Dermal fillers restore structure, rebuild balance, and elevate natural beauty using hyaluronic acid (HA), a naturally occurring substance that supports hydration and skin structure. At Marvelous NP Injector, dermal filler treatments for patients in Highland Park and University Park, TX using FDA-approved products like Juvéderm® and Restylane® address lip enhancement, cheek contouring, jawline and chin definition, and under-eye rejuvenation, often paired with Botox or biostimulators for full-face balance. Contact us to schedule a personalized filler consultation.
Hyaluronic acid occurs naturally in the body, where it holds water and supports skin structure. As an injectable gel it adds volume exactly where it is placed, which makes it a tool for restoring what has been lost and for refining contours that were never quite there. Because it is a familiar substance to the body rather than a permanent implant, it also softens gradually over time.
Dermal fillers are also an excellent option for facial balancing and volume restoration after weight loss or aging, areas where natural fat and collagen may decrease over time. By carefully restoring support and contour, fillers can help the face look softer, more refreshed, and more youthful without looking overdone. Every treatment is thoughtfully customized, taking into consideration facial anatomy, proportions, and your personal goals.
The philosophy here is conservative and artistic — safe, beautiful and natural results rather than maximum change in a single visit. Building gradually across appointments gives you the chance to live with a result before deciding whether to go further, and it is far easier to add than to reverse.
Faces lose volume in a pattern, and the place a problem shows is rarely the place it started. A deepening smile line is often a midface issue; a soft jawline is often a chin projection issue. Treating only the visible complaint adds product without addressing the cause, which is how faces end up looking heavy. A full-face, individualized assessment decides where a syringe does the most good.
Serving patients in Dallas and Highland Park, I take a full-face, individualized approach to every treatment plan. I believe the most meaningful results come from careful listening, attention to detail, and a commitment to creating results that feel authentic, refined, and long-lasting.

Wrinkle relaxer treatments are among the most popular options for reducing the appearance of forehead lines, frown lines, and crow’s feet.

Wrinkle relaxers work by gently relaxing targeted facial muscles that contribute to the formation of expression lines and wrinkles.

Dermal fillers are an excellent option for facial balancing and volume restoration after weight loss or aging, areas where natural fat and collagen may decrease over time.

Treatments are carefully customized to restore volume, improve skin support, and enhance facial balance while maintaining a refreshed, natural appearance.

Microneedling is an advanced skin rejuvenation treatment designed to improve skin texture, tone, fine lines, acne scars, and overall skin quality by stimulating the body’s natural collagen and elastin production.

Many men seek treatment to look less tired, improve skin quality, reduce forehead lines, or enhance areas such as the jawline, chin, and under-eye area while maintaining a natural look.

Every weight management plan is customized following a thorough consultation to review medical history, goals, and expectations. Our approach focuses on safe, sustainable support.

Hormone Replacement Therapy (HRT) is carefully prescribed and monitored to ensure safety and effectiveness.
The tear trough is among the most technically demanding areas on the face. Thin skin, a shallow plane and the risk of puffiness mean not every patient is a candidate, and honest assessment matters more than enthusiasm. Where filler is not the right answer, biostimulators or microneedling may address the skin quality instead.
Treatment begins with an assessment of proportion and structure across the whole face, not only the area you came in for. Placement, product and volume are agreed before anything is injected. Swelling and some bruising are normal afterward, which is why results are best judged at about two weeks rather than the same evening.
Treatments are performed by Mar Santiago, FNP-C, board certified through the American Association of Nurse Practitioners with more than 20 years in medicine. Fillers are frequently planned alongside wrinkle relaxers. Call (214) 909-4539 or contact us.
EXCELLENT
Based on 13 reviews
Posted on Google![]()
Patty CollinsTrustindex verifies that the original source of the review is Google.
Mar is the best of the best!! I have been to many spas in my day and she's a true pro. My chemical peel was beyond relaxing and the results were great :) Parking is easy and the suite is easy to find. I have referred her to friends alreadyPosted on Google![]()
Ariana ReyesTrustindex verifies that the original source of the review is Google.
5 stars isn’t enough ✨ She truly pays attention to every detail and makes you feel seen and heard the entire time. You can tell she genuinely cares, not just about the results, but about you and your confidence. Everything is customized to fit your personal beauty goals, and the results speak for themselves. I always leave feeling more confident and taken care of. Highly recommend 💕Posted on Google![]()
VNunoTrustindex verifies that the original source of the review is Google.
Mar is an incredible NP with a deep knowledge of skincare. She takes the time to understand your needs and explains everything clearly, which makes you feel confident and cared for. You can tell she truly knows her craft and is passionate about helping people look and feel their best. Highly recommend her practice.Posted on Google![]()
Kim MartinezTrustindex verifies that the original source of the review is Google.
MAR IS THE BEST IN THE GAME! Mar is an incredible Nurse Practitioner with truly phenomenal technique. She genuinely cares about her patients, takes the time to listen, and makes you feel completely comfortable. My results turned out beautiful and natural. I couldn’t be happier. Highly recommend!Posted on Google![]()
Stacie PetersonTrustindex verifies that the original source of the review is Google.
I would follow Mar anywhere! I'm so excited that she has started her own business. She exudes knowledge and passion for all things related to not only skincare but whole body care (HRT/Hair). She truly is an expert and is always continually learning about the newest aesthetic procedures. As a total bonus, she has the best personality and not only makes you feel comfortable but will have you laughing your head off! ❤️Posted on Google![]()
BradTrustindex verifies that the original source of the review is Google.
The only spa I go to...exceptional customer service.Posted on Google![]()
Pricilla ChristinaTrustindex verifies that the original source of the review is Google.
Mar is truly amazing! She takes the time to really listen to my concerns and always keeps my best interests at heart. Her knowledge and care make every visit feel personalized and comfortable. I completely trust her recommendations, my skin looks healthier and rejuvenated every time. If you’re looking for someone who genuinely cares about helping you achieve your best skin and weight loss goals go see Mar!

