Women owned & operated

Advanced technique. Personalized care. Remarkable results.

StayYoungSA brings aesthetics, wellness, and healthy aging together in one trusted Castle Hills practice — wrinkle relaxers, dermal fillers, PRP and biostimulators, advanced skin rejuvenation, EmFace®, Emsculpt Neo®, EXION™, GLP-1 weight management, hormone and peptide therapy, IV hydration, and private intimate wellness.

Castle Hills · San Antonio, TX Mon–Fri 10–6 · Sat 9–2 Women owned & operated
22 +

Years of clinical experience

500 +

Happy patients cared for

2,000 +

Procedures completed

The practice


Evidence-based treatments
delivered with clinical standards
— never a sales pitch.

Everything you need to look, feel, and age beautifully — in one trusted destination.

Dr. Architect built StayYoungSA on a simple belief: aesthetic medicine should look like you, only rested, refreshed, and more confident. Every treatment plan starts with a conversation, is grounded in evidence, and is matched to your goals — never to a menu.

“Aesthetic medicine is about empowering people to look, feel, and live their best at every stage of life.”

Evidence-based

Every device and injectable we use is FDA-cleared and medically supervised.

Personalized

No cookie-cutter plans. Your consultation shapes every step of your care.

Natural-looking

Results that enhance your own features — balanced, subtle, and yours.

The menu

Treatments, considered one at a time

Select any treatment to read how it works, what to expect, and whether it fits your goals. Every treatment begins with a consultation.

The essentials, in one practice

Core injectable & facial treatments
EmFace non-surgical facial rejuvenation device at StayYoungSA
EmFace®

The non-surgical facelift

RF heat plus facial-muscle stimulation — a lifted, toned, tightened look without needles or downtime.

Ask about EmFace
Injectable dermal fillers used at StayYoungSA
Injectable fillers

Restore, define, hydrate

Hyaluronic-acid formulas that rebuild volume and contour with soft, natural-looking results.

Ask about fillers
Neurotoxin treatment for fine lines and expression wrinkles
Neurotoxins

Smooth, without freezing

Neurotoxins, Xeomin®, and Dysport® that soften lines while keeping your natural expression intact.

Ask about neurotoxins
Cellenis DermaFiller — an autologous biological filler used at StayYoungSA
Cellenis®

The regenerative filler

Your own plasma, slow-released to build collagen for lift, fibrin for texture, and elastin for elasticity — longer-lasting PRP.

Ask about Cellenis

The devices behind your results

FDA-cleared · In-house devices
HIFEM® + radiofrequency

EmSculpt Neo®

Builds muscle and burns fat together in a single 30-minute session — thousands of focused contractions, the equivalent of 20,000+ sit-ups or squats, with RF to firm skin.

RF multi-platform

EXION™

Lifts, tightens, and renews across face and body — fine lines, texture, elasticity, under-eye, double chin, and RF microneedling in one advanced platform.

Dual-gas plasma

PlaDuo®

Nitrogen plasma for tightening, pigmentation, and melasma; argon plasma to shrink sebaceous glands and improve acne-prone skin — with minimal downtime.

Q-switched laser

Hollywood Spectra®

Laser hair removal plus pigment and skin-toning applications across all skin types — fast, precise, and comfortable.

Hydradermabrasion

HydraFacial®

Cleanse, exfoliate, extract, and hydrate in one seated session — an immediate glow with zero downtime.

Facial hydration · Water + RF

AquaFirm™

A facial-hydration option that uses controlled water pressure with bipolar radiofrequency to refresh, smooth, and support firmer-looking skin.

Also in practice — CO₂ laser resurfacing · RF microneedling · EmFace® · medical-grade Epicutis skin care

New patient special

Enjoy $50 off any service of your choice

Download the StayYoungSA app today and apply $50 off your first treatment. Simple, honest, and no strings attached.

Flexible plans through Cherry — no hard credit check, no deferred interest

$50

Off any service of your choice

Founder Est. San Antonio
Dr. Karen L. Architect, DNP, FNP-BC outside StayYoungSA Aesthetics & Wellness
Karen L. Architect
DNP · FNP-BC

Founder & lead provider

Dr. Karen L. Architect, DNP, FNP-BC

Doctor of Nursing Practice Board-Certified FNP 22+ years clinical

Dr. Architect founded StayYoungSA inside Heart Healthy Family Practice, bringing more than two decades of clinical experience to aesthetics, medical weight management, hormone optimization, peptide therapy, and whole-person wellness. She graduated Magna Cum Laude from Texas Tech University Health Sciences Center before earning her Doctor of Nursing Practice.

Her standard is simple and uncompromising: every plan is evidence-based, every treatment is safe, and every result should look like you — only rested, refreshed, and confident. Patients describe her practice as one where you are heard, never rushed, and never sold to.

“Known for taking time to listen — and for care plans built on safety, confidence, and quality of life.”

The StayYoungSA standard

Let Dr. Architect be the architect of your youth.

