Olaplex No. 4C sells on Amazon. I think the price is very good. Please read some of the reviews and see people thought of the product.**If you’re not sure whether to buy, add to cart, and you can come back to it later!**

LAPLEX® No.4C Bond Maintenance® Clarifying Shampoo is an advanced clarifying shampoo that removes buildup of damaging impurities from your environment, hair products, and daily life. Restores airy volume & softness, shine, and vibrant color clarity.