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Trichology is the science of the structure, function and diseases of the human hair. Clinical trichology is the diagnosis and treatment of diseases and disorders of the human hair such as: Dandruff, Hair Loss and Scalp / Hair texture problems.
Hair loss can be a distressing and frustrating experience for many individuals. It can impact your self-esteem and overall quality of life.
Understanding the underlying causes of hair loss is crucial to finding effective treatments. This is where the expertise of a trichologist comes into play.
Trichologists are specialists in hair and scalp health, and they employ various diagnostic tools, including medical history and blood tests, to uncover the root causes of hair loss.
Sarah Sullivan (CiT ART)
Trichologist and hair specialist
Hi, I'm Sarah, a qualified trichologist, award-winning hair professional, and founder of Sheffield Trichology Clinic & Head Spa.
With 30 years of experience in the hair industry, I am passionate about helping clients restore not only the health of their hair and scalp, but also their confidence and wellbeing.
Throughout my career, I have worked extensively in advanced hair education, hair loss solutions, and scalp health, combining clinical trichology knowledge with a compassionate and holistic approach to care.
I understand how deeply hair and scalp concerns can affect self-esteem, emotional wellbeing, and quality of life, which is why every consultation is approached with empathy, professionalism, and personalised attention.
As a registered trichologist and member of the Association of Registered Trichologists (ART) I specialise in assessing and supporting a wide range of hair and scalp conditions, including:
As part of my trichology consultations, I also assess and interpret blood work where appropriate, helping to identify potential underlying factors that may contribute to hair loss or scalp concerns.
My mission is to enhance client wellbeing through specialised knowledge, evidence-based recommendations, and tailored treatment plans designed to support healthier hair growth and scalp function. I believe that healthy hair starts with understanding the root cause, which is why I take a comprehensive approach that considers lifestyle, nutrition, stress, hormonal health, scalp condition, and overall wellbeing.
I combine clinical expertise with luxury scalp and hair wellness treatments to create a calm, supportive environment.
Whether you are experiencing hair loss, scalp discomfort, thinning hair, or simply want to improve the condition of your scalp and hair, my goal is to guide and support you with honest advice and realistic solutions.
Alongside trichology services, I also specialise in wigs, toppers, and non-surgical hair replacement solutions helping clients regain confidence during medical hair loss, alopecia, or thinning concerns.
I am committed to continual professional development and providing clients with modern, compassionate, and results-focused hair and scalp care.
If you’re experiencing hair loss, thinning hair, excessive shedding, scalp irritation, or simply feel that your hair isn’t as healthy as it once was, our comprehensive face-to-face trichology consultation is designed to identify the underlying cause and provide a personalised treatment plan.
At Sheffield Trichology Clinic, we understand that hair concerns can have a significant impact on confidence and wellbeing. Our consultations provide a private, supportive, and professional environment where you will receive an in-depth assessment from an experienced Clinical Trichologist.
We begin by discussing your medical history, medications, hormonal health, family history, nutrition, stress levels, lifestyle, and hair care routine. This helps us build a complete picture of your hair and scalp health.
Your consultation includes a comprehensive examination of your hair and scalp using advanced digital trichoscopy (high-magnification scalp imaging). This specialist technology enables us to assess the health of your scalp, hair follicles and hair shafts in exceptional detail, allowing for the early detection and accurate assessment of a wide range of hair and scalp disorders.
During your examination, we assess for signs of:
Female Pattern Hair Loss (Androgenetic Alopecia)
Telogen Effluvium
Alopecia Areata
Frontal Fibrosing Alopecia
Lichen Planopilaris
Diffuse hair thinning
Hair miniaturisation
Scalp inflammation
Seborrhoeic dermatitis
Psoriasis
Folliculitis
Hair shaft abnormalities
Hair breakage and mechanical damage
Excessive scalp oiliness or dryness
Scalp sensitivity and irritation
Follicular scaling and signs of scarring alopecia
High-resolution images captured during your consultation also provide a valuable baseline, enabling us to accurately monitor your progress and assess your response to treatment over time.
