solving my problem. The rashes stopped, the spots were removed so much that I calmly began to allow myself to go without makeup. The treatment was chosen in such a way that while we were fighting pigmentation, the general condition of the skin improved. It became more even, dense and glowing. In general, if in a few words about Inessa Andreevna - a doctor who "hits" right on target, allows patients to be confident in the result, does not impose unnecessary things, and she herself is very beautiful, which I think is important for a cosmetologist).
22.05.2025
G. Vera
Inessa Vladimirovna is the doctor you go to for beauty, without fear and with 100% trust. Professionalism at the highest level. And a very sensitive approach.
18.05.2025
K. Irina Anvarovna
Inessa Andreevna is an amazing cosmetologist! The only cosmetologist I trust 100%, unconditionally, I know she won't give unnecessary advice, she won't hurt
14.04.2025
Sofia Z.
Dear Elena Viktorovna! I express my sincere gratitude for your amazing work. Here is my story. At the beginning of the year, I went to the clinic, made an appointment with Dr. Elena Viktorovna, for a consultation and treatment of chronic onychodystrophy and onychomycosis of the nails of the big toes. The nail on the toe of my left foot was in terrible condition, I was even ready for its surgical removal. The doctor immediately offered me a treatment system without the terrible removal: correction with a titanium thread, laser therapy, various external drugs and dietary supplements. I began to come to the procedures and follow all the necessary recommendations for treatment. I really like the laser heating procedure for nails, at first it was a little scary, and then even pleasant. The effect of the treatment did not appear immediately, barely noticeable and gradually as the nails grew. After six months, without exaggeration, a miracle happened: the nails acquired a normal, human appearance, and the former nightmare was left in the past. The treatment is still ongoing, but the positive result is obvious. My long-time dream that I will soon be able to walk barefoot openly is coming true. Elena Viktorovna, you are an excellent doctor and a wonderful person. Your main personal trait is your reverent care for the patient, and your professional traits are your golden hands, experience, iron patience and love for work. I am happy that I got treatment from you. I wish you career growth, success in professional development and studies. Thank you very much! In conclusion, I would like to write a few words to the heads of the clinic: Thank you for the good organization of the clinic, I wish you success and further prosperity. Please pay attention to the excellent work of Dr. Marchenko Elena Viktorovna. She is your golden employee! Such a doctor is the pride of the clinic. Please love, encourage and promote her. Sincerely, your client.
29.11.2024
Lapshinov Fedor
I express my admiration for the work of the cosmetologist Yegor Evgenievich Makhin. A qualified, competent cosmetologist, an excellent specialist and, what is no less important, a wonderful person. A worthy representative of the young generation of highly qualified specialists! Many thanks to the management of the clinic, in particular, the head of the department S.V. Pivovarova: it is very difficult to find and interest such wonderful doctors. Success and prosperity to you!
14.10.2024
Gombolevskaya Svetlana Leonidovna

About doctor:

Pivovarova Svetlana Victorovna, Makhin Egor Evgenievich

I am incredibly grateful to Tatyana Viktorovna for putting me into remission of long-term moderate acne; for almost 4 years I have not been bothered by rashes or pain and I have completely stopped using any foundation. Tatyana Viktorovna works for results, the tactics are cooperation with the patient, this includes advice, and answers to the strangest questions, and the coolest thing is that the doctor tells what should be done and why, explaining the processes. I am absolutely confident in my recommendations when I refer friends, girlfriends, acquaintances. The main thing for the patient to know is that they also need to make efforts and maintain discipline to achieve results. And Tatyana Viktorovna will definitely help
11.06.2024
Mikhailova Flura
Olga Yurievna, a very competent specialist and a Person with a capital P! Thank you very much for being you!
10.06.2024
Bogdan Andrey Vasilievich

About doctor:

Anoiko Olga Yuryevna

Very attentive and qualified doctor. I was very pleased with the reception.
03.04.2024
German Mikhail Mikhailovich
An excellent specialist and professional. Polite and courteous doctor. I have been visiting Lyubov Viktorovna for 4 months now. I have diabetes 2 and have foot problems. She helped me a lot. Thanks a lot!
26.02.2024
Victoria Nikolaevna Golovko

About doctor:

Arm Lyubov Viktorovna

Thank you very much, Ksenia Vladimirovna, for the high-quality and professional removal of keratomas. Very attentive, polite and pleasant to talk to. Gave clear advice necessary for treatment. The doctor saw me on time at the appointed time.
18.11.2023
Pogulyaa Galina Ivanovna

About doctor:

Katz Ksenia Vladimirovna

When I was young, I got a tattoo with my husband’s name. After the divorce, there was a desire to remove it. Clinic K+31 attracted my attention because they use modern and reliable equipment, and all the doctors are experienced and certified. At the preliminary consultation, the cosmetologist carefully examined the tattoo and said that the tattoo artist had introduced the pigment deeper than necessary, and this would complicate the process of removing it. It took me 8 procedures to completely cleanse my skin. The redness after the sessions went away within 4-5 days. The result met my expectations.
05.10.2023
Veronica

About doctor:

Ivlieva Maria Georgievna

I went to the clinic for a classic bikini. The professional work of the doctor pleases me. I was free after 20 minutes. There were no burns or painful sensations. The hairs began to fall out on their own on the 3rd day.
17.09.2023
Swede Maria
I decided to get rid of the tattoo any way I could. Safety and quality of service are always important to me, not price. The doctor at the K+31 clinic recommended removal with the PicoCare 450 laser. It took me 6 sessions to completely remove the image. Thank you for your help!
30.08.2023
Konstantin

About doctor:

Ivlieva Maria Georgievna

I would like to express my gratitude to Daria Alexandrovna Lebedinskaya! There is no discomfort after epilation. I was pleased with the delicacy of the work and painlessness. I have already done 3 procedures, we plan to do 3-4 more.
13.08.2023
Daria Kravtseva
Clinic K+31 was recommended to me by a friend. After looking at photos of other patients’ results on the website, I decided to remove the hated tattoo I got 8 years ago. Before the procedure, the doctor applied an anesthetic, so I did not experience much pain. The result pleased me.
23.07.2023
Victoria

About doctor:

Ivlieva Maria Georgievna

Many thanks to the cosmetologists K+31! I did 10 sessions of diode laser hair removal on the whole body. Totally removed hair from legs, arms, back and bikini area. I am very pleased. The skin is smooth, there has been no new hair at all for 2 months.
29.06.2023
Voronova Elena
Recently, I underwent a procedure of photorejuvenation and laser rejuvenation around the eyes by a cosmetologist Alexandra Sukhanova. I am very grateful to the doctor, excellent result. Under my eyes and on my right temple, I had small age spots, and so, all this disgrace disappeared, and there were fewer wrinkles under the eyes and it felt that the skin seemed to have become denser, dark circles under the eyes disappeared, the look became more open. The procedure itself was painless and everything went smoothly. Doctor is a professional in his field.
07.02.2023
Skryabina Irina Yurievna
I would like to express my deepest gratitude to Catherine. For a year of mesotherapy of the scalp, the hair began to recover. I went through 2 courses of 7-9 procedures and the difference between what was on my head (hair fell out after covid, problematic thyroid gland) and what is now huge. Hair restoration is a long, laborious process, and you don’t have to wait for a miracle right away. Mesotherapy is not a pleasant procedure. But you need to be patient and everything will work out. Ekaterina is a competent specialist, answers all questions, advises, encourages. Thank you so much)
12.12.2022
Tatiana
Alexandra is the only doctor who helped me solve my problem. I have been looking for "my" cosmetologist for about 10 years and I am happy that one day I came to Alexandra. I completely trust her experience and aesthetic taste. Alexandra, thank you very much!
13.11.2022
Julia I
Ksenia Vladimirovna is a wonderful doctor and very pleasant to talk to, quickly and cleanly removed a large number of papillomas (30+) and moles (4 very large ones) for me in just a couple of sessions, everything healed quickly (thank you very much again!), I will contact !! thank you for the great work!
14.10.2022
Lily

About doctor:

Katz Ksenia Vladimirovna

I want to thank Ksenia Vladimirovna for her attentiveness and professionalism. Thanks a lot doctor
12.10.2022
Angelica

About doctor:

Katz Ksenia Vladimirovna

I went with acne for 6 years, tried to solve the problem with a dozen cosmetologists, but only Ekaterina Viktorovna helped me forget about the problem! From the first appointment, I was surprised by her honest and straightforward approach: it is possible to treat, but it takes time, willpower and patience. After six months of treatment, home care, and a minimal diet, my skin has returned to normal, and at 24, I can finally go out without makeup and receive compliments. Ekaterina Viktorovna - A doctor with a capital letter, who knows and loves her job. I recommend her to all my friends and acquaintances. Thank you for bringing goodness and beauty to the world!
28.09.2022
Nataliya
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К + 31 — full-cycle multidisciplinary medical centers, including the possibility of providing medical services of European quality level.
К + 31 — are leading doctors and diagnostics using high-tech equipment from world manufacturers (Karl Storz, Olympus, Siemens, Toshiba, Bausch&Lomb, Technolas, Zeiss, Topcon).
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Our clinics

K+31 on Lobachevskogo

st. Lobachevskogo, 42/4

+7 499 999-31-31

Subway
1
11
Prospect Vernadsky Station
By a car
Lobachevsky, we pass the first barrier (security post of the City Clinical Hospital No. 31), turn right at the second barrier (security post K+31)
Parking pass
Opening hours
Mon-Fri: 08:00 – 21:00
Saturday: 09:00 – 19:00
Sunday: 09:00 – 18:00
K+31 Petrovskie Vorota

1st Kolobovsky pereulok, 4

74999993131

Subway
9
Tsvetnoy Bulvar
10
Trubnaya
By a car
Moving along Petrovsky Boulevard, turn onto st. Petrovka, right after - on the 1st Kolobovsky per. Municipal parking
Opening hours
Mon-Fri: 08:00 – 21:00
Sat-Sun: 09:00 – 19:00
K+31 West

Orshanskaya, 16/2; Ak. Pavlova, 22

74999993131

Subway
3
Molodezhnaya
By a car
Moving along Orshanskaya street, we turn to the barrier with the guard post K+31. You do not need to order a pass, they will open it for you
Opening hours on holidays

01.11: 09:00—20:00

02.11—04.11: 09:00—18:00

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