Sulfates can be harsh and strip your hair and scalp of natural oils, leading to dryness, and irritation, and can be problematic for those with sensitive skin or curly hair.
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Parabens
Parabens can disrupt hormone function and potentially be harmful. To be on the safe side, it's a good idea to look for paraben-free shampoos.
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Phthalates (Fragrance)
Phthalates are often used to stabilize the fragrance in shampoos are associated with health concerns and can be harmful when absorbed through the skin.
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Isopropyl Alcohol
Isopropyl alcohol is a drying agent that can strip your hair of its natural moisture, leading to dryness and frizz.
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Artificial colours
Artificial colours can be added to shampoos for aesthetic purposes. These synthetic dyes can cause allergies or irritations in some individuals.