By far the best quality shampoo for your hair that I've ever used

Olaplex is the best conditioner I have ever used, period

This is the best shampoo I have ever used

But after about 2-3 weeks of only using #4 shampoo & #5 conditioner my hair went back to frizz and lacked the luster I was hoping for.

the best conditioner i have ever used

This is probably one of the best conditioners I have ever used

I've had no irritation to my scalp using this product

Since using this conditioner, my hair is not burning off

One of the best conditioners I’ve ever used to heal my hair

This is the worst product I’ve ever used on my hair

I debated it for a while, mostly because of price and it being so small but let me tell you just one use made my hair soft as butter... best shampoo and

My hair is shiny and silky from the first use, that's the best thing I've ever used.

This is by far the best product I've used

I do feel like Olaplex 5 has to be used with the rest of the set, for it to work

After using this brand my hair is nourished, healthy and strong!

The best shampoo I have used to date

This conditioner, hands down, is the best conditioner I have ever used.

This is the best and use in conjunction with the shampoo

Continued use has improved the condition of my hair drastically!

Also caused skin itch when used in the shower

It’s definitely one of the best conditioners I have ever used.

The absolute BEST restorative hair conditioner I’ve ever used

This is the best product I have ever used that did exactly what it is supposed to and more.

Started using, and every day for the month that I used it WADS of hair were falling out

This is by far the best conditioner I have ever used that makes my hair feel healthy and does not have a greasy look to it !

(75-90% most days!)After using these two products my hair is just laying super soft and smooth!

Since using this product, I have hardly any hair left in the drain - not like before, and I love to feel my hair

Works best with the shampoo but any can be used with any shampoo.