South Korean brand Numbuzin continues to deliver functional, skin-type-specific formulas with its clinically driven approach. The brand's recent launches No.5 Vitamin Boosting Essential Toner, No.1 Pantothenic B5 Active Soothing Serum, and No.1 Pantothenic B5 Active Soothing Cream are designed to support barrier health, reduce breakouts, and enhance overall radiance. Backed by science and formulated with sensitive skin in mind, these products have been praised for both efficacy and elegance in formulation.

✨ No.5 Vitamin Boosting Essential Toner

Brightening, Antioxidant-Rich, and Hydrating

If you're seeking a toner that goes beyond simple hydration, the No.5 Vitamin Boosting Essential Toner is a multi-functional powerhouse. It’s particularly suitable for those dealing with uneven skin tone, dark spots, or post-acne hyperpigmentation.

Key Ingredients :

Niacinamide (50,000ppm) : A proven brightening agent that also supports the skin barrier and controls sebum.

3-O-Ethyl Ascorbic Acid & Pure Ascorbic Acid : Stable derivatives of Vitamin C that offer antioxidant protection and boost collagen synthesis without the irritation commonly associated with ascorbic acid.

Arbutin & Glutathione Liposome : Further brighten the skin and help suppress melanin production.

Peptides (Argireline, Hexapeptide-9, Matrixyl 3000) : Deliver mild anti-aging benefits, improving skin elasticity and reducing fine lines.

Texture & Performance :

This toner has a slightly viscous consistency somewhere between a watery essence and a gel toner. It absorbs quickly and leaves the skin feeling hydrated and supple without any sticky residue. Its vitamin-rich formula gives the skin a soft, healthy glow with continued use.

Notable Features :

Fragrance-free

Alcohol-free

Vegan-friendly

Low pH (around 5.5), making it ideal for sensitive skin

Best For : Dull, uneven, or hyperpigmented skin; those looking for a toner that hydrates while actively working on skin tone correction.

💧 No.1 Pantothenic B5 Active Soothing Serum

Sebum-Regulating, Barrier-Repairing, Non-Sticky Hydration

This serum is part of Numbuzin’s No.1 soothing line, designed specifically for acne-prone, oily, and sensitive skin types. The standout feature here is the high concentration of Vitamin B5 (Panthenol), a compound known for its calming, moisture-retentive, and barrier-supportive qualities.

Key Ingredients :

10% Galvanic Pantothenic Acid : A highly bioavailable form of Vitamin B5 that regulates oil production, reduces inflammation, and accelerates skin healing.

Niacinamide : Included to brighten post-acne pigmentation and further regulate sebum.

Beta-Glucan : A soothing, anti-inflammatory ingredient that improves skin resilience.

Allantoin & Madecassoside : Additional calming agents that help reduce redness and sensitivity.

Texture & Performance :

The serum has a lightweight, watery-gel texture that sinks in almost instantly. Despite its potency, it does not sting or tingle upon application. It layers seamlessly under sunscreen or moisturizers and doesn't pill. Users have noted a significant improvement in whiteheads, congestion, and oil control over time.

Notable Features :

Fragrance-free

Ethanol-free

Vegan

pH-balanced to match skin

Best For : Acne-prone, oily, or sensitized skin in need of calming care without compromising on actives.

🧴 No.1 Pantothenic B5 Active Soothing Cream

Barrier-Strengthening, Lightweight Hydration With Clinical Results

Designed to pair with the No.1 Serum, this cream acts as the final step in sealing moisture and locking in all the benefits of the B5 line. It’s particularly helpful for skin that is breaking out, over-exfoliated, or experiencing environmental stress.

Key Ingredients :

Pantothenic Acid (Vitamin B5) : Hydrates, soothes, and improves the skin’s moisture barrier.

Lactobacillus Ferment & Green Tea Extract : Deliver microbiome support and antioxidant defense.

Madecassoside, Asiaticoside : Active compounds from Centella Asiatica that calm redness and support wound healing.

Clinical Claims :

Reduces whiteheads, blackheads, and active acne by up to 60.54%.

Provides hydration that lasts up to 130 hours, thanks to its water-binding humectant blend.

Texture & Performance :

Despite being intensely hydrating, the cream feels incredibly light on the skin, almost like a gel-cream hybrid. It absorbs quickly, making it suitable even for morning use under SPF. It doesn't clog pores or feel heavy, which is rare for a barrier-focused cream.

Notable Features :

Fragrance-free

Not vegan (contains animal-derived ingredients)

Non-comedogenic

Best For : Oily, acne-prone, or combination skin dealing with irritation, breakouts, or a compromised barrier.

🧪 Final Verdict

Numbuzin’s approach to skincare continues to impress with targeted formulations that cater to real skin concerns. Each product in this trio offers something unique :

The No.5 Vitamin Boosting Essential Toner is ideal for skin tone refinement and daily antioxidant support.

The No.1 B5 Serum delivers powerful results for inflamed, oily, or acne-prone skin while staying gentle and lightweight.

The No.1 B5 Cream seals the deal literally providing long-lasting hydration without clogging pores or overwhelming oily skin types.

These products work beautifully together in a routine, but each can also stand alone depending on your needs. For those who struggle with post-acne marks, dehydration, or excess oil, this line offers a well-rounded, fragrance-free solution that doesn’t compromise on texture or results.