Explore Iconic Hardener Collections

From timeless classics to modern breakthroughs—discover what Hardener has in store.

Ronseal 35305 High Performance Wood Filler - White 550g

4.5

UKStore

$209

Sally Hansen Hard As Nails®, Natural Tint, Nail Strengthener, Nail Protectant

4.5

USAStore

$53

Nail Strengthener Protein for Damaged Nails: Gelike EC 8 in 1 Natural Nail Hardener Extra Strong and Growth - Long Lasting Nail Repair for Damaged Nails - Nail Growth Oil for Daily Work Home Salon

3.8

USAStore

$112

The Extreme Nail Hardener 8 ml

UKStore

$30

TotalBoat 5:1 Epoxy Resin Kit (Quart, Slow Hardener), Marine Grade Epoxy for Fiberglass and Wood Boat Building and Repair

4.5

USAStore

$664

PC Products PC-Petrifier Water-Based Wood Hardener, 32 oz, Milky White 324448

4.6

IndiaStore

FREE

UPol U-Pol S2031/1 Extra Fast Hardener/Activator For Paint & Primers 1 Litre Tin Ideal For Spot & Panel Repairs

4.5

UKStore

$300

Galitoon Cooking Oil Solidifier, Plant-Based Oil Solidifier Powder Hard Up to 15 Cups, Mess-Free Oil Hardener for Disposal,Cooking Oil Hardener Solidifies, Grease Solidifier Powder 5.29 Oz

4.5

UAEStore

$207

Haksons Ultra Clear All Purpose Epoxy Resin and Hardener, Crystal Clear Resin for DIY Art & Crafts, Jewelry Making, River Tables, Cast Coating Wood, Easy-to-Cast Resin, 650g

3.9

UAEStore

$191

Bondo Cream Hardener, 2.75 oz, All-Purpose for Interior or Exterior, Use with Bondo All-Purpose Putty or Bondo Wood Filler, Repairs Drywall, Metal, Masonry, Painted Wood, Plastic, and More (20058)

4.4

USAStore

$186

Rock Solid Paint Hardener (4 Gallon Pail)

4.6

USAStore

$1,129

Teexpert Epoxy Resin Crystal Clear Kit 1 Gallon High-Gloss Coating and Casting Resin, Self-Leveling Bubbles Free Resin and Hardener Kit for DIY Art, Jewelry, Table Top, Molds, Wood 1:1 Ratio

4.7

UKStore

$1,339

LaSyL Natural Cooking Oil Solidifier Powder, Harden Up to 2.25 Gallon of Fry Oil Away from Mess, 100% Plant-Based Oil Hardener for Disposal, Value Pack 12 Oz

4.4

USAStore

$140

PattexPower Epoxy Clear Resin Hardener (22ml)

3.6

UAEStore

$100

WEICONCasting Resin MS 1000 | 200 g | Transparent | Epoxy resin for casting with hardener

4.0

UAEStore

$76

NUMIXMS 700 Clear Coat FAST - 1 Liter + Hardener (0.5 Liter) Specially Designed for Automotive by National Paints

UAEStore

$246

7 ArtistsTextile Reinforcer Transparent – Fabric Stiff Textile Hardener / Textile Stiffener 500 ml – Fabric Stiffener for Cotton, Wool, Denim, Silk, Linen, Frost and Water Resistant

UKStore

$48

3 Bottles Quimica Alemana Nail Hardener Strengthener Polish Treatment 0.47 oz

4.7

USAStore

$227

EvercoatFibreglass 359 Cream Hardener - Blue - 4 oz. Keg

4.7

UAEStore

$210

RonsealWet Rot Wood Hardener 250ml (304445)

4.7

UKStore

$80

MYK LATICRETE SP-100 Stain Free Epoxy Grout for Floor & Wall (89 Smoke Grey) 5kg (Hardener : 350g Resin : 900g & Filler 3.75g)

IndiaStore

$844

ARALDITE Standard Epoxy Adhesive (Resin 1kg + Hardener 800g) 1.8kg - SUPER SAVER PACK

4.4

IndiaStore

$289

JAY ENTERPRISES LIQUID SILICONE RUBBER HARDENERS (SLOW CURING) 50GRM PACKING SUITABLE FOR LSR-2,LSR-220,LSR-225

4.0

IndiaStore

$46

Sally Hansen Diamond Strength Instant Nail Hardener, 13.3ml

4.4

IndiaStore

$205

MBEPOXY Epoxy Resin - Crystal Clear Resin Kit for Jewelry DIY Art Crafts Cast | Easy to Use and Non-Toxic Formula High Gloss Intense Shine | 750gm-Tabletop Resin & 250gm -Hardener

3.4

IndiaStore

$43

CRAFT RESIN 1L Epoxy Resin Kit - Crystal Clear Resin Kit & Hardener for DIY Art, Moulds Casting Resin, Wood, Jewellery Making, Coasters, Table Top, Countertop Coating - Food Safe, Heat & UV Resistant

4.6

UKStore

$2,449