Luxury Aesthetics in a Modern, Serene Environment
Zero Age MedSpa in Katy, Texas, is your destination for luxury aesthetics and professional care. Our board-certified team combines FDA-cleared technology with personalized treatment plans to deliver safe, natural, and lasting results. From advanced skin rejuvenation and non-surgical lifting to injectables and beauty services, every detail of our modern 3,000-square-foot spa is designed to help you look and feel your best—with comfort, privacy, and confidence.
Meet Our Team
Shang Chen Allison Wu, MD
Aesthetic Medicine | Obesity Medicine | Lifestyle & Longevity Physician
With more than 10 years of clinical experience across lifestyle medicine, obesity medicine, aesthetic medicine, and longevity-focused care, Dr. Allison is an integrative medical expert in anti-aging and evidence-based weight management. She is known for her rigorous medical foundation and systems-oriented clinical thinking, and she develops sustainable treatment plans by integrating whole-person health, metabolic markers, and lifestyle behavior patterns. Her approach is guided by data, logic, and safety, making her a trusted medical partner for clients seeking medical-grade anti-aging care and rational, evidence-based weight management.
Areas of Expertise：
- Aesthetic injectables: neuromodulators and dermal fillers for natural-looking enhancement
- IV therapy: hydration and metabolic support protocols
- Medical weight management: anti-obesity treatment, including pharmaceutical interventions when appropriate
- Integrated anti-aging and rejuvenation planning: long-term strategies for sustained outcomes
- Longevity consultation: functional and lifestyle medicine–informed guidance
- Comprehensive medical evaluation:long-term health planning focused on safety and consistency
Training & Certifiations
- Medical Degree, Chang Gung University College of Medicine (Taiwan)
- Licensed physician in the United States, Taiwan, and Japan
- Board Certified in Obesity Medicine (U.S.)
- Board Certified in Lifestyle Medicine (U.S.)
- Certified by the American Board of Aesthetic Medicine
Evelyn Tsai, MSN, FNP-C
Nurse Practitioner | Aesthetic Medicine & Functional Wellness Specialist
Evelyn Tsai is a compassionate and detail-oriented Nurse Practitioner with extensive experience across both medical and aesthetic fields. She began her career as a Registered Nurse at a leading medical center in Taiwan, where she worked for over four years before earning her Master of Science in Nursing (MSN) and Family Nurse Practitioner (FNP) license in the U.S.
With a strong foundation in patient care and advanced aesthetic training, Evelyn combines clinical expertise with artistic precision in every treatment. Her specialties include natural-looking injectables, advanced skin rejuvenation technologies, and personalized skincare plans tailored to each patient’s unique needs.
Evelyn is highly skilled in performing both minimally invasive and non-invasive procedures, with extensive experience in:
Energy-based treatments: ThermageFLX, Ultherapy Prime, TriLift, Picoway, IPL, ResurFX, Q-Switch
Regenerative procedures: Microneedling, mesotherapy, advanced skin rejuvenation
Injectables & enhancements: Botox, dermal fillers, facial contouring, weight management treatments
In 2024, Evelyn served as a consultant at the ThermageFLX event in Houston, demonstrated and shared her expertise and passion for aesthetic innovation.
Evelyn is deeply committed to helping patients look and feel their most confident selves. Her philosophy is to enhance natural beauty while prioritizing safety, comfort, and long-term satisfaction.
✨ “To my future patients, I look forward to meeting you soon and being part of your aesthetic journey.”✨
Clinical License and Certifiations
- Family Nurse Practitioner (FNP-C)
- Registered Nurse in Texas
- Basic Life Support (BLS)
- Advance Device Training: ThermageFLX®, Ultherapy Prime®, Picoway®, Stellar M22™, IPLOptlight®, TriLift™, Certifiation of Advanced Botox and Dermal Filler.
Jun Shen, MSN, FNP-C
Nurse Practitioner | Aesthetic Medicine & Functional Wellness Specialist
With over 30 years of global nursing expertise, Jun Shen is a Nurse Practitioner who integrates advanced aesthetic medicine with functional wellness for truly holistic patient care.
Her career began in 1994 at Hangzhou Plastic Surgery Hospital in China, specializing in plastic and reconstructive surgery. During this time, she also volunteered with Operation Smile, extending her practice to Singapore, the UK, and Australia, where she provided life-changing surgical care for patients with cleft conditions. This foundation in reconstructive surgery shapes her aesthetic philosophy today: to deliver natural, enhancing results through meticulous treatments such as Botox®, skin rejuvenation, and non-invasive body contouring.
