Description
QuintiSerum is Vivier’s 15% vitamin C antioxidant serum with vitamin E and five peptides, aimed at loss of firmness, uneven tone and a weakened barrier. Vivier positions it for normal to dry skin and especially mature skin, used as two to three drops once or twice a day on clean dry skin.
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What QuintiSerum does
Vivier lists three benefits: it boosts collagen and improves elasticity, brightens and evens skin tone and texture, and strengthens and hydrates the skin barrier. The brand describes it as an advanced multi-benefit antioxidant serum intended to improve skin health and visibly reduce the signs of aging and environmental damage.
Key ingredients
Vivier lists 15% vitamin C, as L-ascorbic acid USP combined with 3-O-ethyl ascorbic acid, plus vitamin E and five peptides. The two vitamin C forms are the reason the brand rates this above its 10% serums.
Who it suits
Normal to dry skin, and mature skin in particular, which is Vivier’s own guidance. If your skin runs oily or combination, Kine-C is the oil-free option in the same family. If you are new to vitamin C altogether, Serum 10 is the entry point.
How to use it
Two to three drops in the palm, applied as a thin layer to face, neck, chest and the backs of the hands, once or twice daily on clean dry skin. Vitamin C is usually a morning step under sunscreen.
How it fits with your treatments at Bar Beauty
Firmness and elasticity are what most of our energy-based and collagen-stimulating treatments target, and a peptide-rich antioxidant serum is the daily support for that work. We will tell you when to restart it after a treatment rather than leaving you guessing.
Buying Vivier in Toronto
As an authorized Vivier retailer we sell at Vivier’s published Canadian retail price, and the stock comes through Vivier Pharma’s professional channel rather than a reseller. That matters for a high-percentage vitamin C. Read more on our Vivier page, see how to verify authentic skincare, or browse all of our medical-grade skincare.
Bar Beauty Medical, 46 Fort York Blvd, CityPlace Toronto, open 7 days. Authorized retailer for the brands we stock. Product guidance here is general; we confirm what suits your skin and the right timing around any treatment at your free consultation.
Why we stock it: The serum we suggest for mature, drier skin that wants one bottle to do several jobs. Works alongside Morpheus8 at our Toronto clinic.
Frequently asked questions
What is in Vivier QuintiSerum?
Vivier lists 15% vitamin C, made up of L-ascorbic acid USP plus 3-O-ethyl ascorbic acid, together with vitamin E and five peptides.
How is QuintiSerum different from C E Peptides?
QuintiSerum runs at 15% vitamin C with five peptides and two forms of vitamin C. C E Peptides runs at 10% L-ascorbic acid USP with vitamin E and three peptides. Both are aimed at normal to dry skin, with QuintiSerum positioned by Vivier for mature skin in particular.
What does Vivier claim it does?
The brand lists boosting collagen and improving elasticity, brightening and evening tone and texture, and strengthening and hydrating the skin barrier.
How do I apply it?
Two to three drops in the palm, then a thin layer over face, neck, chest and the backs of the hands, once or twice daily on clean, dry skin.
Can I buy QuintiSerum in downtown Toronto?
Yes, at Bar Beauty Medical, 46 Fort York Blvd in CityPlace. We are an authorized Vivier retailer with clinic pickup or Canada-wide shipping.







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