Olaplex - No 4P Blonde Enhancer Toning Shampoo - 250ml (COS) Day06 Double Wear is known to

Double Wear is known to oxidize slightly as it sets into the skin over the first 15 to 30 minutes

it stayed on better (even in the T-zone) without settling into fine lines

start with the wing shape first

dry feeling

Olaplex - No 4P Blonde Enhancer Toning Shampoo - 250ml (COS) Day06 Double Wear is known toOlaplex No 4P Blonde Enhancer Toning Shampoo (COS) What it is: A toning shampoo that strengthens, hydrates, and neutralizes brassiness while keeping hair hydrated from roots to ends. Hair Type: Straight, Wavy, Curly, and Coily Hair Texture: Fine, Medium, and Thick Hair Concerns: Dryness Color Safe Brassiness Highlighted Ingredients: Bis Aminopropyl Diglycol Dimaleate: Rebuilds broken and weakened bonds. What Else You Need to Know: This highly