Define Aesthetics Studio is your destination for face and skin rejuvenation in the Murrieta/Temecula Valley. Define Aesthetics Studio offers non-surgical procedures in a relaxing environment for clients who are looking for an aesthetics provider they can trust .
Define Aesthetics Studio offers a full menu of services to address the aging process, including: Botox and Xeomin,
for anti-aging and wrinkles; Dermal Fillers, for volume depletion and Lip Fillers, for fuller lips. Chemical peels using the Perfect Derma Peel to reverse signs of sun damage, hyperpigmentation, acne scars, decrease pores size, fine lines and wrinkles.
Define Aesthetics Studio can customize each treatment to the particular client, allowing us to give you the results you want.
We provide services that make you feel beautiful and cared for because we believe that your body and skin are your best accessory.


Meet the Team
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Wendy Ferguson is a registered nurse who graduated from San Joaquin Valley College with her Associate's Degree in Nursing. She completed her Bachelor's Degree at Western Governors University in 2019 and just recently earned her Master's Degree in Nursing Education. Wendy received her Medical Aesthetics Injector training at the National Laser Institute in Scottsdale, Arizona.
She has worked for St. Bernadine's Medical Center in San Bernadino and currently works at Temecula Valley Hospital as a Clinical Supervisor on a Med Surg/Tele Unit that focuses on Stroke and Neuro patient care.
Wendy is thrilled to combine her passion for caring for others, aesthetics, and education into one.
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Dr. Yalda Sedghi, a distinguished Primary Care Physician with nearly a decade of experience, is a versatile medical professional with a unique blend of expertise. Her journey in healthcare has taken her through the realms of outpatient and inpatient care, as well as urgent care, allowing her to excel in a variety of medical settings.
Notably, Dr. Sedghi spent three years at the helm of a dermatology clinic, during which she worked closely with the dermatology chief, honing her skills in dermatology, hormone replacement therapy, and general medicine. Her commitment to providing comprehensive patient care shines through in her work.
In addition to her primary care role, Dr. Sedghi is the Owner and CEO of , a thriving medical spa specializing in aesthetics. Her expertise encompasses a wide range of procedures, including neurotoxins, injectables, laser treatments, peptides, hormone replacement therapy (HRT), and weight loss solutions. Her journey into aesthetics commenced in 2019 and quickly evolved from a hobby to a passion alongside her primary medical practice.
With extensive training in all aspects of aesthetics, including fillers, injectables, lasers, PRP, biostimulators, HRT, and weight loss, Dr. Sedghi brings a wealth of knowledge and a commitment to excellence to her role as a medical spa owner and practitioner. Her experience in leading her own med spa, combined with her dedication to patient well-being, makes her an ideal partner for any med spa looking to provide top-tier aesthetic care.