Treatment · 4 min read

What to Expect at a Keratin Smoothing Appointment

Apr 22, 2026

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From patch test to final rinse — a full walkthrough of the process, timing, and aftercare rules. Your appointment starts with a patch test if it's your first treatment, followed by a wash, application of the smoothing formula, a flat-iron seal, and a final rinse. Plan for two to three hours in the chair. Afterward, avoid washing or tying your hair back for at least 48 hours, and expect noticeably reduced frizz and styling time for up to four months.