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ONYX
ONYX is a medical boutique where beauty, wellness, and innovation come together. We specialize in anti-aging treatments through the highest quality cosmetic and aesthetic injectables, including Xeomin, Daxxify, Dermal Fillers, Kybella, Sculptra, PRF, and PDO threading.
Our mission extends beyond aesthetics—we’re dedicated to achieving optimal skin health using medical-grade products and evidence-based procedures such as RF Microneedling with Sylfirm X, CoolPeel by Tetra Pro, and Derma-Facials by SKNLAB.
ONYX Special Services
beauty, wellness, and innovation
meaningful impact
ONYX
Owner and Founder
As a dedicated board certified – Nurse Practitioner, Ericka Marshall (Exercise Science – UT-Knoxville, BS Nursing – East Tennessee State University, MS Nursing – Lincoln Memorial University) has always been driven by a desire to make a meaningful impact on people’s lives.
"I cannot say enough great things about Ericka! She takes her time with each client & genuinely listens to our concerns & needs. She is extremely knowledgeable and I trust her recommendations. She's a pro with PDO threads & my go-to for Botox & microneedling. She goes above & beyond with each client and I look forward to every appointment that I have with her. I highly recommend, Ericka!"
D.S.F.
"I cannot say enough great things about Ericka! She takes her time with each client & genuinely listens to our concerns & needs. She is extremely knowledgeable and I trust her recommendations. She's a pro with PDO threads & my go-to for Botox & microneedling. She goes above & beyond with each client and I look forward to every appointment that I have with her. I highly recommend, Ericka!"
D.S.F.
"I cannot say enough great things about Ericka! She takes her time with each client & genuinely listens to our concerns & needs. She is extremely knowledgeable and I trust her recommendations. She's a pro with PDO threads & my go-to for Botox & microneedling. She goes above & beyond with each client and I look forward to every appointment that I have with her. I highly recommend, Ericka!"
D.S.F.
"I cannot say enough great things about Ericka! She takes her time with each client & genuinely listens to our concerns & needs. She is extremely knowledgeable and I trust her recommendations. She's a pro with PDO threads & my go-to for Botox & microneedling. She goes above & beyond with each client and I look forward to every appointment that I have with her. I highly recommend, Ericka!"
D.S.F.
RESULTS CRAFTED SPECIFICALLY for you
ONYX Dedicated Team
ERICKA MARSHALL
FNP-BC | FOUNDER
ANNABEL MORRISON
LME, CPT
the difference of ONYX
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ONYX Wellness & Aesthetics