We assess hair density, follicle health, miniaturisation, scalp condition and any signs of inflammation or scarring to help determine the most likely diagnosis.
If you have recent blood test results, these will be reviewed during your consultation. If further investigations are required, we will recommend the most appropriate blood tests to help identify any nutritional deficiencies, hormonal imbalances or underlying medical conditions contributing to your hair concerns.
Following your assessment, you’ll receive tailored recommendations specific to your diagnosis and goals. This may include:
Evidence-based home care advice
Prescription treatment recommendations (where appropriate via our prescribing partners)
Nutritional and lifestyle guidance
Supplement recommendations
Scalp treatment advice
Low Level Laser Therapy recommendations
PRP (Platelet Rich Plasma) suitability
Microneedling advice
Hair Transplant advice and referral
Hair replacement solutions where appropriate
Within seven days, you will receive a detailed personalised trichology report outlining:
Clinical findings
Trichology assessment
Professional diagnosis (where appropriate)
Treatment recommendations
Home care advice
Lifestyle and nutritional guidance
Recommended blood tests (if required)
Follow-up recommendations
This report can also be shared with your GP or other healthcare professionals if further medical investigation is recommended.
We have received a Prestige Award for excellence in hair and scalp health. This recognition highlights our commitment to delivering evidence-based trichology, personalised hair loss treatments, and specialist scalp care.
As an award-winning hair loss clinic in Sheffield, we support clients with conditions such as thinning hair and scalp disorders. Our clinic combines clinical expertise with a holistic, client-centred approach to achieve the best possible outcomes.
Thank you to our clients for your trust and support. We look forward to continuing to lead the way in professional trichology and scalp health.
A Trichotest is a genetic test that analyses gene variations and lifestyle factors to help personalise hair loss treatment plans. It is a simple, non-invasive test that involves a simple saliva swab.
The Trichotest is suitable for both men and women of any age who are experiencing hair loss.
It is also a good option for people who have tried other hair loss treatments without success, or who want to understand the root cause of their hair loss so that they can develop a more personalised treatment plan.
For more information call now
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Hair loss can be very distressing and can be caused by many factors, including genetics, hormones, medical conditions, and stress. Trichologists can diagnose the underlying cause and recommend several treatment options such as medications, scalp treatments, and hair replacement systems.
Hair texture issues can be caused by genetics, environment, and hair care products. Symptoms include dryness, frizz, and brittleness. Trichologists can provide advice on how to improve hair health and manage hair texture issues, such as using gentle hair care products, avoiding heat styling tools, and deep conditioning regularly.
Scalp infections can be caused by bacteria, fungi, or viruses. Common types of scalp infections include folliculitis, tinea capitis, and head lice. Trichologists can diagnose scalp infections and recommend treatment options such as medications, shampoos, and scalp treatments.
Also known as the ‘Growth Phase’ or ‘Active Phase’, the Anagen Phase is when the cells in the root of your hair are most rapidly dividing so more new hair is formed.
During the Anagen Phase, your hair grows around half an inch a month [about 6 inches a year], and faster in the summer than in winter.
This phase of the Hair Growth Cycle lasts an average of 3-5 years — so a full-length hair growth averaging 18 to 30 inches. The Anagen Phase is generally longer in people of Asian descent, and can last as much as 7 years — meaning your hair may be able to grow up to 3 feet long!
Following the Anagen Phase, your hair cycle enters a short transitional phase known as the Catagen Phase, which signals the end of active hair growth and cuts individual hairs off from the blood supply and from the cells that produce new hair. Approximately 3% of all hairs are in this stage at any time.
Approximately 10 days.
The third stage of your natural hair growth cycle is the Telogen Phase, a resting period when strands remain in their follicles but are not actively growing. An estimate of 10-15% of your hairs are in the Telogen Phase at any given moment.
