Explore dermatologist-style patch tests, PPD-free and ammonia-free routines, and no-mix grey blending.
Is PPD-free right for me? Start with a 24-hour patch test; if you’ve reacted to oxidative dyes before, PPD-free/no-mix systems can reduce irritation risk.
How often? Weekly touch-ups keep tone even while fade stays soft with no harsh demarcation lines.
Best Hair Dye for Grey Hair with Sensitive Scal...
If you have grey hair and a sensitive scalp, choosing the right hair dye matters. This guide explains PPD-free, ammonia-free options and how to get natural-looking results safely.
Best Hair Dye for Grey Hair with Sensitive Scal...
If you have grey hair and a sensitive scalp, choosing the right hair dye matters. This guide explains PPD-free, ammonia-free options and how to get natural-looking results safely.
Why Hair Dye Works Differently Each Time | Gent...
Hair dye can behave unpredictably—darker one time, lighter the next, or quick to fade. Learn why results vary and how gentle PPD-free, ammonia-free systems create more consistent, scalp-friendly grey coverage.
Why Hair Dye Works Differently Each Time | Gent...
Hair dye can behave unpredictably—darker one time, lighter the next, or quick to fade. Learn why results vary and how gentle PPD-free, ammonia-free systems create more consistent, scalp-friendly grey coverage.
灰发染发剂选购清单：不含对苯二胺 (PPD)、不含氨，适合敏感头皮
使用这份简易清单，选择不含对苯二胺 (PPD)、不含氨、气味低的染发剂，轻松打造自然白发。了解标签上的选购技巧、如何进行 24 小时皮肤测试，以及敏感头皮何时应该选择遮盖白发还是全覆盖。
灰发染发剂选购清单：不含对苯二胺 (PPD)、不含氨，适合敏感头皮
使用这份简易清单，选择不含对苯二胺 (PPD)、不含氨、气味低的染发剂，轻松打造自然白发。了解标签上的选购技巧、如何进行 24 小时皮肤测试，以及敏感头皮何时应该选择遮盖白发还是全覆盖。
Inochroma免混合配方的工作原理
探索 Inochroma 的免调配、不含 PPD 、不含氨的色素如何自然地融合白发——快速、低气味地补染发根，适合敏感头皮，效果专业逼真，并可选择使用增效剂来遮盖顽固白发。
Inochroma免混合配方的工作原理
探索 Inochroma 的免调配、不含 PPD 、不含氨的色素如何自然地融合白发——快速、低气味地补染发根，适合敏感头皮，效果专业逼真，并可选择使用增效剂来遮盖顽固白发。
