No.6 Deep Sleep Mask Serum for Overnight Hydration
numbuzin No.6 Deep Sleep Mask Serum is an intensive overnight treatment designed to replenish moisture and revive tired-looking skin while you sleep. Combining the benefits of a serum and sleeping mask, this lightweight formula forms a breathable moisture barrier that locks in hydration throughout the night without feeling heavy or sticky. Wake up to skin that feels softer, smoother and noticeably more radiant.
Infused with glacier water, multiple forms of Hyaluronic Acid, Niacinamide, Panthenol and botanical extracts, this serum delivers long-lasting hydration while helping strengthen the skin’s natural moisture barrier. Its concentrated watery texture absorbs quickly and is suitable for all skin types, especially dry, dehydrated and dull complexions.
Benefits of This Overnight Mask Serum
- Provides deep overnight hydration.
- Helps restore dry and dehydrated skin.
- Strengthens the skin’s moisture barrier.
- Leaves skin soft, smooth and refreshed.
- Absorbs quickly with a non-sticky finish.
- Suitable for nightly use.
No.6 Deep Sleep Mask Serum Key Ingredients
Glacier Water & Hyaluronic Acid
Glacier water and multiple forms of Hyaluronic Acid work together to replenish moisture, improve skin comfort and maintain hydration throughout the night.
Niacinamide
Niacinamide helps brighten dull-looking skin, improve uneven skin tone and support a stronger skin barrier for a healthier-looking complexion.
Panthenol & Botanical Extracts
Panthenol, Aloe Vera, Chlorella and plant extracts help soothe the skin while providing antioxidant support and long-lasting comfort.
Sleeping Mask Technology
The concentrated watery formula creates a lightweight moisture layer that helps prevent overnight moisture loss, allowing skin to wake up looking plump, hydrated and refreshed.
Who Is It Best For?
- Dry and dehydrated skin.
- Dull or tired-looking skin.
- Sensitive skin.
- Normal and combination skin.
- Overnight hydration.
- Anyone wanting glowing, healthy-looking skin.
How to Use No.6 Deep Sleep Mask Serum
After cleansing and toning, apply 2–3 pumps evenly over the face as the final step of your evening skincare routine. Gently pat until absorbed. For extra hydration, apply a second thin layer before bedtime.
- Use after toner and serum.
- Apply every evening.
- Spread evenly across the face.
- Layer if additional hydration is needed.
- Leave on overnight and rinse as normal in the morning.
Complete Your Nighttime Routine
This overnight mask serum helps replenish moisture, improve skin texture and restore a healthy glow while you sleep, making it an ideal final step in your evening skincare routine.
Browse our Skincare Collection.
Complete your routine with our Professional Serums Collection.
Learn more about healthy skin at Healthdirect Australia.




