Hello
Its okay to switch shampoo like but on regular interval like if you have oily scalp, use a clarifying shampoo once a week and oaque shampoo for routine cleansing
Fine hair and oily scalp goes hand in hand and switching shampoo every week would dry up those fine strands
Also hair shampoos doesn't have little role in hair growth but you can use a good volumizing shampoo or sprays to get a bouncy look
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