A licensed stylist who sells neither treatment compares them: what each one does inside the hair, how they grow out, where the formaldehyde rules actually stand in 2026, and what both cost.
Can you tie it? Tuck it behind your ears? What if it gets wet? A straightening specialist answers the first-72-hours questions — and how to fix mistakes.
A straightening specialist explains why touch-up advice ranges from 2 to 12 months, how to work out your own interval, and the one question to ask your…
Tsubaki repairs damage. &Honey adds moisture. They are not the same problem — here is the strand test that tells you which one your hair actually needs.
Ichikami is light and clarifying. Tsubaki is medium-weight and repairing. One question decides which you need — and why buying both actually makes sense.
A straightening specialist’s guide to what to wash with afterwards — the 72-hour rule, why sulfates fade your treatment, and 4 shampoos that are safe…
The Japanese Nanocare needs a 3,000W transformer to run in the US. Panasonic’s US nanoe models don’t. Which Japanese hair dryer actually makes sense —…
Which Japanese shampoo fixes a damaged scalp barrier? Sulfate-free picks for dry, oily, flaking and reactive scalps — plus how to tell if yours is the…
The 4 best Japanese shampoos for curly hair, tested for frizz control. Plus which conditioner to pair with each — the step most curly-haired shoppers…
5 Japanese sulfate-free shampoos compared — BOTANIST, DEMIKI, ONSENSOU, Margaret Josefin — plus how to read a Japanese ingredient label and find sulfate-free at a drugstore in Japan. Updated September 2026.