A doctor-only cosmetic medicine practice dedicated to subtle enhancement, clinical excellence and long-term patient care.
Perpetua Cosmetic Medicine’s motto of “Tailored Care for Natural Beauty,” reflects a commitment to honesty and integrity with a strong focus on individualised consultation, tailored treatment planning, and most importantly, patient satisfaction. Our aim is to add value through ongoing relationships built on trust and quality, thereby delivering optimal outcomes for our patients.
PCM sets itself apart in the industry through the utilisation of Doctors only. Our patient’s treatment journey is comprehensively managed from consult to outcome, taking a holistic and patient-centered approach to practice.
Fundamental to PCM’s personalised approach is this patient-centred model that is underpinned by individualised management plans. Through this approach, we are focused on achieving optimal cosmetic outcomes in line with patient expectations.
Currently PCM provides cosmetic doctors to clinics within the Sydney and Blue Mountains area. PCM represents a stable and trusted cosmetic medical brand which has an established patient base and strong reputation.
PCM is a doctor-only cosmetic medicine practice built on clinical expertise and long-term patient relationships.
Our practitioners bring years of medical training and experience to every consultation. We approach cosmetic medicine as a serious clinical discipline, one that requires anatomical understanding, careful planning and sound decision-making.
We do not believe in excess.
We do not believe in chasing novelty.
We believe in proportion, balance and restraint.
The most refined outcomes are often the least obvious.
Dr Stephen Crimston (General Practitioner) – Founder of Perpetua Cosmetic Medicine, NSC, MBBS, BScN, FRACGP.
Dr Steve is an experienced clinician who brings with him the professionalism and reliability of a committed practitioner with over 20 years experience in the health care industry. Dr Steve holds a Medical Bachelor/Bachelor of Surgery and is a fellow of the Royal Australasian College of General Practitioners (RACGP) and fellow of the Cosmetic Physicians College of Australasia.
Additionally Dr Steve is the cosmetic medical advisor for Ella Bache Australia and a long term member of the Australasian College of Aesthetic Medicine (ACAM).
Over the duration of his career, Dr Steve has undertaken comprehensive theoretical and practical training in the field of cosmetic medicine. His techniques and clinical skills reflect the latest knowledge in the field of Cosmetic Medicine. The PCM Cosmetic injectibles motto of tailored natural beauty reflects Dr Crimston’s commitment to honesty and integrity with a strong focus on individualised consultation, treatments and, most importantly, patient satisfaction.
Dr Luke Crimston-Smith (Medical Practitioner)
AHPRA Registration – MED0002457953
Dr Luke Crimston-Smith is a medical practitioner with a special interest in cosmetic medicine and personalised, natural-looking results.
Dr Luke holds a Doctor of Medicine from the Australian National University and has developed a strong clinical foundation through experience across acute hospital care, including medical, surgical, and interventional radiology settings. His background in high-acuity environments has supported the development of advanced clinical judgement, attention to detail, and a safety-focused approach to patient care.
Over the course of his career, Dr Luke has undertaken further theoretical and practical training in cosmetic medicine. He maintains ongoing professional development within the field and is a member of the Australasian College of Aesthetic Medicine (ACAM).
His clinical approach reflects current knowledge in cosmetic medicine, with a focus on evidence-based practice, anatomical precision, and patient safety.
Aligned with the PCM’s Cosmetic Medicines philosophy of tailored, natural outcomes, Dr Luke is committed to providing individualised consultations and treatment planning. He places strong emphasis on patient education and collaborative decision-making to support refined, balanced outcomes that respect each patient’s unique features.
MBBS Perpetua Cosmetic Medicine
AHPRA Registration – MED0002872307
Dr Leah Wei is a medical practitioner at Perpetua Cosmetic Medicines with a special interest in regenerative and aesthetic medicine, focusing on skin health, hormonal balance, and evidence-based cosmetic treatments.
Dr Leah holds a Doctor of Medicine (MD) from the University of Sydney,
graduating in 2020. She brings a unique combination of medical training and creative insight, allowing her to approach aesthetic medicine with both scientific precision and an eye for natural balance and proportion.
In addition to her clinical training, Dr Leah has developed a strong focus on longevity, regenerative, and holistic medicine. Her approach integrates a comprehensive understanding of each patient’s health, lifestyle, and long-term goals, ensuring treatments are both medically sound and individually tailored.
Dr Leah is dedicated to helping patients achieve natural, sustainable results through a thoughtful and personalised approach to ageing. She believes that true rejuvenation extends beyond isolated treatments, and instead requires a holistic strategy that supports skin health, facial harmony, and overall wellbeing.
MBBS, FRACP (Endocrinology) | Perpetua Cosmetic Medicine
AHPRA Registration – MED0001206876
Dr Rajini Jayaballa is a Sydney-based endocrinologist and cosmetic doctor at Perpetua Cosmetic Medicines, bringing a wealth of medical expertise and a holistic understanding of skin, ageing, and metabolic health.
Dr Rajini holds a Bachelor of Medicine/Bachelor of Surgery (MBChB) from the University of Otago, New Zealand, and is a Fellow of the Royal Australasian College of Physicians (FRACP) in Endocrinology. She completed her medical degree in 2008 and has since developed extensive experience across hospital and specialist practice, with a focus on hormonal health, diabetes, and metabolism.
In addition to her specialist medical career, Dr Rajini has undertaken training in cosmetic medicine, allowing her to integrate her deep understanding of internal health with aesthetic practice. Her approach is grounded in evidence-based medicine, anatomical precision, and a strong commitment to patient safety.
Dr Rajini is known for her refined and natural aesthetic outcomes. She focuses on enhancing facial harmony, improving skin quality, and supporting long-term results, while preserving each patient’s unique features and expression. She believes in a personalised approach to treatment, where subtle, considered enhancements deliver the most balanced and effective outcomes.
Faces evolve gradually. Structure shifts. Skin changes. Movement patterns deepen.
Our role is not to alter identity, but to support it.
Every consultation is thorough and unhurried. We assess:
Sometimes the right decision is to proceed conservatively. Sometimes it is to wait. Sometimes it is to do nothing at all.
We value long-term thinking over immediate change.
Patients return to PCM because they trust:
Experience brings perspective. And perspective informs restraint.
Our experienced cosmetic professionals are dedicated to delivering high-quality education and industry-leading standards.
General Practitioner
Medical Practitioner
Practice Manager
General Practitioner
Medical Practitioner
Practice Manager
All treatments at PCM are performed by registered medical practitioners.
This is a practice built on medical oversight at every level.
A series of training workshops and educational resources brought to you by our renowned founder Dr. Stephen Crimston.
COMING SOON!
Education has always been part of our foundation.
Alongside patient care, PCM contributes to practitioner training and professional development. Remaining current, informed and anatomy-focused is not optional, it is essential.
Standards are maintained deliberately.
PCM exists for those who value experience, refinement and measured medical care.
For over a decade, our commitment has remained the same
Subtle. Structured. Considered.
Tailored Care for Natural Beauty.
