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.

How did we do?

What is Salicylic Acid?

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