Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon Olaplex Shampoo No. 4 1L by Olaplex Save 0% $115.50 SKU HC60154 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon Notify me when back in stock Email address Email me when available