





TIRTIR Niacinamide 20% Serum 30ml
100% Authentic
- Delivery & Return
Delivery
Store delivery FREE
1-3 working daysHome or collection point from £35.00 FREE
On all your orders for home or collection point deliveryReturns
Return
We will accept exchanges and returns of unworn and unwashed garments within 30 days of the date of purchase (14 days during the sales period).Returns in store FREE
Your return will usually be processed within a week to a week and a half. We’ll send you a Return Notification email to notify you once the return has been completed. Please allow 1-3 business days for refunds to be received to the original form of payment once the return has been processed.Shipping
Brampton – Same day Pickup available
GTA – 1-3 Days
Ontario/Quebec – 3 to 5 days
Rest of Canada – 5 to 7 daysReturns
Final sale – no return.
If any other issue please contact info@koreanshop.ca
CAD$ 39.99 Original price was: CAD$ 39.99.CAD$ 34.99Current price is: CAD$ 34.99.
About TIRTIR Niacinamide 20% Serum
Reveal crystal-clear, radiant skin with the TIRTIR Niacinamide 20% Serum, a high-performance brightening and anti-aging treatment that targets blemishes, dark spots, and uneven skin tone.
Formulated with 20% Niacinamide, 2% Alpha Arbutin, and Glutathione, this powerful serum visibly brightens dull skin while enhancing luminosity and clarity. Retinol (500 IU) and Zinc PCA work together to refine pores, smooth fine lines, and boost elasticity for a youthful, glowing complexion.
Backed by clinical tests—including a seven-layer pore improvement test and three-layer skin-brightening test—this formula improves skin tone, strengthens the barrier, and promotes firm, elastic, and hydrated skin.
Perfect for all skin types, especially dull, uneven, or aging skin.
Benefits:
- A serum contains 20% Niacinamide that removes unwanted blemishes and evens out the skin tone.
- Niacinamde 20%, Alpha Arbutin 2%, and Glutathione offer transparent and sparkling skin, while Retinol 500IU and Zinc PCA create younger-looking skin with effective anti-aging care and calm-only irritation on skin with intense soothing care.
- By supplying moisturizing ingredients and components that can improve damaged skin, strengthen the skin barrier, and make the skin brighter and more elastic.
- Seven layers pore improvement test, seven layers pore improvement test, and three layers skin brightening test proved.
How to use:
- Lightly shake up the serum and apply a moderate amount on the skin and pat to aid absorption.

Related Products
100% Authentic
Madagascar Centella Probio-cica Intensive Ampoule contains a high concentration of fermented cica extract to deliver intense moisture to skin and strengthen the skin barrier. Panthenol, betaine and allantoin in the formula provide plumping touches for smooth and hydrated skin. Suitable for sensitive skin.
8 in stock
Brighten your complexion with ANUA Niacinamide 10% + TXA 4% Serum. This lightweight, fragrance-free formula features 10% Niacinamide, 4% Tranexamic Acid, and 2% Arbutin to reduce hyperpigmentation. Hydrating Hyaluronic Acid and Ceramides replenish the skin barrier for a radiant glow.
1233 in stock
- TATGET COMPLEX OF SKIN CONCERNS : Addresses Wrinkles, Textured skin and Enlarged pores by promoting skin cell turnover.
19 in stock
Gently exfoliating while providing deep moisturization, this product effectively removes dead skin cells and regulates sebum production. It also deeply hydrates dry skin. Made from natural ingredients, it is safe for use on sensitive skin. Since individual skin reactions may vary, we recommend conducting a patch test on your wrist before using.
1 in stock
DAILY BRIGHTENING SERUM FOR ALL SKIN TYPES : Formulated with ANUA RICERA 7+ and Arbutin, this serum nourishes and hydrates the skin whilst brightening dull skin to achieve even skin tone.
32 in stock
Redness Relieving Serum: Refine Pores, Smoothen Skin, Relieve Redness. The Niacinamide and Zinc PCA instantly improves skin texture and radiance by reducing excess oil and minimizing pore sizes.
46 in stock
Nourish dull skin for the envious glass glow with Glass Glow Serum 2.0 formulated with Triple Collagen Complex. Supplies skin with collagen and other essential nutrients to maintain long lasting skin suppleness and glow.
15 in stock
AXIS-Y Vegan Collagen Eye Serum is your Ultimate Solution to Combat Wrinkles, Puffiness, and Dark Circles.
This eye serum not only addresses fine lines, puffiness, and dark circles but also stands out with its exceptionally nourishing and highly absorbent formula. Ideal for the thin, sensitive skin around the eyes, our eye serum ensures deep penetration and hydration, thanks to advanced formulation technology specifically designed to boost skin absorption.
It also features a unique CoolTouch Eye Applicator, specifically designed for the gentle care of the eye region.
AXIS-Y has curated exclusive bundles to maximize the results of our Vegan Collagen Eye Serum.
56 in stock
Skin Type: Oily, Combination, Sensitive, Dry
Product Benefits: Refining, Radiant Skin, Repair
Scent: unscented
Special Ingredients: hyaluronic_acid
Brand: VT COSMETICS
72 in stock
Brand: SKIN1004
Item Weight: 125 Grams
Item dimensions: L x W x H 1.18 x 1.18 x 3.94 inches
Scent Coconut
Age Range (Description): Adult
81 in stock
Snail 96 mucin power essence
Skin Type All
Product Benefits Rejuvenate
Use for Face
Scent Unscented
Special Ingredients Snail Secretion Filtrate 96%
234 in stock
numbuzin No.5+ Vitamin Concentrated Serum is a highly effective vitamin brightening serum featuring key ingredients like glutathione, niacinamide, alpha-arbutin, and tranexamic acid. Glutathione is a powerful antioxidant that works in synergy with many vitamins to build a stable and effective antioxidant network that maximizes its effect. It is clinically proven to improve the appearance of outer-skin melanin, under-skin melanin, skin tone and brightness after just 2-4 weeks.
17 in stock
Reviews
There are no reviews yet