[06] NUMBUZIN - NO.5 VITAMIN CONCENTRATED SERUM 30ML

A high-potency brightening serum infused with multiple vitamin derivatives and calming ingredients to tackle hyperpigmentation, dullness, and uneven skin tone while supporting barrier health.

Suitable for Skin Type:

• Normal to dry skin

• Dull, uneven skin tone

• Sensitive skin (formulated to reduce irritation common with Vitamin C)

• Not ideal for acne-prone or oily skin if very sensitive to thicker textures

What Will It Achieve?

• Brightens the complexion and fades dark spots

• Provides antioxidant protection against free radical damage

• Smooths skin tone and boosts radiance

• Hydrates and reinforces the skin barrier

Key Ingredients:

• Ascorbyl Glucoside (Vitamin C derivative) – Stable and gentle brightening agent

• Niacinamide – Enhances brightness, reduces pigmentation, and supports skin barrier

• Glutathione – Potent antioxidant to reduce melanin production

• Panthenol (Vitamin B5) – Hydrating and soothing

• Adenosine – Improves skin elasticity and smooths texture

• Ceramides – Strengthen and restore skin barrier

• Allantoin & Centella Extract – Calm sensitive or irritated skin

Best Used Morning or Evening Routine?

• Both AM and PM

• If used in the AM, follow with broad-spectrum SPF

• Can also be used before bed for overnight brightening effect

Complimented By:

• Hydrating toners with centella or rice extract

• Barrier creams with ceramides or peptides

• Gentle exfoliators (used in separate routine) to aid ingredient penetration

• SPF during the day to prevent new pigmentation

Avoid Layering With:

• Strong acids (AHA/BHA) in the same routine

• Retinol or retinoids (use on alternate nights)

• Avoid layering with other strong Vitamin C actives (e.g., L-ascorbic acid)

Which Step in the Skincare Routine Does It Belong?

• After toner or essence

• Before moisturizer and SPF

Caution (Things to Be Aware Of):

• Gentle Vitamin C derivative, but sensitive users should patch test

• Slight warming or tingling is normal but should not burn

• Vitamin C products require consistent use to see visible results

• Oxidation can occur over time — store in a cool, dark place

Instructions (How to Use):

1. After cleansing and toning, apply 2–3 drops to face

2. Gently pat into skin until absorbed

3. Follow with moisturizer

4. Use daily, morning and/or night

5. Always apply SPF during the day when using brightening products