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    ADDING JOY TO YOUR LIFE

    Top MedSpa Santa Rosa, CA

    ALLEGRO MEDSPA

    Serving Northern California since 2006.

    Our success is guided by our mission: We strive to add joy to our patients’ lives through genuine caring, generosity of spirit, and the quality of our work. We offer the most effective non-surgical treatments available, performed by highly trained staff, offering customer service that far exceeds expectations.

    What makes us unique?

    Check out the numbers behind what makes us the best plastic surgery center in Northern California.

    150+ YEARS

    Our Allegro MedSpa staff has more than 150 combined years of experience in skin and body rejuvenation, including Botox, fillers, laser hair removal, and microneedling RF.

    25 OPTIONS

    Allegro MedSpa has 25 FDA-cleared, state-of-the-art treatment options – more than any other medical spa in the North Bay area.

    14 PROS

    Your Allegro MedSpa staff includes 14 professionals, licensed aestheticians, physician assistants, and registered nurses who receive training and continuing education each year.

    9 YEARS

    We have earned a Black Diamond level (national top 1% of MedSpas) from Allergan Corporation, makers of Botox® and Juvéderm®, for the past 9 years.

    YOUR BEST BEAUTY EXPERIENCE BEGINS HERE

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    MedSpa Services for Men & Women in Santa Rosa, CA

    INJECTING EXCELLENCE

    About our Aesthetic Specialists

    Our team of leading aesthetics specialists is nationally recognized for their excellence in precise and personalized patient care as Cosmetic Physician Partners Top 10 Injectors. Get to know our team of experts, and schedule your medspa treatment with confidence.

    Kirstie Anderson

    Nationally Recognized Aesthetic Nurse Injector

    Kirstie Anderson is a Registered Nurse and Aesthetic Injector with a passion for helping people look and feel their best. After graduating from nursing school in 2007, she returned to her hometown of Santa Rosa and has been specializing in Botox, fillers, lasers, and skincare for over a decade. Known for her expertise and gentle touch, Kirstie strives for natural-looking results and also works alongside our board-certified surgeons to ensure patients feel comfortable throughout their aesthetic journey.

    Melinda Wong

    Nationally Recognized Injector, MSN, RN, PHN, FNP-C

    Melinda, an aesthetic nurse practitioner originally from Southern California, brings her expertise to Sonoma and Marin Counties. With a strong academic background and experience with various lasers and injectables, she personalizes treatment plans to address concerns like pigmentation, unwanted hair, and fine lines. Her passion lies in boosting self-confidence through effective treatments and a holistic approach, creating healthier complexions and long-lasting results. Outside of work, this busy mom enjoys family and pets and takes a lighthearted approach to life, finding humor and joy in everyday experiences.

    Diana Astro

    Aesthetic Nurse Injector

    Diana, a dedicated nurse with a passion for aesthetics, brings her skills to Allegro MedSpa. After obtaining her nursing degree in 2019, she continued her education in aesthetics, specializing in lasers, fillers, and injectables for anti-aging and skin rejuvenation. While committed to her local community hospital, Diana leverages her artistic background to find her niche in aesthetic nursing, all while being a loving mom to her two children. When not working, she enjoys exploring, trying new foods, and crafting with her kids.

    Karen Donaldson

    Aesthetic Nurse Injector

    A Santa Rosa resident since 2014, Karen brings a zest for life and a passion for aesthetics to her role. After 14 years as an ICU and cardiac surgery nurse, she transitioned to cosmetic nursing in 2019, seeking a more positive and uplifting work environment. Her expertise now lies in laser treatments, Botox, and fillers. A new mom to her son with two canine companions, she enjoys scuba diving and international travel (having spent seven months exploring Europe in 2022).

    QUALITY AT EVERY TURN

    Experience, Exceptional Care, Expertise

    Allegro MedSpa is run by two internationally known plastic surgeons who lecture and publish extensively about medspas, quality care, and patient safety. Every practitioner is extensively trained, and Allegro MedSpa is known for its exceptional patient care.

    about us

    WHAT SETS US APART

    Learn more about what has helped us build our reputation as the premier MedSpa in Northern California.

    Technology

    We offer over 25 FDA-cleared aesthetic devices, including lasers, radio frequency, ultrasound, microwave, female wellness, and cryotherapy devices.

    Experience

    We operate under the medical direction of our own board-certified plastic surgeons.

    Concierge Approach

    To customize and maximize your treatments, our staff includes Physician Assistants, Registered Nurses, and Nurse Practitioners who have over 150 combined years of experience in aesthetics, as well as 2 licensed aestheticians with over 15 combined years of experience in aesthetics.

    Services

    We have one of the most complete menus of services available in today’s non-surgical aesthetic market.

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    OverviewNeurotoxinsDermal FillersLaser Skin ResurfacingLaser Hair ReductionHydrafacialNon-Surgical Body Contouring

    TAILORED TO YOUR UNIQUE BEAUTY

    Advanced MedSpa Treatments in Santa Rosa, CA

    At Allegro MedSpa, we offer a personalized experience that is far from cookie-cutter. Leveraging state-of-the-art techniques, our highly trained and nationally recognized specialists design a treatment plan specific to your unique goals, anatomy, lifestyle, and preferences to deliver optimal and lasting satisfaction.

