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Description
Ingredients
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*Ingredients may vary slightly due to formula updates by brands. Please consult packaging for most accurate list of ingredients
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Frequently Asked Questions
Lanza Strait-Line Smoothing Shampoo is formulated with Lanza's proprietary Healing HairCare complex, which includes conditioning agents and smoothing polymers designed to help relax frizz and create a sleek finish. The shampoo is sulfate-free and contains plant-derived ingredients to cleanse without stripping hair of natural oils.
Yes, Lanza Strait-Line Smoothing Shampoo is formulated to be color-safe and gentle on treated hair. Its sulfate-free formula helps preserve color vibrancy while cleansing. For best results, we recommend using the matching Strait-Line conditioner as part of your hair care routine.
Lanza Strait-Line Smoothing Shampoo is designed to be gentle and sulfate-free, making it suitable for most scalp types. However, if you have a particularly sensitive scalp or known allergies to specific ingredients, review the full ingredient list or perform a patch test before full use. If irritation occurs, discontinue use and consult a dermatologist.