Jun’s academic achievements include a Master of Public Health and Human Services (Australia, 2009) and a Master of Science in Nursing, Family Nurse Practitioner (United States, 2024). She is licensed as a Registered Nurse in five countries—China, Singapore, the UK, Australia, and the United States—giving her a unique, cross-cultural perspective on health, beauty, and patient care.
Beyond aesthetics, Jun is passionate about functional medicine. She partners with patients to identify and address the root causes of concerns such as weight management, sleep disorders, and chronic conditions. Her mission is to empower patients with sustainable, preventive strategies that promote confidence and long-term wellness—from the inside out.
Outside of the clinic, Jun finds inspiration in travel, culinary exploration, and photography—reminders that true beauty and health are holistic, enriched by cultural diversity and the joy of living fully.
Clinical Expertise & Credentials
- Family Nurse Practitioner (FNP-C)
- Registered Nurse (China, Singapore, UK, Australia, USA)
- ACLS / PALS / BLS Certified
- Certified in Botulinum Neurotoxin Injections
- Advanced Device Training: PicoWay®, Stellar M22™, OptiLIGHT®, TriLift™, Thermage®
Tina Tang, MSN, RN, CMSRN, CV-BC
Aesthetic Nurse | Medical-Surgical & Cardiovascular Specialist
Xiaoting (Tina) Tang is an accomplished nurse with nearly 20 years of clinical experience across Australia and the United States. She obtained her Bachelor of Nursing (2006) and Master of Nursing (2008) from Queensland University of Technology, Australia, and is a licensed Registered Nurse in both countries.
Tina has worked at renowned hospitals, including Memorial Hermann and Houston Methodist, where she also served as a clinical preceptor, mentoring and training new nurses. She is Board-Certified in Medical-Surgical (CMSRN) and Cardiovascular Nursing (CV-BC), bringing a strong foundation of patient care and medical expertise into her aesthetics practice.
With advanced training in aesthetic injection techniques, Tina is highly skilled in treatments such as Botulinum Toxin, dermal fillers, microneedling, skin boosters/mesotherapy, and IV therapy, along with hands-on experience using multiple energy-based devices including PicoWay®, Ultherapy®, Stellar M22™, TriLift™, and Thermage®. Her approach emphasizes safety, harmony, and natural-looking results tailored to each client’s unique needs.
Fluent in English, Mandarin, and Shanghainese, Tina brings cultural versatility to her practice. She lives in Katy with her husband and son, and outside of the clinic, she enjoys traveling with family, baking, playing piano, gardening, and community volunteer work. Her love of beauty in all forms translates into her professional philosophy: to deliver aesthetic treatments with the same care, artistry, and attention she brings to life.
Certifications
- Board-Certified Medical-Surgical Registered Nurse (CMSRN)
- Board-Certified Cardiac-Vascular Registered Nurse (CV-BC)
- Botulinum Toxin & Dermal Filler Certificate (Basic & Advanced)
- PicoWay® Laser Certificate
- Ultherapy® Certificate
- Stellar M22™ IPL Certificate
- TriLift™ Certificate
- Thermage® Certificate
- Basic Life Support (BLS)
- Advanced Cardiac Life Support (ACLS)
- NIH Stroke Scale Certificate
- Nurse Preceptor Certificate
Celine Wang, ADN, LE
Clinical Medical Assistant | Licensed Esthetician
Born in Taiwan, Celine Wang began her nursing journey at Shu-Zen Junior College of Medicine and Management, where she completed a five-year program and earned her Associate Degree in Nursing (ADN) in 2018. Shortly after graduation, she obtained her Registered Nurse license in Taiwan.
In 2020, Celine moved to the United States and completed the CGFNS and New York State Education Department (NYSED) credentialing process, which certified her international nursing qualifications and opened the door for her to continue her professional career in the U.S. She worked in primary care and urgent care clinics, where she strengthened her clinical expertise, patient care skills, and gained valuable exposure to medical aesthetics.
In 2023, she earned her Licensed Esthetician (LE) credential in Texas and continues to maintain her Basic Life Support (BLS) certification. With more than five years of combined experience in nursing and aesthetics, Celine has developed strong skills in medical assisting, patient coordination, and advanced skin treatments. At Zero Age MedSpa, Celine supports procedures such as PicoWay®, Stellar M22™, ResurFX™, Ultherapy®, Thermage®, TriLift™, and HydraFacial®.
Fluent in Mandarin Chinese and English, with beginner-level proficiency in Vietnamese, she is passionate about delivering safe, effective, and uplifting results that enhance both confidence and well-being. Outside of work, Celine enjoys exploring new cuisines, traveling,
spending time outdoors, and caring for small animals—a reflection of her compassionate and nurturing nature that also shines through in her patient care.
Real Results