    Our expertise ensures subtle improvements that complement your natural beauty. Experience the latest advancements in aesthetics for your most comfortable, stress-free treatment and impeccable outcomes. Trust our world-renowned team to personalize your aesthetic journey and unlock your full potential.

    view all treatments

    MASTERFUL APPLICATION

    Neurotoxins in Santa Rosa, CA

    Neuromodulator injectables, administered by our nationally recognized team members, offer a simple approach to achieving smoother skin. Treatments like Botox, Dysport, and Daxxify relax muscles that cause wrinkles, leaving you with a refreshed, youthful look. Experience reduced wrinkles, natural-looking results, and long-lasting effects. This minimally invasive procedure can help you reduce the appearance of crow’s feet, frown lines, and forehead wrinkles, as well as deliver a subtly lifted brow without surgery, downtime, or tedious maintenance.

    Neurotoxins

    IMPECCABLY REJUVENATED

    Dermal Fillers in Santa Rosa, CA

    Sculpt and define your features with advanced dermal fillers like Restylane, Juvederm, and Revance RHA, expertly administered by our nationally recognized injectors. These fillers address wrinkles, add volume to lips and cheeks, and enhance facial contours for natural-looking rejuvenation. With a variety of formulas designed to mimic various areas of facial tissues, our injectors can help you achieve subtle yet significant rejuvenation. Our team's skill ensures precise placement and impeccable results that boost your confidence.

    Dermal Fillers

    COMPLETE RENEWAL

    Laser Skin Resurfacing in Santa Rosa, CA

    Fraxel CO2 laser skin resurfacing offers comprehensive improvements to your complexion, targeting wrinkles, scars, and sun damage without harming surrounding tissues. By removing dull, damaged cells from your skin’s surface and inducing natural rejuvenation, skin resurfacing delivers complete complexion renewal. Experience smoother texture, reduced signs of aging, and a more even tone for a youthful, vibrant glow. With personalized treatments and minimal downtime, you can boost your confidence while maintaining the life you love.

    Laser Skin Resurfacing

    THE SMOOTH PATH

    Laser Hair Reduction in Santa Rosa, CA

    Achieve lasting smoothness with laser hair reduction with Venus Velocity and LightSheer technology. Our advanced laser hair reduction systems allow you to achieve long-lasting hair reduction in less time. Targeting pigmentation in hair follicles, these systems target unwanted hair without affecting the surrounding skin. Free yourself from the tedium and ongoing costs of other methods that require endless maintenance, and enjoy silky-smooth skin on legs, underarms, bikini area, and more.

    Laser Hair Reduction

    HYDRATED & HASSLE-FREE

    Hydrafacial in Santa Rosa, CA

    Hydrafacial offers deep cleansing, exfoliation, and hydration to your skin in one gentle procedure. This innovative facial treatment uses proprietary Vortex technology to remove impurities, reduce congestion, and infuse your skin with customized nourishing serums. Experience a clearer complexion, improved skin texture, and a visibly healthy, hydrated glow. Hydrafacial is painless, has no downtime, and is suitable for all skin types, making it the perfect treatment for your lunch break, spa day, or next big event.

    Hydrafacial

    SCULPTED SOLUTIONS

    Non-Surgical Body Contouring in Santa Rosa, CA

    Refine your body contours without surgery or downtime with Emsculpt Neo and CoolSculpting body contouring treatments. Emsculpt Neo builds muscle and melts fat simultaneously to give you an authentically toned appearance while CoolSculpting freezes and eliminates unwanted fat cells for a slimmer silhouette. These treatments are comfortable, require little to no downtime, and offer noticeable results without a single incision. Experience a more sculpted physique and boost your confidence with our trusted aesthetic specialists.

    CoolSculpting
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    NON-SURGICAL TREATMENTS. 
 SURGICAL PRECISION.

    Visit our surgical site

    Adhering to the Highest Standards in Aesthetic Care

    Led by the world-renowned, board-certified plastic surgeons at Plastic Surgery Associates, Allegro MedSpa adheres to the highest standards of quality and safety. Our onsite surgeon and medical director ensure every patient receives the right treatment for every aspect of their needs and that their procedure is carried out with optimal safety, empathy, and precision. With state-of-the-art treatment options and the guidance of industry-leading plastic surgeons, we take an uncompromising approach to delivering elite-level care and exquisitely natural-looking results.

    NOURISH. RESTORE. PROTECT.

    Shop Medical-Grade Skincare

    Reveal your skin's full potential with our expert-curated selection of medical-grade skincare products. Packed with powerful ingredients clinically proven to deliver real results, you'll target specific concerns like wrinkles, acne, or hyperpigmentation with products designed to nourish your skin’s healthiest tone, texture, and appearance. 

