OLAPLEX No.4 Strengthening Shampoo - 525ml

The Olaplex No.4 Strengthening Shampoo hydrates and nourishes hair while cleansing. Formulated wit...

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Cult Beauty UKOLAPLEX No.4 Strengthening Shampoo 525ml
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Product Information

Full details

The OLAPLEX No.4 Strengthening Shampoo is designed for individuals dealing with hair damage from chemical treatments, coloring, bleaching, or heat styling who want to restore structural integrity to their strands. By utilizing patented bond-building technology, this shampoo effectively cleanses while repairing split ends and preventing future breakage, leaving hair soft and manageable without excessive weight; however, users should note that as a highly concentrated formula, it requires thorough rinsing to avoid potential residue.

All features

Model Part Number20250792
BrandOLAPLEX

Extended Product Information

FAQs

Is OLAPLEX No.4 safe for daily use?

Yes, it is formulated to be gentle enough for daily cleansing while providing ongoing bond repair.

Does this shampoo help with hair loss?

It is designed to prevent hair breakage and split ends, which can make hair appear fuller and healthier, though it is not a medicinal treatment for hair loss.

Can I use this on non-chemically treated hair?

Absolutely. It provides excellent moisture and strength for all hair types, even if you do not use heat or chemical treatments.

Is this product vegan and cruelty-free?

OLAPLEX is committed to high standards of ethical sourcing and is a cruelty-free brand.

How much product should I use per wash?

Because it is highly concentrated, start with a small amount about the size of a coin. You can always add more if needed based on your hair length.

Will this strip my toner or salon color?

No, it is color-safe and specifically designed to maintain the longevity of salon-applied color.

Troubleshooting

Hair feels heavy after washing

You are likely using too much product. Try reducing the amount to a dime-sized portion and ensure you are rinsing thoroughly for at least 30-60 seconds.

Hair feels tangled

Ensure you are using a conditioner specifically meant for hydration after the shampoo step, or consider using a detangling spray while hair is damp.

Lack of expected results

Repairing hair bonds takes time; ensure you are using the product consistently and consider pairing it with other items in the OLAPLEX range for a complete system.

Pros and Cons

Pros

  • Repairs damage caused by chemical and heat styling
  • Suitable for all hair types and textures
  • High-quality concentration lasts a long time
  • Protects color-treated hair from fading
  • Free from harsh ingredients that strip moisture

Cons

  • Requires thorough rinsing due to its rich, concentrated nature
  • May be more expensive than standard drugstore shampoos
  • Best results are achieved when used as part of the full OLAPLEX system

Setup, Compatibility & Care

To integrate this into your routine, simply replace your current daily shampoo. Because the product is highly concentrated, begin with a small amount and add water to create a rich lather. This shampoo is fully compatible with all hair types, including curly, straight, coily, and wavy textures. For optimal care, store the bottle in a cool, dry place away from direct sunlight to maintain the potency of the bond-building active ingredients. It is recommended to follow up with the No.5 Bond Maintenance Conditioner for maximum hydration and repair results.

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