ERICKA MARSHALL

FNP-BC

Ericka is a board-certified nurse practitioner with a master’s degree from Lincoln Memorial University. She has a bachelor’s degree in nursing from East Tennessee State University; and a bachelor’s degree in exercise science and minor in business from the University of Tennessee-Knoxville.

Ericka is a skilled aesthetic injector & passionate about client care. She firmly believes in an aesthetic approach that accentuates a person’s natural beauty. Ericka is known for her continued client support & success in helping each client achieve their desired goals.

TONYA GILBOW

LE, CPT 

Tonya is a licensed aesthetician specializing in medical aesthetic procedures as well as a licensed phlebotomist. She is a graduate of Milligan College in East TN

Tonya’s approach to aesthetics is to focus on natural and regenerative treatments to keep you feeling great about yourself and looking like the best version of you .

Ericka has trained with the top & most respected providers in the industry to improve her skills as an injector in order to provide her clients with the highest quality & safest service.

She is constantly pursuing more industry knowledge & skills in order to provide the best treatment plans for her patients by attending numerous trainings and conferences. 

Ericka is proactive, detail oriented, and has a positive & outgoing personality. Ericka loves working in this industry & is passionate about helping her  clients feel their most confident.

  • Injectables are used to relax facial wrinkles and folds (such as “smile lines”), contour the body (such as reducing the appearance of a “double chin”) and improve the signs of facial fat loss by creating structure, framework and volume to the face and lips. There are different types of injectable procedures that improve various areas of concern.

    Schedule a consultation with Ericka to assess your custom treatment plan >>

  • Onyx also specializes in the following advanced aesthetic procedures: PDO thread lifts, PRF/PRF Gel, & Microneedling.

    Schedule a consult with Ericka to customize your treatment plan >>

  • Semaglutide is FDA approved injectable medication for long term use for weight loss. It is a glucagon-like peptide-1 (GLP-1) receptor agonist. GLP-1 affects areas of the brain that control appetite and slows gastric emptying, keeping you feeling full longer that helps in reducing food intake. This is a once weekly subcutaneous injection.

    To determine if you are a candidate for this medication a consultation is required to review your medical history and a brief physical exam is required.

    Schedule a consultation with Ericka to assess whether this program is right for you >>

  • Wellness injections include the following: “glow shot” (glutathione); “lips-shred”, “beauty shot”, & B12.

    Book your wellness injection with Ericka >>

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