Is it safe to use with Night Water?

Amanda Hercules Updated by Amanda Hercules

We recommend using them on alternate days. So if your using ENW that evening, use an original hydro-star. Hydro-star + salicylic acid already has a treatment/active so we don't want to over do it with both.

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What is Salicylic Acid?

Why can I only use these 1-3 times per week?

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