Olaplex No. 4 Bond Maintenance Shampoo 100ml

Olaplex No 4 Bond Maintenance Shampoo 100ml is a bond-building shampoo from the USA that helps strengthen and repair hair structure damaged by chemical treatments, heat styling, and environmental stressors. This clarifying yet conditioning formula works to restore the internal architecture of each strand while gently cleansing, making it particularly useful for anyone dealing with colour-treated, bleached, or frequently heat-styled hair that needs reinforcement without weighing strands down.

What makes Olaplex No 4 Bond Maintenance Shampoo 100ml different

Olaplex No 4 Bond Maintenance Shampoo 100ml is a bond-maintenance shampoo that uses patented bis-aminopropyl diglycol dimaleate to seek out and help repair broken disulfide bonds in hair structure. This ingredient is the same technology found in professional salon treatments, working at a molecular level to reconnect the sulphur bonds that give hair its strength and elasticity. Unlike traditional shampoos that simply clean the surface, this formula penetrates the shaft to help restore integrity from within, reducing breakage and improving resilience with each wash.

The gentle surfactant system cleanses without stripping natural oils, while glycerin helps maintain moisture balance. This combination means you get the benefits of bond repair without the typical dryness associated with clarifying or strengthening shampoos, which is especially important in Bangladesh's humid climate where heavy, coated hair can feel uncomfortable and look flat.

Who it suits

• Colour-treated or bleached hair that feels porous, brittle, or prone to breakage
• Hair damaged by frequent heat styling, straightening, or blow-drying
• Chemically processed hair including perms, relaxers, or rebonding treatments
• Fine to medium hair that needs strengthening without added weight or residue
• Previously damaged hair that has been cut but still shows weakness along the lengths
• Hair that tangles easily or feels rough to the touch

Those with very dry, coarse, or tightly curled hair textures may find this formula too lightweight for their needs, and anyone with a sensitive scalp should patch test first to ensure tolerance to the bond-building agents.

How to use it

1. Wet hair thoroughly with lukewarm water and apply a quarter-sized amount of Olaplex No 4 Bond Maintenance Shampoo 100ml to the scalp
2. Focus application on the roots and scalp area, where oil and product buildup typically accumulate
3. Massage gently for 30-60 seconds, allowing the lather to work down the lengths as you rinse
4. Rinse thoroughly and follow with conditioner, leaving the second wash for your next wash day if hair is very dry
5. Use 2-3 times per week as part of a regular routine; daily use may be too frequent for most hair types

What to expect over time

Like all bond-building treatments, results develop gradually with consistent use. Reduced breakage and improved elasticity typically become noticeable within 4-6 weeks of regular washing. Hair may feel slightly different immediately after switching — often lighter and less coated — which reflects the absence of heavy silicones or oils that can mask damage temporarily. For best results, pair with the Olaplex No 5 Bond Maintenance Conditioner and protect hair from excessive heat styling, especially during Bangladesh's intense summer months when hair faces additional environmental stress from humidity and UV exposure.

Check on Delivery: Inspect the product carefully when you receive your order. Packaging can vary between batches while the product remains the same original item.

Storage: Store in a cool, dry place away from direct sunlight. Keep out of reach of children. Check expiry date on packaging before use.

Patch Test: If you have sensitive skin, apply a small amount to your inner wrist and wait 24 hours before full use. Stop use if irritation occurs.