How Does Olaplex Hair Treatment Work?
2021-9-6 · Scientifically, there's no need for a 3-step system. One could simply apply No. 1 (diluted to 15%) or No. 2 (already 15% in bottle) or No. 3 (already 12.5% in bottle) individually and repeatedly. In fact, Olaplex states that it's fine to use each step individually and …
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