Refresh your appearance while staying beautifully true to yourself at Skin Theory Anti-Aging and Laser Center. Located in Tijuana, Mexico, just near the U.S. border, our practice offers premium injectables like BOTOX® and fillers, skin tightening, and rejuvenating treatments thoughtfully selected to enhance natural beauty, balance, and facial harmony.
Our Mission
Our mission is to create natural changes that bring greater harmony to the face without taking away what makes you truly unique. We begin with your natural beauty, then use aesthetic treatments to refine, refresh, and enhance it. Every experience is guided by personalized care, premium products and technology, and results specifically curated to still feel unmistakably like you.
Our Values:
- Enhance your natural beauty without changing what makes you unique
- Create refined, balanced results that complement your individual features
- Use premium products and aesthetic technologies without compromising on quality
- Stay current with evolving techniques and innovations in aesthetic medicine
- Personalize every treatment around your features, preferences, and goals
- Build lasting relationships through thoughtful, attentive, bilingual care
Our Providers
Skin Theory is led by husband-and-wife physicians Dr. Yajaira Ríos and Dr. Eric M. Villegas. Together, they bring their advanced aesthetic training and a shared appreciation for natural beauty to a practice built around facial harmony and an elevated patient experience.
Dr. Yajaira Ríos
Dr. Ríos is a general practitioner who trained at Xochicalco University in Tijuana before pursuing advanced education in aesthetic medicine and longevity medicine. She earned a master’s degree in Clinical Dermatology from CEU Cardenal Herrera University and achieved her specialty in Facial and Body Aesthetic Medicine, bringing a deeper understanding of the skin to her refined, individualized approach to aesthetic care.
Dr. Eric M. Villegas
Dr. Villegas studied chemistry and biology at Saint Mary’s College of California before later completing his medical training at Universidad Xochicalco, Campus Tijuana. He pursued master’s degrees in Aesthetic Medicine and Clinical Infectology, and achieved his specialty in Facial and Body Aesthetic Medicine.
Our Services
Neuromodulators
Soften expression lines while maintaining natural movement with BOTOX, DYSPORT, and XEOMIN. As Skin Theory’s most popular treatment, BOTOX can refresh areas like forehead lines, frown lines, and crow’s feet for a smoother, well-rested appearance.
Dermal Fillers
Restore volume, enhance contours, and bring greater balance to your features. Our selection includes JUVÉDERM, RADIESSE, BELOTERO, and HYAcorp, allowing our providers to personalize treatment for facial enhancement or beautifully proportioned body contouring.
Skin Rejuvenation
Bring fresh life to dull, dry, or tired-looking skin with personalized rejuvenation treatments. Using exosomes, NCTF, skin boosters, HydraFacial, and microneedling, we can target hydration, texture, tone, and overall skin quality for a healthier-looking glow.
Skin Tightening
Firm and redefine areas affected by skin laxity without surgery. Skin Theory offers Ultherapy, Ultherapy PRIME, and Morpheus8 to stimulate collagen renewal, helping improve firmness and definition over time while preserving the natural character of your face and features.
Eye Rejuvenation
Refresh the delicate eye area with a treatment plan tailored to what you see in the mirror. We offer premium fillers, Ultherapy, Morpheus8, skin boosters, NCTF, and salmon DNA to address hollows, fine lines, laxity, dryness, and tired-looking skin.
Other Aesthetic Treatments
Complete your aesthetic plan with treatments chosen for your individual needs. Skin Theory also offers Cosmelan for hyperpigmentation, laser hair removal, KYBELLA, Sculptra, MINT PDO thread lifts, facials, liquid facelifts, and other options for the face and body.
Why Choose Skin Theory?
For nearly eight years, Skin Theory has grown around a simple idea: the best aesthetic work should enhance your features, not overpower them. Our experience with injectables has made us the #1 practice in Baja California for BOTOX purchases and placed us among Latin America’s leading Allergan practices, all while staying focused on personalized care.
We’re also closer than you may think. Located in Tijuana near the U.S. border, Skin Theory is about 25 minutes from San Diego and 2.5 hours from Los Angeles. Schedule your consultation at our med spa in Tijuana, Mexico, and discover what thoughtful aesthetics can look like.