Niacinamide 20% Serum
Niacinamide 20% Serum
Fenwick Summer Beauty Bag 2026

11-piece Beauty Bag - Worth £120+

Complimentary when you spend £95+ on two beauty items*

Niacinamide 20% Serum

Regular price £24.99
Regular price £0.00 Sale price £24.99
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  • Inventory on the way
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Why we love it

The Niacinamide 20% Serum by TIRTIR is a high-strength treatment designed to refine pores and improve overall skin tone. Lightweight and fast-absorbing, it works to enhance clarity and balance. A targeted step for a more even, radiant complexion.

Product Details
Product Features
  • How to Apply: During the essence step, take an appropriate amount and gently apply along the skin texture. Lightly pat into the skin to aid in absorption.
  • Formula: Serum
  • Skin Type: All Skin Types
  • Skin Concern: Dull Skin/Brightening
  • Travel Size: true
  • Item Number: A870385
Dimensions
  • Depth: 42
  • Height: 117
  • Width: 42
Ingredients
  • Ingredient List: Aqua/Water/Eau, Niacinamide, Glycerin, Butylene Glycol, Propanediol, Alpha-Arbutin, 1,2-Hexanediol, Hydroxyacetophenone, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Tromethamine, Glycereth-25 PCA Isostearate, Ethylhexylglycerin, Caprylic/capric Triglyceride, Macadamia Ternifolia Seed Oil, Zea Mays Kernel Extract, Disodium EDTA, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Hydrogenated Lecithin, Retinol, Hyaluronic Acid, Hydrolyzed Hyaluronic Acid, Sodium Hyaluronate, Brassica Campestris Sterols, Cholesterol, Polyglyceryl-10 Laurate, Phytosteryl/Behenyl/Octyldodecyl Lauroyl Glutamate, Aluminum/Magnesium Hydroxide Stearate, Pentaerythrityl Tetra-Di-t-Butyl Hydroxyhydrocinnamate, Polysorbate 60, Sorbitan Isostearate, Fructan, Potassium Cetyl Phosphate, Glucose, Chitosan, Tris(Tetramethylhydroxypiperidinol) Citrate, Glutathione, Zinc PCA
About TIRTIR

TIRTIR—Trust In Radiance—brings skincare and beauty together through thoughtful, results-driven formulations. Moisture-boosting polyglutamic acid, rice bran, centella and natto-derived ferments sit at the heart of the range, supporting comfort and luminosity. Discover bestsellers from Tirtir Milk Skin Toner to complexion favourites including Tirtir foundation and the Tirtir cushion foundation—inclusive and award-winning across Korea and Japan.

Delivery & Returns

Standard Delivery £5, or FREE on orders over £100 — Delivered in 3 working days*. Excludes weekend and Bank Holidays

Next Day Delivery (Order by 6pm) £8  Delivered next working day. Orders placed on Friday will be delivered on Tuesday. Excludes weekend and Bank Holidays

Nominated Day Delivery (Mon-Fri) £8  Choose a delivery date up to 7 days in advance. Excludes weekend and Bank Holidays

Click & Collect FREE on orders  Delivered within 3-5 working days. Excludes weekend and Bank Holidays

Furniture & Garden Furniture Delivery £19.95, or FREE on orders over £1,000 — Delivered within 7-10 working days. Excludes weekend and Bank Holidays. For pre-sale items please refer to timeline quoted at purchase. Find out more

Barker & Stonehouse Delivery £29 — Delivered within 10 working days of coming into stock. Find out more

Heal's Furniture Delivery £79 (Large items) — Furniture and other large items from Heal’s are delivered via their specialist delivery service for a fixed fee of £79.00.

Once your order is ready for delivery, Heal’s delivery partner will contact you directly to arrange a convenient delivery date. For UK mainland addresses, a delivery date is usually offered within 14 days of your order becoming available.

Please note that free returns do not apply to Heal’s products. Return charges may apply.

For full details, please see the Heal’s Returns Policy here.