Unverified75% confidenceDecision RuleTime unknown
染前一天不洗头，头皮自然油脂形成保护膜可降低刺激和过敏风险；但染前若有大量头屑油污则会阻碍上色均匀
1
Sources
75%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
Related Claims
Unverified干性或中性头皮不建议长期使用主打强控油（如高浓度酸类/强清洁）的洗发水，会破坏头皮屏障导致敏感、头皮紧绷脱屑83% similarPartially Verified纯精油不可直接涂抹皮肤，必须用载体油稀释至安全浓度后才能使用，否则可能引发皮肤刺激或过敏82% similarUnverified头皮清洁频率不宜过高，油性头皮每周2-3次、干性/敏感头皮每周1次为宜；每天使用会破坏头皮屏障导致越洗越油80% similarUnverified头皮屏障受损或脂溢性皮炎发作期，不建议使用含高浓度香精/精油/薄荷醇的'清凉舒缓'型无硫酸盐洗发水，刺激成分可能加重刺痛脱屑；应选无香精、通过皮肤科测试(dermatologically tested)的极简配方79% similarUnverified染烫发、头皮屑严重或脂溢性皮炎人群不建议用碱性冷制洗发皂，碱性会加剧掉色和头皮屏障损伤，应选氨基酸洁面或药用洗剂79% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/374804API
curl https://kongchang.com/api/v1/knowledge/claims/374804MCP
get_claim(id=374804)