OlaplexOlaplex Healthy Hair Discovery Set: Nº.4, 5, 0.5, 6, 7 Value Set | Cleanse, Hydrate, Reduce Breakage, and Boost Shine & Softness | For Coily, Curly, Straight, and Wavy£23.00Price checked 16 September 2026View on Amazon UK→Opens Amazon UK. We may earn a commission.