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The combination of alum and coconut oil is amazing. Alum contains active ingredients that reduce bacterial and fungal infections. Coconut oil has antibacterial and antifungal properties, which have a positive effect on hair. It also acts as a moisturizer for the hair.
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The combination of alum and coconut oil is effective in reducing the problem of gray hair to some extent. To blacken white hair, first, take alum and coconut oil and mix them together. It is very helpful in the darkening of hair.
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Coconut oil also helps in maintaining the color of the hair. Even if you apply both together, the hair will remain black. Using alum and coconut oil together will eliminate the problem of dryness of hair.