


- Brightens and evens
- Fades dark spots
- Softens wrinkles
Serum C20
The 20% vitamin C serum for dull skin, dark spots and wrinkles.
- Cruelty free
- Vegan
- Paraben free
- Gluten free
In stock on College St.
Usually ready within the hour.

Serum C20
30 ml
780 College Street
780 College Street
Toronto ON M6G 1C6
Canada
- Tuesday10am – 7pm
- Wednesday10am – 7pm
- Thursday10am – 7pm
- Friday10am – 6pm
- Saturday10am – 4:30pm
- Sunday & MondayClosed
- Choose Pickup at checkout.Then pay as usual.
- Wait for our "ready" email.Usually within the hour. Head over once it arrives, not before.
- Give your name at the front desk.You'll be in and out in a minute.
Description
Yon-Ka Serum C20 is for skin that has lost its glow, with dark spots and lines that are starting to bother you.
20% stable vitamin C with turmeric and pomegranate cells brightens, evens tone, fades spots and helps skin look firmer. Warm six to eight drops in your hands each morning and press onto damp skin after Lotion Yon-Ka. Oily skin needs only four.
Suits every skin type.
Ingredients
Brassica Napus Extract, Ascorbyl Tetraisopalmitate, Prunus Armeniaca (Apricot) Kernel Oil*, Limonene, Citrus Aurantium Dulcis (Orange) Oil, Helianthus Annuus (Sunflower) Seed Oil, Curcuma Longa (Turmeric) Callus Extract, Punica Granatum Leaf Cell Extract, Lavandula Angustifolia (Lavender) Oil, Pelargonium Graveolens Leaf Oil, Rosmarinus Officinalis (Rosemary) Leaf Oil, Cupressus Sempervirens Oil, Thymus Vulgaris (Thyme) Flower/Leaf Oil, Parfum/Fragrance, Tocopheryl Acetate, Citral, Linalool, Geraniol, Citronellol
*Organic
Shipping, pickup & returns
Tracked shipping, 2 to 5 business days, free over $125. Pickup at 780 College St., usually ready within the hour. See our product policies for returns.
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What's inside
The ingredients doing the work.
What's in Serum C20, and what each one does for your skin.
- 20%
Stabilized vitamin C
Antioxidant, brightening and anti-spot.
Native turmeric cells
Reinforce the anti-aging action of vitamin C.
Native pomegranate cells
Reinforce radiance and anti-spot action.
How to use
Where it goes in your routine.
How to use Serum C20, step by step.
-
After Lotion Yon-Ka
Apply to skin still damp from the mist.
-
Six to eight drops
Warm in your hands. Four if your skin is oily.
-
Press in
Over face and neck, every morning.
In the clinic
Pair it with treatments.
What we do in clinic for sun spots and uneven tone. Your products keep the results going at home.
Not sure it's right for you?
Ask the people who know it.
Our estheticians work with these brands in the treatment room. Book a free skin consultation or send us a question, and we'll tell you if it suits your skin.
Free 30-minute consultation,
with our skin analyzer.
Product FAQ
Before you buy it.
How to use Serum C20, what to pair it with, and when to check with us first.
Can I use it every day?
Yes, alone or under your cream.
Is it OK for sensitive skin?
The brand says it is tolerated by all skin types, even the most sensitive.
Can I use it after a treatment?
The brand says it can be used after procedures like microneedling. Check with us on timing.
From YonKa
Complete the routine.
Cleanse
Named favourite makeup remover at the 2022 Aesthetician's Choice Awards
Eyes
Rosemary extract for puffiness and dark circles, the eye cream for tired mornings
Moisturize
Age-prevention cream against environmental stress, hydrating rather than corrective
Protect
- Free shipping over $125
- Authorized retailer
- Pickup on College St.
- Professional skincare














