For Expats in Japan Is Japanese Hair Straightening Safe? A Hairstylist’s Honest Assessment
The honest answer is: yes, when done correctly on appropriate hair. And no, when done incorrectly or on hair that isn't ...
2026-05
For Expats in Japan 
Hair Care Tips 縮毛矯正と白髪染めは同時にできる？美容師が正直に解説
「縮毛矯正と白髪染めを同日にできますか？」結論から言うと、条件次第で可能ですが、順番とタイミングが非常に重要です。基本の順番：縮毛矯正が先縮毛矯正と白髪染めを同日に行う場合、順番は縮毛矯正 → 白髪染めが基本です。縮毛矯正の薬剤は酸化染料（...
For Expats in Japan Hair Straightening Damage: What’s Real and What’s Exaggerated
Hair straightening damage is real. It's also frequently exaggerated, and the factors that determine whether damage occur...
For Expats in Japan How Often Should You Straighten Your Hair? A Realistic Guide
The answer depends almost entirely on your hair type, the strength of your natural curl or wave, and how your hair grows...
Hair Care Tips Best Shampoo for Japanese Straightened Hair: What Actually Works
The shampoo you use after Japanese hair straightening matters more than most people realize. The wrong choice can cut re...
Hair Care Tips 縮毛矯正の頻度はどのくらいがベスト？美容師が正直に解説
「縮毛矯正はどのくらいの頻度でかければいいですか？」これはお客様から最もよく聞かれる質問の一つです。23年間・3万人以上の髪を担当してきた経験から、正直にお伝えします。縮毛矯正の効果はいつまで続くか縮毛矯正をした部分の髪は、半永久的にストレ...
For Expats in Japan Japanese Hair Straightening Aftercare: The Complete Guide to Long-Lasting Results
The most common reason hair straightening results don't last as long as they should isn't the treatment itself — it's wh...
Client Stories What 30,000 Clients Taught Me About Hair: Lessons from 23 Years in Tokyo
After 23 years and over 30,000 salon sessions in Tokyo, certain patterns emerge. Tokyo hairstylist Kenji shares the most important things he's learned about hair, home care, and what actually makes the difference.
Hair Care Tips 縮毛矯正当日はシャンプーしていい？当日・翌日・1週間の正しいケア
縮毛矯正当日にシャンプーをしていいか迷っていますか？当日・翌日・1週間以内のケア方法を正確に解説します。
For Expats in Japan Hair Straightening Before and After: Real Results from a Tokyo Salon
What does Japanese hair straightening actually look like before and after? Tokyo hairstylist Kenji explains what realistic results look like on different hair types — and what you should expect from your appointment.