Numbuzin No.5 Vitamin Boosting Essential Toner - No.5

The toner can be used twice daily, in the morning and evening, after cleansing.

Yes, the toner is formulated to be non-irritating and is suitable for sensitive skin. However, always perform a patch test first.

Apply a small amount to a cotton pad and gently swipe across the face and neck, or pat directly into the skin with your hands.

With regular use, a 200ml bottle should last for several months.

Rinse immediately with plenty of water. If irritation persists, consult a healthcare professional.

Yes, but it's important to introduce new products gradually and monitor your skin's response. Avoid using with highly irritating products without proper consultation.

Check the product packaging for the expiration date. Once opened, it is generally recommended to use within 12 months.

Reduce the frequency of use or discontinue use and consult a dermatologist if the issue persists.

Ensure consistent use over several weeks. Results may vary, and patience is key. Consider using in conjunction with other recommended skincare steps.