PH Balance: 4.0-5.0 How to Use 1. After using Olaplex N°4 Bond Maintenance Shampoo, apply a generous amount from scalp to tip. 2. Leave on for three minutes, then rinse. When to Use: Formulated for daily/ every wash use. DEA Free — Aldehydes Free — Formaldehyde Free All Hair Types Vegan Nut Free Gluten Free Cruelty Free Sulfate Free Paraben Free Phthalte Free Phosphate Free PH Balanced:
