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How much Olaplex No. 4 should you use per wash?
We recommend starting with a pea sized amount, adding more as needed for the length and thickness of your hair.
Is Olaplex No. 4 safe on all hair types?
Olaplex is for all hair textures and hair types whether chemically treated or not.
How often can you use Olaplex No. 4?
Olaplex No. 4 is formulated for daily or every wash use.
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