Approximately 3 months or 100 days
The final stage of the Hair Growth Cycle, when individual hair strands are released from their follicles and fall out. Now the whole process can begin again! What Happens when the Hair Growth Cycle is Disrupted? Each hair follicle is independent and goes through the growth cycle at different times — otherwise all your hair would fall out at once! Instead, you only shed a certain number of hairs a day – 80 to 100 hairs on a healthy head of hair.
Hair loss, hair thinning and problems with hair growth may occur when your growth cycle is disrupted. This can be triggered by conditions such as metabolic imbalances, illness or improper nutrition.
For instance, around 12 weeks after restrictive dieting or a high fever, you may experience telogen effluvium (sudden diffuse hair fall). This occurs when your anagen (growth) phase is cut short, and many hairs enter the telogen (resting) phase at the same time – resulting in increased hair fall 3 months later during the exogen (shedding) phase.
If your hair growth cycle is constantly disrupted for example, not supported with good nutrition, you may find that your hair will not grow as long as it used to. This is because your hairs are never allowed to stay in the anagen phase long enough to reach the desired length.
Trichology consultation - face to face with trichoscopy and full report
45 Mins
£140
Trichology consultation and full report. (Remote via Zoom)
45 Mins
£110
Trichtest (DNA test including trichology consultation and full report)
60 Mins
£360
Follow-up trichology consultation within 12 months.
30 Mins
£70
Theradome laser phototherapy (1 session)
30 Mins
£20
Gift Cards:
Sheffield Trichology Clinic Store:
Purchase products we use in clinic:
Medicuticals Products:
Theradome PRO LH80
Laser Helmet For
Hair Loss Treatment
For more information call now
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Trichology is the science of the structure, function and diseases of the human hair. Clinical trichology is the diagnosis and treatment of diseases and disorders of the human hair and scalp, including dandruff, hair loss and hair texture problems.
Your face-to-face consultation includes a comprehensive medical and lifestyle assessment, a detailed hair and scalp examination using advanced digital trichoscopy, and a hair density and follicle assessment, helping us build a complete picture of your hair and scalp health and identify the most likely diagnosis.
If you have recent blood test results, we’ll review these during your consultation. If further investigation is needed, we’ll recommend the most appropriate blood tests to help identify any nutritional deficiencies, hormonal imbalances or underlying medical conditions contributing to your hair concerns.
Following your assessment you’ll receive tailored recommendations, which may include evidence-based home care advice, prescription treatment via our prescribing partners, nutritional and lifestyle guidance, supplement recommendations, Low Level Laser Therapy, PRP suitability, microneedling advice, and hair transplant or hair replacement advice where appropriate.
Within seven days of your consultation you’ll receive a detailed personalised trichology report covering your clinical findings, diagnosis (where appropriate), treatment recommendations and any recommended blood tests. This report can also be shared with your GP or other healthcare professionals.
We assess and support a wide range of conditions, including hair loss and thinning, hair texture problems, and scalp infections or infestations such as folliculitis and head lice, as well as female and male pattern hair loss, telogen effluvium, alopecia areata, seborrhoeic dermatitis and psoriasis.
The Fagron TrichoTest is a genetic test that analyses gene variations and lifestyle factors to help personalise your hair loss treatment plan. It’s a simple, non-invasive test using a saliva swab, suitable for men and women of any age experiencing hair loss.
Sudden, diffuse shedding can be a sign of telogen effluvium, often triggered around 12 weeks after restrictive dieting, illness or a high fever, when many hairs enter the resting phase at the same time. A trichology consultation can help identify what’s disrupting your hair growth cycle.
You can book online via our Fresha booking page, or call us directly using the “Book an appointment” and “Call” buttons on this page.
"My mission is to enhance client wellbeing through specialised knowledge, evidence-based recommendations, and tailored treatment plans designed to support healthier hair growth and scalp function."
Sarah Sullivan — Clinical Trichologist & Founder