Wrinkle relaxer treatments are among the most popular options for reducing the appearance of forehead lines, frown lines, and crow’s feet.

Wrinkle relaxers work by gently relaxing targeted facial muscles that contribute to the formation of expression lines and wrinkles.

Dermal fillers are an excellent option for facial balancing and volume restoration after weight loss or aging, areas where natural fat and collagen may decrease over time.

Treatments are carefully customized to restore volume, improve skin support, and enhance facial balance while maintaining a refreshed, natural appearance.

Microneedling is an advanced skin rejuvenation treatment designed to improve skin texture, tone, fine lines, acne scars, and overall skin quality by stimulating the body’s natural collagen and elastin production.

Many men seek treatment to look less tired, improve skin quality, reduce forehead lines, or enhance areas such as the jawline, chin, and under-eye area while maintaining a natural look.

Every weight management plan is customized following a thorough consultation to review medical history, goals, and expectations. Our approach focuses on safe, sustainable support.

Hormone Replacement Therapy (HRT) is carefully prescribed and monitored to ensure safety and effectiveness.
EXCELLENT
Based on 13 reviews
Posted on Google![]()
Patty CollinsTrustindex verifies that the original source of the review is Google.
Mar is the best of the best!! I have been to many spas in my day and she's a true pro. My chemical peel was beyond relaxing and the results were great :) Parking is easy and the suite is easy to find. I have referred her to friends alreadyPosted on Google![]()
Ariana ReyesTrustindex verifies that the original source of the review is Google.
5 stars isn’t enough ✨ She truly pays attention to every detail and makes you feel seen and heard the entire time. You can tell she genuinely cares, not just about the results, but about you and your confidence. Everything is customized to fit your personal beauty goals, and the results speak for themselves. I always leave feeling more confident and taken care of. Highly recommend 💕Posted on Google![]()
VNunoTrustindex verifies that the original source of the review is Google.
Mar is an incredible NP with a deep knowledge of skincare. She takes the time to understand your needs and explains everything clearly, which makes you feel confident and cared for. You can tell she truly knows her craft and is passionate about helping people look and feel their best. Highly recommend her practice.Posted on Google![]()
Kim MartinezTrustindex verifies that the original source of the review is Google.
MAR IS THE BEST IN THE GAME! Mar is an incredible Nurse Practitioner with truly phenomenal technique. She genuinely cares about her patients, takes the time to listen, and makes you feel completely comfortable. My results turned out beautiful and natural. I couldn’t be happier. Highly recommend!Posted on Google![]()
Stacie PetersonTrustindex verifies that the original source of the review is Google.
I would follow Mar anywhere! I'm so excited that she has started her own business. She exudes knowledge and passion for all things related to not only skincare but whole body care (HRT/Hair). She truly is an expert and is always continually learning about the newest aesthetic procedures. As a total bonus, she has the best personality and not only makes you feel comfortable but will have you laughing your head off! ❤️Posted on Google![]()
BradTrustindex verifies that the original source of the review is Google.
The only spa I go to...exceptional customer service.Posted on Google![]()
Pricilla ChristinaTrustindex verifies that the original source of the review is Google.
Mar is truly amazing! She takes the time to really listen to my concerns and always keeps my best interests at heart. Her knowledge and care make every visit feel personalized and comfortable. I completely trust her recommendations, my skin looks healthier and rejuvenated every time. If you’re looking for someone who genuinely cares about helping you achieve your best skin and weight loss goals go see Mar!