Evidence-based care, designed around you — from the first consultation to the last follow-up. Women owned & operated, medically supervised.

The people

Faces you'll see at the practice

Every guest is welcomed, informed, and cared for by a team that treats the practice like it's their own.

Christina A., Certified Laser Technician and Student Aesthetician
Aesthetician

Christina A.

Certified Laser Technician & Student Aesthetician

A warm, detail-first approach to lasers and clinical skin care — focused on safe, personalized treatment.

Amber Hernandez, Medical Assistant and Office Manager
Operations

Amber H.

Medical Assistant & Office Manager

20+ years across long-term care, urgent care, pain management, and military support — now keeping the practice running smoothly.

Amanda Martinez, Certified Medical Assistant
Clinical

Amanda M.

Certified Medical Assistant

Clinical experience and an 18-year leadership background, now focused on patient-centered care.

Vanessa V., Patient Care Coordinator
Patient care

Vanessa V.

Patient Care Coordinator

Often the first friendly face you'll meet — scheduling, coordination, and a seamless visit from door to door.

Intimate wellness — private by design

Compassionate care. Complete privacy.

Changes in intimacy, comfort, bladder control, or confidence are common — and you don't have to ignore them. Begin with a private, respectful consultation with Dr. Architect, and learn which options may be right for your body, health, and goals.

O-Shot® — Women's Intimate PRP

Platelet-rich plasma prepared from your own blood to support sensitivity, comfort, and tissue response.

P-Shot® — Men's Intimate PRP

A personalized approach to male sexual wellness, sensitivity, circulation, and confidence.

Emsella

Non-invasive electromagnetic therapy that strengthens the pelvic floor while you stay fully clothed.

Vaginal Rejuvenation

Non-surgical options that support tissue quality, comfort, lubrication, and confidence.

Hormone Wellness

A medical evaluation for energy, mood, intimacy, and performance through every stage of life.

Start with a conversation

Meet privately with Dr. Architect. No shame, no judgment — just clear information and a plan designed around you.

How it works

Our standard process for intimate wellness

From your first private conversation to your follow-up — a clear, respectful path designed around you, with no pressure and no judgment.

  1. Confidential consultation

    Meet privately with Dr. Architect to discuss your symptoms, medical history, medications, and personal goals — in complete privacy.

  2. Personalized evaluation

    Possible contributing factors are assessed; additional testing or a specialist referral is recommended only when appropriate.

  3. Individualized treatment plan

    Options may include PRP, Emsella, vaginal rejuvenation, or hormone evaluation — recommended based on your needs, never a menu.

  4. Follow-up care

    Your response, comfort, and progress are reviewed, and your future treatment needs are planned with you, step by step.

There is no shame in asking questions about intimate health. You deserve clear information, compassionate guidance, and a plan designed around your goals.

Results

What patients say

“Just had my first appointment with Dr. Architect. Very welcoming practice! I was impressed with Dr. Architect and Joey! Thank you for a great experience.”
Kelly M.
Verified patient

I was seen as a New Patient and it was a great experience! All staff including my Doctor was very friendly and very helpful! Definitely recommend!

Richard B.

What a wonderful experience! I felt heard and she didn't rush me. Initial visit was so encouraging.

Elizabeth M.

Always makes me feel comfortable and heard. Great customer service. Been going here for years and will continue, totally recommended.

Molly P.

Excellent… excellent is an understatement!

Javier R.

Questions, answered

Before you book

We offer a wide range of tailored treatments designed to meet your unique needs — from enhancing features and targeting specific skin concerns to toning and tightening. Every plan is personalized, precise, and built around natural-looking results, so you leave feeling confident and satisfied.

Yes — a consultation is required before any treatment. It's the most important step. You'll meet with one of our practitioners to discuss your aesthetic and wellness goals, medical history, and any concerns, so your plan is safe, effective, and truly yours.

Depending on the treatment, results can appear anywhere from a few days to a few weeks. Your provider will set honest expectations during your consultation, and follow-up care keeps you on track.

Yes. Every treatment is medically supervised and delivered with clinical standards. All devices and injectables are FDA-cleared, and your health history is reviewed before any procedure begins.

Yes — flexible plans are available through Cherry for treatments including GLP-1 weight management and hormone therapy. No hard credit check, no deferred interest, and you may even qualify for 0% APR options.

Visit the practice

1840 Lockhill Selma Rd, Suite 104
San Antonio, TX 78213

Located inside Heart Healthy Family Practice, Castle Hills.

Clinic hours

Mon – Fri · 10:00a – 6:00p
Saturday · 9:00a – 2:00p
Sunday · Closed

Flexible payment

Treatment plans through Cherry — no hard credit check, no deferred interest. Apply in minutes

Follow the practice

Start with a conversation

Tell us what you're considering and we'll follow up within one business day — or call (210) 316-3778 to speak with the practice directly.

Your information stays private and is never shared.

Thank you — your note is in. We'll get back to you within one business day.