About Us
Your Aesthetic team in Boynton Beach
Our experts listen, understand, and deliver care tailored to you.
TAKING AESTHETICS FURTHER
FOUNDED BY DR. GRETZULA
5.0 rating from 265 Reviews
Founded by Dr. Joseph Gretzula, Beauty Within is a premium med spa in Boynton Beach that redefines what it means to look and feel your best. Our approach goes beyond surface-level treatments by combining cutting-edge aesthetic technology with supplementation to target the root causes of aging. Every aspect of your care is designed to help you achieve a balanced, refreshed, and revitalized version of yourself.
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Science-backed treatments
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Natural looking results
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Whole body wellness
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Expert-level providers
Meet The team
Dr. Joseph Gretzula, DO, FAAD
Dr. Joseph C. Gretzula is a board-certified dermatologist and Founder of Beauty Within serving South Florida for over 30 years. He established his practice to provide aesthetic treatments that go beyond surface-level solutions. By integrating natural supplements into treatment plans, he can address the root causes of aging together with the latest aesthetic treatments to promote skin health, overall wellness, and longevity.
This unique approach recognizes how interconnected our systems are—the relationship between the skin, gut, brain, and more. By addressing these connections, he knows patients won’t just look better—they feel better, with treatments that align with the body’s natural processes.
This unique approach recognizes how interconnected our systems are—the relationship between the skin, gut, brain, and more. By addressing these connections, he knows patients won’t just look better—they feel better, with treatments that align with the body’s natural processes.
CERTIFICATION & MEMBERSHIPS
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Board-certified Doctor of Osteopathic Medicine
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Diplomat of the American Board of Dermatology
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Florida Society of Dermatologic Surgeons
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Fellow of the American Society of Dermatologic Surgery
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Fellow of the American Academy of Dermatology
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The “U” Dermatology Association
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Fellow of the Florida Society of Dermatology and Dermatologic Surgery
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Cancer Care Committee at Bethesda Memorial Hospital (1989-90)
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Palm Beach County Society for Dermatology & Cutaneous Surgery – President (1987-89)
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Palm Beach County Medical Society
Education
Post-Graduate
- University of Miami School of Medicine, Jackson Memorial Hospital, Miami, FL (1984-87)
Residency: Dermatology
1984: Resident of the Year, Jackson Memorial Hospital - Geisinger Medical Center, Danville, PA (1983-84)
Internship: Internal Medicine
Completed all internship rotations with an A
Graduate
- Philadelphia College of Osteopathic Medicine. Philadelphia, PA (1979-83)
Degree: Doctor of Osteopathy (D.O.)
1983: Honor Student-Class Rank 1st in 203 - 1982: William Goldman Foundation Award
- 1980: Christian & Mary Lindback Fdn. Award
Undergraduate
- Philadelphia College of Pharmacy & Science, Philadelphia, PA (1975-79)
Degree: B.S. Pharmacy, Magna Cum Laude - 1979: Honor Student, Class Rank 2nd in 219
- 1979: Merck, Sharp & Dome Award
- 1978: Joseph W. Harrison Award
- 1977: Rho Chi Society – Pharmaceutical Honor Society
- 1976: Woodside Memorial Scholarship
- Member: Alumni Association, PCPS
- Keystone Jr. College, La Plume, PA (1974-75)
Major: Pre-Pharmacy
Dean’s List/Honor Student
background
Dr. Gretzula’s journey began as a pharmacist, studying the therapeutic potential of natural sources like plants, fungi, and animals. This foundation provided him with a deep understanding of how the body works in harmony with natural compounds. Today, this knowledge drives his work at Beauty Within, where he helps patients achieve more than just aesthetic improvements—he helps them feel better on the inside and supports their long-term wellness.
Nicole Hill, PA-C
With over 13 years of focused experience in advanced aesthetic treatments, she has established herself as a leading expert in cosmetic injections, laser therapies, comprehensive facial assessments, balanced facial aesthetics, and cutting-edge skin revitalization techniques. Beyond her clinical background, Nicole serves as a national trainer for the Allergan Medical Institute, where she has guided more than 300 providers in mastering Botox and Juvéderm procedures.
CERTIFICATIONS
NCCPA Board Certified Physician Assistant since 2013
Education
- Masters of Science in Physician Assistant Studies, MSPAS
South College, Knoxville, TN 2012 - Bachelor of Science in Food Science and Human Nutrition, Specialization in Dietetics, University of Florida, Gainesville, FL 2009
Danny Dabney, LME
With a career spanning over 30 years in beauty and skincare, Danny has created a unique method that blends creativity with an emphasis on advanced skin health. His journey led him across the world, where he explored traditional techniques in Korea and Indonesia. There, he learned about holistic skincare methods such as cupping and Gua Sha, which support not only external beauty but also the health of the body’s fascia and lymphatic systems. Danny is committed to delivering treatments that embrace the unique qualities of each client, fostering beauty that radiates from the inside out.
CERTIFICATIONS
- Licensed Makeup Artist – State of California
- Licensed Aesthetician and Facial Specialist – State of Florida and New York
Education
- Studio 7 Fashion Career College, Covina, California (1990-1991)
- Presbyterian General Assembly Theological Seminary, Seoul, Korea (B.A. in Theology graduated 2007)
- Brittany Beauty Academy, Levittown, NY (2018)
Max Krzyzaniak, Front Office Manager
Max Krzyzaniak is the front office manager at Beauty Within, where he plays a key role in patient education, appointment scheduling, and ensuring each visit is as rewarding as possible. Dedicated to providing a seamless and positive experience, Max ensures patients have the information and support they need to look and feel their best every day.
CERTIFICATIONS
Miami University, Oxford, OH (2020)
- MMBA Certificate- Business Management
Education
Miami University, Oxford, OH (2016-2020)
- B.S. in Kinesiology and Health- Sport Leadership and Management
- B.A. in Arts and Science- Strategic Communications
Discover Truly Personalized Care
At Beauty Within in Boynton Beach, each consultation is personalized, led by experienced medical professionals who listen to your aesthetic concerns and treat you with precision and skill using the latest technologies. For those looking to address the deeper factors contributing to aging, supplementation is seamlessly incorporated into individualized plans, providing a holistic approach that goes beyond conventional treatments.
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SCHEDULE A free CONSULTATION
Meet with our expert team to discuss your goals and create a personalized treatment plan.