*Verdict: ⭐⭐⭐⭐⭐ (5/5)** If you're a highlighted blonde fighting the relentless battle against brassiness and dreaming of cool, ashy tones, Olaplex No. 4P is likely the solution you've been searching for. It truly is **fantastic** for maintaining that perfect, non-brassy blonde.
**Here's why it shines for ashy blonde maintenance:**
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1. **Exceptional Toning Power:** This isn't a subtle purple shampoo. No. 4P packs a serious punch of violet pigment. It effectively neutralizes unwanted warm, yellow, and orange tones like few others on the market. A single use leaves hair noticeably cooler, brighter, and significantly less brassy.
2. **Maintains Ash Perfection:** It's not just about *removing* brass; it's about *preserving* the ashy tone you (and your colorist) worked hard to achieve. Regular use (1-2 times a week) acts as a powerful maintenance tool, extending the life of your cool blonde color between salon visits and touch-ups.
3. **Olaplex Bond Building:** This is the magic ingredient (literally, Bond Building Technology) that sets it apart from most purple shampoos. While neutralizing brass, it's *also* helping to repair and strengthen the internal bonds in your hair damaged by lightening. This means healthier, stronger hair alongside better color – a rare and valuable combination. You're not just depositing color; you're actively improving hair integrity.
4. **Effective Yet Manageable:** While potent, it's generally easier to control than some ultra-strength purple shampoos notorious for turning hair gray or purple if left on too long. Follow the instructions (start with 1-3 minutes, adjust based on need), and you'll achieve beautiful ash without accidental over-toning.
5. **Improved Texture:** Unlike many pigmented shampoos that can feel stripping or drying, No. 4P lathers well and leaves hair feeling surprisingly clean, soft, and manageable. The bond-building likely contributes to this healthier
**How I Use It for Optimal Ashy Results:**
1. Use 1-2 times per week *max*, replacing my regular shampoo on those days.
2. Apply to *wet* hair, emulsify well, and distribute evenly. Pay extra attention to the most porous/brassy areas (often mid-lengths to ends).
3. **Start with 3-5 minutes** processing time. If brass is stubborn, I might go up to 8 minutes the *next* wash, but I'm cautious.
4. Rinse VERY thoroughly until the water runs clear.
5. **Always** follow with a deeply hydrating conditioner or mask – No. 5 is my go-to.
**Final Thoughts:**
Olaplex No. 4P Purple Shampoo is an **outstanding investment for ashy and cool-toned blondes**. Its powerful toning capability effectively banishes brassiness, while the signature bond-building technology actively works to repair lightening damage. This dual-action approach makes it far superior to most purple shampoos that only deposit color.
If your priority is maintaining a beautiful, cool, non-brassy blonde and keeping your highlighted hair as healthy as possible, **No. 4P is absolutely worth it. ** It's become a non-negotiable staple in my haircare routine, and the results speak for themselves – vibrant, cool-toned, ashy blonde that stays true. Highly recommended! Weniger lesenRead less about review stating Holy Grail for Blonde Maintenance
