Product Overview:
The Numbuzin No.5 Vitamin Concentrated Serum is a potent brightening serum crafted to target hyperpigmentation, dark spots, and uneven skin tone. It features a blend of 4% tranexamic acid, 5% niacinamide, glutathione, and vitamin C to gently yet effectively fade discoloration and boost radiance. Clinically tested to improve skin tone by 18.90% and reduce dark spots by 9.65% in 4 weeks, it’s suitable for all skin types including sensitive and acne-prone. 

Available Size:

• 30 ml

Key Benefits:

• Brightens and evens skin tone using tranexamic acid, glutathione, and niacinamide 

• Helps reduce visible dark spots and post-acne marks 

• Provides antioxidant defense to protect skin from free radical damage

• Soothes and hydrates skin with panthenol and ceramide NP 

• Lightweight, non-greasy formula safe for daily use 

How to Use:

1. After cleansing and toning, apply 2–3 drops onto your face and neck.

2. Gently pat or massage until fully absorbed.

3. Follow with moisturizer and sunscreen (in daytime).

4. Use daily, morning and night, for best results.

FAQs:

• Is it suitable for sensitive skin?
  Yes — the formula is hypoallergenic and has undergone irritation testing.

• How long until I see results?
  Clinical data shows noticeable improvement in skin tone and dark spots within 4 weeks.

• Can I layer it with other actives or serums?
  Yes, but avoid using it simultaneously with strong exfoliants. Space layering wisely.

• Does it leave a sticky finish?
  No — the texture is designed to absorb without stickiness. 

• Is it safe to use during pregnancy?
  Because it contains ingredients like tranexamic acid and high-strength actives, I recommend checking with your dermatologist before use during pregnancy or breastfeeding.