    Speak with one of our specialists to determine your ideal solutions, shop online to have your personalized skincare regimen delivered straight to your door, and share the beauty of self-care with a virtual e-gift card.

    Invest in your skin's health and radiance. Shop our medical-grade skincare selection today and explore the difference exceptional products can make.

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    BE AN ALLEGRO BEAUTY INSIDER

    The Allegro Membership is designed to empower you on your aesthetic journey, and offers a tiered approach to achieving and maintaining your best look. Choose from three membership plans to maximize your benefits, including:

    The Allegro Membership offers exceptional value and insider access to elevate your aesthetic experience.

    Sign Up

    Personalized Treatment Plans

    Our experts will craft a customized plan to address your unique goals.

    Priority Access to Events

    Attend events with no RSVP fees.

    Special Offers and Gifts

    Delight in exclusive gifts and promotions throughout the year.

    Exclusive Events

    Be the first to experience exciting new treatments and technologies at member-only events.

    Enhanced Savings

    Enjoy reduced surgeon's fees and exclusive discounts at showcase events.

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    HEAR FROM OUR CLIENTS

    “I appreciate the care and time Allegro Medspa takes to provide me with the information I need when I want to introduce a new product or procedure to my routine. I make informed decisions via their consultation process. They take the time to explain the process, expected outcome, and cost in a way that allows me to consider my options. I never feel pressured and always feel as if they have my long-term health and success in mind.” 

    –Annalise D., Santa Rosa, CA, medspa patient.

    “Allegra MedSpa makes you feel welcome from the get-go. The staff is professional and puts one at ease the minute you walk in. Your needs are met with quality care and results. Putting you first with their range of knowledge and skills is what they are all about. I encourage anyone who wants to make a self-improvement to pick up the phone and make an appointment. You won't regret it. I sure haven't.”

    –Kyra N., Santa Rosa, CA, medspa patient.

    “I started my laser hair removal process with Diana at Allegro MedSpa, and I am so pleased with the result! After only 3 treatments, I’m seeing major hair reduction on my face, legs, and underarms. I can’t wait to see the final result after 6 treatments! I’m, above all, so glad this procedure is pain-free (I’ve had very painful laser hair removal in the past.) If you’re considering it, I definitely recommend it! Make sure to book with Diana! She is so detail-oriented and makes sure she gets every little hair!”

    –Ayaka J., Santa Rosa, CA, laser hair reduction patient.

    “I had a great experience at Allegro MedSpa of Santa Rosa. The staff were all very friendly, and Karen, who did my injections, was outstanding! Karen took her time to let me know her recommendations regarding filler and Botox. I went with her recommendations for injection locations, and I am very happy I did! Karen really has an eye for what she does, and I will definitely be seeing her for future injections.” 

    –Erica A., Santa Rosa, CA, Botox and filler patient.

    “Allegro MedSpa is one of those places you stumble upon and instantly know you went to the right place! EVERYONE is so warm and friendly. I instantly knew I was in great hands after my first HydraFacial with Jenn. She is so knowledgeable and truly took her time examining my skin and treating it with exactly what it needed. She also helped set me up with a daily skincare routine that has completely changed my skin for the better…Absolutely recommend getting dermaplane too. You’ll thank me after.”

    –Nicole P., Santa Rosa, CA, HydraFacial, skincare, and dermaplane patient.

    “OMG, ok, well being a 270 lb ex-football player, I have never taken the time or even thought of taking care of my face, so my spouse talked me into going here and getting a HydraFacial. I totally fell in love with it and purchased the membership, which is WELL, WELL, worth it, but I absolutely love going in every month! The staff is so awesome, friendly, and helpful!!! My face is healthy, and I love it!!!”

    –Big Ref, Santa Rosa, CA, HydraFacial patient.

    “Love my lips!! Kirstie is a talented NP and as gentle as one can be with a needle. 10/10 recommend.” 

    –Lori N., Santa Rosa, CA, lip filler patient.

    “Karen spent a lot of time addressing my concerns and coming up with a detailed plan to achieve my goals. She is extremely knowledgeable, professional, and did an amazing job on my filler.”

    –M Lynn M., Santa Rosa, CA, dermal filler patient.

    “I had the best experience at Allegro MedSpa. Diana was very informative, and her knowledge is impeccable. She does amazing work with gentle hands. I will be back to see her.”

    –Michelle C., Santa Rosa, CA, medspa patient.

    All Testimonials

    VIEW OUR BEFORE & AFTER PHOTOS

    See real people with real results

    Lip Filler | real patient

    Fillers | real patient

    Fillers & Hydrafacial | real patient

    DRIVEN TO SUCCEED

    Out-of-Town Patients

    Allegro’s unique combination of experienced plastic surgery experts and down-to-earth aesthetic specialists is why many of our patients make the trip to Santa Rosa for their treatments.

    We respect your time and your choice, which is why we offer virtual consultations to give you a chance to collab with our team remotely, so you can set up the perfect appointment for yourself when you’re ready to travel to Allegro for treatment. Interested to find out which treatment is right for you?