Can you use Olaplex on dark hair?

Related questions

1. Does Olaplex reduce frizz?
2. Is Olaplex good for your hair?
3. Can I leave Olaplex 3 on my hair overnight?
4. Is Olaplex a bleach?
5. How long does Olaplex treatment last?
6. Can you add Olaplex to toner?
7. Is it OK to sleep with Olaplex?
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Tags

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5. #quicker
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7. #brunette
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9. #exclusively
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12. #chemically
13. #certainly
14. #olaplex
15. #reserved