The frequency of Kerastase keratin treatment largely depends on your hair’s texture, health, and goals. People with naturally frizzy, curly, or coarse hair will notice better results and require more frequent treatments to keep hair smooth. Those with fine or straight hair may find the results last longer, needing fewer touch-ups. Generally, treatments should be done every 3-6 months, but this varies based on your hair care routine and lifestyle.


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