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About
The One Clinic

THE ONE DIFFERENCE

Where Medicine Meets Confidence

The art and science of feeling your best.

Shanna Valliant, RN, B.Sc. is a registered nurse and aesthetic clinician with over a decade of experience in advanced medical aesthetics. A graduate of McMaster University, Shanna is also a current Family Nurse Practitioner (FNP) student, bringing an advanced clinical perspective to every aspect of her aesthetic practice.

Her work is defined by a deep understanding of facial anatomy, evidence-based techniques, and individualized treatment planning. Each consultation begins with careful assessment and clinical judgment, allowing her to develop refined treatment strategies that enhance facial structure, maintain balance, and deliver sophisticated, natural-appearing results.

As the founder of The One – Clinic, Shanna is recognized for combining medical expertise with a highly developed aesthetic eye. Her approach reflects a commitment to patient safety, thoughtful care, and results that are both elevated and enduring.

Our Approach

We combine functional, regenerative, and aesthetic medicine, addressing hormones, metabolism, nutrition, and skin health as one interconnected system.

Installment Options

Confidence should be accessible. Flexible installment and financing options are available for select services.

Explore Our Services

OUR PHILOSOPHY

Where Science Shapes Beauty

Aesthetic medicine at OneClinic is both clinical and considered. We combine advanced medical knowledge with an artistic understanding of facial balance to create personalized treatments that enhance without altering identity.

Using Health Canada–approved products and proven techniques, every treatment is customized with intention. Our focus is on proportion, longevity, and subtle refinement, delivering results that look natural, confident, and timeless.

Love from our clients.

Guilia T.
I’ve been going to The One clinic and Shannon specifically for years. The team is very professional and always really kind - one thing I love the most about their nurses is that they never over recommend/over inject. They are always looking to do what is best for you and your face and not trying to make a profit most importantly my results have always looked super natural and I have made many referrals to their clinic! Highly recommend if you are debating on booking that appointment, this is your sign to do it!
Angela
I’ve had such an incredible experience with Nurse SK and The One Team! I started my journey with them back in January after a thorough consultation with Nurse SK. I decided to switch clinics, and while I already knew Nurse SK was incredibly skilled, it was really important to me that we were on the same page and that we clicked, and we absolutely did!
I highly recommend Nurse SK to anyone looking for someone who is highly skilled and meticulous but also incredibly honest and warm.
Mary Z.
I have been seeing nurse SK for years and I couldn’t be happier. I trust whatever she does and always makes me feel amazing while being there and appreciate all the care she puts into her work.Her assistant is so kind and always accommodates my schedule. Highly recommend this clinic!I highly recommend Nurse SK to anyone looking for someone who is highly skilled and meticulous but also incredibly honest and warm.
Dorina N.
It being my first time ever getting something done I was a bit apprehensive about the entire process. Nurse Martha was amazing, she explained the entire process to me and was so gentle with me the entire time. I got 1ml done on my lips and just me being me I had a lot of swelling but she explained to me in a very calm manner what to expect and that swelling is very normal. I wasn’t happy with results immediately after leaving the clinic, I won’t lie. BUT I’m five days post filler and I LOVE my lips, absolutely love them. Trust me you just need to get past the initial shock especially if it’s your first time getting something done. After a few days you’ll even miss the swollen lips.
Patricia M.
I have been seeing nurse Shannon since 2018 and I will never go else where. She pays so much attention to details and really does a fantastic job! I highly recommend her.
Khadija R.
I had such an amazing experience at The One Clinic! I felt completely comfortable the whole time and the results are everything I wanted natural, lifted, and super flattering.
Irelen O.
had the best experience here at the one clinic! from victoria at the front desk to the actual procedures with nurse SK! the clinic is super clean and everyone is so friendly. nurse SK makes sure to thoroughly go through the procedures as well as what you are trying to achieve as a client and how we can get there! she makes sure you are super comfortable during the whole appointment and satisfied! i am obsessed with my results and would definitely be back!
Alexandra
AMAZING. Shannon is so skilled & precise! She has a great eye. I always trust her judgement and feel comfortable in her hands. The clinic is always clean & well kept. The absolute best!!!
Jazzy D.
I recently visited One Clinic for the Chanel treatment on my under eyes, and I couldn't be happier with the results! The experience was fantastic—SK was incredibly patient and took the time to address all my questions and concerns. I highly recommend this clinic, and I can’t wait to return for my next visit. Thank you, SK! ❤️
Olivia J.
I booked a full syringe for my lips for the first time at this clinic so I was a little nervous at first, but the atmosphere is amazing, so calm, relaxing, and stress-free. The receptionist is very kind and super knowledgeable about every question I had. But the best part of my experience was my injector, Nurse Tisha. I will be going back to her for all my cosmetic needs, she was the sweetest and friendliest person and made the experience all that much better. I highly HIGHLY recommend this clinic to everyone, especially Tisha. Thank you for such a wonderful experience!!!
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