Olaplex No.4P Blonde Enhancer Toning Shampoo Review

Maintaining a crisp ash blonde whilst living in France often means battling hard water that strips colour, making a reliable purple wash essential. The Olaplex No.4P Blonde Enhancer Toning Shampoo 250ml delivers a highly pigmented violet lather that swiftly neutralises stubborn brassiness. It leaves a subtle salon scent and restores noticeable softness to bleached strands, rather than leaving them brittle. The concentrated formula does require swift hand washing to avoid faintly lilac cuticles, but the resulting bright, cool-toned finish makes that minor extra effort entirely worthwhile.

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