I am not sure I have seen any growth aides that have worked. People swear by megatek but no one seems to say what happens when you stop. Vitamins are nice but I cannot say that my hair grows because of it. Plus I have been taking them for years so. As for your hair growth I would not worry about it just yet. My hair grows a lot in the summer and very little in the winter.
Hair Type: 3c/4a/4b, fine, normal porosity

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