Unverified85% confidenceDecision RuleTime unknown
染烫后头发选pH4.5-5.0偏酸配方，酸性环境可收敛毛鳞片、锁住染料分子，延缓褪色速度
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified护毛素与洗毛液最好同品牌同系列配套使用，因洗毛液pH和表活体系会影响护毛素阳离子成膜——酸性洗毛液后用碱性护毛素易产生沉淀残留83% similarUnverifiedpH值宜落在4.5–6.0弱酸性区间，接近头皮天然pH（约5.5），可闭合毛鳞片减少毛躁；碱性洗发水（pH>7）虽清洁力强但长期使用易致发丝干涩，染烫发尤其忌讳82% similarUnverified洗发皂/固体洗发饼pH多在7-9呈碱性，长期使用碱性洗发皂易致头发毛躁，油性发质可接受，干性/受损发质应选pH5.5-6.5的低敏配方并搭配酸性护发素中和82% similarUnverified刷毛材质耐化学腐蚀性排序：PP＞尼龙＞天然鬃毛，接触强碱性除油剂应选PP毛刷，天然鬃毛遇碱易软化脱落77% similarUnverified毛发堵塞（浴室/地漏）应选含硫代硫酸钠或强碱+氧化剂的产品分解角蛋白，纯油脂类疏通剂对毛发溶解效果有限77% similar
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