If you're a K18 fan (or just starting to explore the science-backed hair repair line), this week is your chance to save big. We've scanned all stores on TajPrice and found the products with the wildest price gaps – some up to 20% difference between the cheapest and most expensive seller. That means you could be paying way more than you need to. Here are the top picks where comparing prices pays off the most.
K18 - Peptide Detox Shampoo 250ml
This detox shampoo is a must for anyone who uses heavy styling products or has excess oil buildup. The price spread is a whopping 20.1% – from 32,630 IQD to 39,194 IQD. That's nearly 6,500 IQD you can save just by clicking the right store. Perfect for a deep clean without breaking the bank.
K18 Leave-In Repair Hair Mask - 50ml
The leave-in repair mask is a cult favorite for reversing damage from bleaching and chemical treatments. Available at only 2 stores, the price jumps from 53,625 IQD to 64,125 IQD – a 19.6% spread. If you've been eyeing this, now's the time to grab it at the lower price.
K18 HeatBounce Conditioning Heat Protectant - 118ml
With Resilicore™ technology protecting against heat up to 232°C and UV rays, this heat protectant is a summer essential. It's sold at 4 stores with a spread of 18.3% (49,500–58,548 IQD). Check all options before you buy – you could save over 9,000 IQD.
K18 Damage Shield Ph Protective Shampoo , 250 ml
This pH-balanced shampoo is designed for chemically treated hair. The price difference between its two sellers is 16.5% (32,630–38,000 IQD). A quick comparison on TajPrice can save you more than 5,000 IQD.
Leave-In Molecular Repair Hair Mask
The full-size molecular repair mask (50ml) is a powerhouse for restoring broken bonds. It's available at 3 stores, ranging from 61,750 IQD to 71,500 IQD – a 15.8% spread. Don't pay the premium if you don't have to.
K18 Leave-in Molecular Repair Hair Mask - 15ml
For those who want to try before committing, the 15ml version has a 12.3% spread (42,525–47,750 IQD). Still a decent saving of over 5,000 IQD.
Other K18 products worth checking this week include 
K18 Biomimetic Hairscience Future Faves Minis (11.1% spread), 
K18 Damage Shield Conditioner (10.7%), 
K18 Leave-In Consumer Hair Mask - 5ml (10.3%), and 
K18 pH Optimized Color Safe Shampoo - 250ml (9.7%). Even smaller spreads mean real savings when you compare.
Remember: prices change weekly. This data is for July 17–24, 2026. Always check TajPrice before you buy any K18 product – your wallet will thank you.