6-in-1 Facial Serum – Hyaluronic Acid, Niacinamide & Vitamin C/E

Meet your new all-in-one skincare essential — the Ottilavie 6-in-1 All-in-One Facial Serum. This lightweight, fast-absorbing liquid serum layers six powerhouse actives into a single daily step, streamlining your routine without compromising results.

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Why You'll Love It

• Hyaluronic Acid – Draws moisture deep into the skin for long-lasting hydration and a plump, supple appearance.
• Niacinamide (Vitamin B3) – Helps visibly minimize the look of pores, balance uneven skin tone, and support a smooth, refined complexion.
• Vitamin C – A potent antioxidant that brightens dull skin and helps defend against environmental stressors for a radiant glow.
• Vitamin E – Works in synergy with Vitamin C to nourish and condition the skin barrier, leaving skin feeling soft and protected.
• All-in-One Formula – Six targeted benefits in a single bottle mean fewer products, less complexity, and more consistent results.
• Unisex & Versatile – Formulated for all skin types and genders; suitable for morning and evening routines.

Product Highlights

• Formulation: Liquid serum
• Gender: Unisex
• Shelf Life After Opening: 36 months
• Certification: CPNP (Cosmetic Products Notification Portal)
• No high-concern chemicals
• Made in Mainland China

How to Use

1. Cleanse and gently pat your face dry.
2. Apply 2–3 drops of serum to your fingertips.
3. Gently press and smooth onto face and neck.
4. Follow with your favourite moisturiser and, during the day, a broad-spectrum sunscreen.

Pair It With

For a complete skincare routine, explore these complementary products from our store:

• 0.3ml & 0.5ml Ampoule Head Cap Adapter for Hyaluronic Pen
• 0.3ml & 0.5ml Hyaluron Pen Ampoule Head Cartridge | Skin Care

Learn More About Skincare Ingredients

For science-backed information on skincare ingredients and skin health, visit the National Institutes of Health – PubMed Central: Niacinamide and Skin Health.

Learn more: Face washing

Frequently Asked Questions

Q: What skin types is the 6-in-1 Facial Serum suitable for?

A: The Ottilavie 6-in-1 Facial Serum is formulated for all skin types — dry, oily, combination, and normal. Its unisex, lightweight formula absorbs quickly without leaving a greasy residue, making it ideal for both morning and evening use.

Q: Can I use this serum with Vitamin C and Niacinamide together in one product?

A: Yes! The formula is specifically designed to combine Vitamin C, Niacinamide, Vitamin E, and Hyaluronic Acid in a single balanced blend. The ratio and formulation have been optimised so these actives work together harmoniously to brighten, hydrate, and smooth the skin.

Q: How long does one bottle last after opening?

A: The shelf life after opening is 36 months, giving you plenty of time to enjoy the full benefits of the serum without rushing through your supply.

Q: Is this serum CPNP certified?

A: Yes. The Ottilavie 6-in-1 Facial Serum holds CPNP (Cosmetic Products Notification Portal) certification, indicating it meets the cosmetic safety requirements of the European regulatory framework.