Numbuzin No.5 Serum has quickly become a favourite in the UK beauty scene, earning the trusted “Amazon’s Choice” badge and selling 600+ bottles each month. With a blend of Glutathione and Vitamin C, this Korean skincare product tackles hyperpigmentation, acne scars, uneven skin tone, and sensitivity without irritation—making it ideal for those seeking visible results and gentle care.
Why Numbuzin No.5 Serum Is Amazon’s Choice
- Evens skin tone and fades dark spots for a brighter, more unified complexion.
- Lightweight, non-sticky texture absorbs fast, suitable for morning and evening routines.
- Gentle formulation ideal for sensitive skin and daily use; it won’t cause redness or irritation.
- Makes skin feel smooth, plump, and glowy.
Personal Experience & User Feedback
Fans praise the serum for its ability to eliminate fresh acne scars and reduce pigmentation with regular application. Many reviewers note visible improvements within weeks, including a brighter complexion and fewer dark spots. For sensitive skin types, the formula stands out for being gentle yet effective. Users highlight that the serum doesn’t feel sticky, layers well under other products, and keeps skin hydrated throughout the day.
Some users report it delivers the best results on newer blemishes, noting that older scars and sunspots may require longer use. Repurchase rates are high, with plenty of UK customers stocking up on the serum for their daily routine.
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More Top Products from Numbuzin
Discover Numbuzin’s standout formulas—each tailored to a different skin concern but all sharing a dedication to gentle, visible results.
Numbuzin No.3 Super Glowing Essence Toner
- Hybrid toner/essence packed with niacinamide and galactomyces ferment filtrate.
- Firms, hydrates, and improves texture for a “K-beauty glow”.
- Lightweight and great for all skin types, especially dull or dehydrated skin.
Numbuzin No.6 Deep Sleep Mask Serum
- Overnight hydration booster featuring ceramides and peptides.
- Repairs skin barrier, plumps, and smooths for a refreshed look by morning.
- Suitable for dry or tired skin and remarkably gentle.
Numbuzin No.9 NAD+ BIO Lifting-sil Essence
- Targets cell turnover and collagen production for plumper, firmer skin.
- Smooths fine lines and brightens overall tone, perfect for more mature skin.
- Provides a lifting effect along the jawline and solid value for money.
Numbuzin No.1 Easy Peasy Face Cleansing Oil
- Gently removes waterproof makeup, excess sebum, and blackheads.
- Macadamia and corn oils minimise irritation and deliver lasting hydration.
- Leaves skin soft, clean, and balanced with zero sticky residue.