Niacinamide 20% Serum
Content: 0.03 l
- Brightening
- Moisturizing
- Smoothing
- Skin-refining
- Protective
Conveniently purchase on account
Free samples with every order
Your 10-step K-Beauty Routine
This product is part of the routine step 6/10: Serum & Face Oil
Product Details
Description
The TIRTIR Niacinamide 20% Serum is a highly effective serum with 20% Niacinamide, specifically developed to visibly brighten your complexion, hydrate, and refine skin texture. It helps to reduce hyperpigmentation, minimize large pores, and achieve an overall smoother, more radiant skin appearance.
Niacinamide in this high concentration has multiple effects: It helps to reduce skin discoloration, even out the complexion, and visibly refine pores. This effect is supported by Alpha-Arbutin and Glutathione – two powerful active ingredients that ensure an even skin tone and increased radiance. Retinol and Zinc PCA work together to smooth fine lines, refine skin texture, and maintain the skin's balance. A complex of various hyaluronic acids provides intense hydration, penetrating deep into the skin, plumping it up, and keeping it supple.
The serum absorbs quickly, leaves a pleasant skin feeling, and is therefore ideal as a daily skincare step – even under makeup. It has been dermatologically tested and is suitable for all skin types, including sensitive skin. It is particularly recommended if you want to improve an uneven, unbalanced complexion or counteract the first signs of skin aging.
Active Ingredients
Niacinamide (20%): reduces hyperpigmentation, refines pores, regulates sebum production
Alpha-Arbutin: promotes radiance, reduces hyperpigmentation
Glutathione: brightens, protects against external influences
Hyaluronic Acid (multiple): provides moisture, improves skin elasticity
Retinol: smooths fine lines, supports skin regeneration
Zinc PCA: improves skin condition, supports skin balance
For which skin types and concerns?
How does it solve my skin problems?
Ingredients
Product information
Manufacturer's address:
COSMETRADE SL
Jerez de la Frontera, Cadiz
Spain
info@cosmeservice.com
South Africa Avenue
11408
https://www.cosmeservice.com
TirTir
Shipping Conditions
Our items can only be delivered within the EU, Norway and Switzerland. This service is provided in Hamburg.
Shipping Costs (including statutory VAT)
Deliveries within Germany:
We charge a flat shipping fee of €3.95 per order. Parcels are shipped exclusively with our shipping partner DHL; deliveries to packing stations and post offices are also possible.
For orders over €39.99, shipping is free.
International Deliveries:
For orders over €59, we ship free of charge to Austria.
For orders over €99, we ship free of charge to all European countries in Zone 1 and Zone 2.
We calculate international shipping costs as follows:
Austria (€6.95)
ZONE 1 (€11.95): Belgium, Denmark, France, Luxembourg, Netherlands, Poland, Czech Republic
ZONE 2 (€12.95): Great Britain, Italy, Sweden, Slovakia, Slovenia, Spain, Finland
ZONE 3 (€13.95): Lithuania, Croatia, Romania, Hungary, Cyprus, Latvia, Malta, Estonia, Portugal, Ireland, Bulgaria, Greece
ZONE 3 Non-EU (€15.95): Switzerland, Norway
Delivery Time
Unless otherwise specified in the item description, goods are delivered within 1 - 3 days in Germany, and within 5 - 7 days for international deliveries, after order confirmation (for agreed prepayment, after the time of your payment instruction).
Please note that no deliveries are made on Sundays and public holidays.
If you have ordered items with different delivery times, we will ship the goods in a single consignment, unless we have made other arrangements with you. In this case, the delivery time will be determined by the item with the longest delivery time that you have ordered.
Delivery Period
For advance payments, the delivery period begins on the day after the payment order is issued to the transferring credit institution; for other payment methods, it begins on the day after the contract is concluded and ends with the expiry of the last day of the period. If the last day of the period falls on a Saturday, Sunday, or a public holiday recognized by the state at the place of delivery, the next working day shall take the place of such a day.
ACTIVE INGREDIENTS
HOW TO USE THE PRODUCT
OUR SERVICE PROMISE
At Lovemycosmetic, your well-being is our top priority – from product selection to the moment your package arrives.
Every order is carefully packaged, checked, and shipped quickly – free shipping from €39.99 and always with a small selection of free samples to introduce you to our extensive product range.
Our customer service team knows every product and is happy to help you find the right skincare – personally, honestly, and on equal footing.
This turns a purchase into an experience that is as thoughtful as the care itself.
Lovemycosmetic – for a shopping experience as reliable as the care itself.
THE MAGIC OF K-BEAUTY
K-Beauty stands for more than just skincare – it's a philosophy based on balance, mindfulness, and innovation.
Each product is the result of years of research, combined with the deep conviction that beautiful skin requires time, care, and respect.
The "magic" of K-Beauty lies in the combination of gentle, effective formulas and intelligent skincare routines.
Light textures, natural ingredients, and well-thought-out layering concepts give the skin what it truly needs – moisture, protection, and long-term strength.
Those who experience K-Beauty feel the difference: visible results, a healthy glow, and a moment of true self-care – day after day.
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F.A.Q.
How do I find the right skincare for my skin type?
Our product selection is curated so that you can filter specifically by skin type and skin need.
If you are unsure, our customer service will be happy to help you put together a suitable routine – personally and straightforwardly.
Because every skin is individual and deserves products that truly suit it.
Are the ingredients skin-friendly and safe?
All products are sourced from verified, trustworthy K-Beauty brands.
The ingredients are dermatologically tested and comply with European safety standards.
We prefer formulations that avoid irritating additives and instead rely on mild, natural active ingredients.
How do I use the products correctly?
K-Beauty is based on the principle of layering – multiple light skincare steps that complement each other.
Always start with cleansing, follow with watery textures (toner, essence), and finish with nourishing creams or sun protection.
This way, all products can unleash their maximum effect.
Are the products vegan or cruelty-free?
Many of our brands are vegan and all products are cruelty-free.
In each product description, you will find detailed information on ingredients and certifications.
Transparency is important to us – so you can care with a good conscience.
How long are the products good for?
The shelf life is indicated on each package and product page.
After opening, you should adhere to the recommended PAO ("Period After Opening") indication (e.g., 6M or 12M).
Make sure to store products in a cool, dry place, protected from direct sunlight.
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