Why choose Hikakai?
| Hikakai | Others | |
|---|---|---|
| Ph | 4.5–5.5 (matches scalp) | 8–10 (alkaline: disrupts scalp) |
| Oil stripping | Removes dirt/excess oil, preserves protective oils | Strips ALL oils indiscriminately |
| Foam | Moderate, creamy foam | Aggressive lather |
| Scalp irritation | None | Common (dryness, itching, tightness) |
| Color fading | Preserves color | Accelerates color loss |
| Long-term effect | Strengthens hair over time | Weakens follicles over time |
| Biodegradable | 100% biodegradable | Poor biodegradability |