No.3 Skin Softening Serum
98% botanical water serum that softens skin and preps it for layering.
About this product
Numbuzin No.3 Skin Softening Serum contains 98% skin-softening water derived from a blend of 43 botanical extracts and fermented ingredients. The ultra-light serum-toner hybrid delivers immediate hydration and long-term skin softness, helping subsequent skincare absorb more effectively. It is non-sticky, fragrance-free, and suitable for even the most sensitive skin. A favourite first step in any K-beauty routine.
Best for sensitive, dry, normal, combination, oily skin looking to address dryness, dehydration, dullness — with a focus on hydration.
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How to Use
- 1After cleansing and toning, apply 2–3 pumps to face and neck.
- 2Gently pat into skin until absorbed.
- 3Layer under moisturizer.
- 4Use morning and/or evening.
Product Claims
Common Allergens
Based on confirmed product attributes. Always check the full ingredient list for personal allergens.
Always check the full ingredient list if you have known allergies or sensitivities.
Routine Placement
Apply this serum & ampoule as step 5 in your routine.
Quick Stats
Key Ingredients
Ingredient Analysis
Disclaimer: Ingredient information is for educational purposes only and does not constitute medical or dermatological advice. Sources: EWG Skin Deep, EU CosIng, NIH PubChem.
pH Level
Slightly acidic — close to skin's natural pH (4.5–5.5). Gentle and generally well tolerated.
Dermatologist Note
The fermented ingredient base (fermented rice water) increases the bioavailability of actives by breaking them into smaller molecules that penetrate more effectively. Fermented extracts also have documented prebiotic effects on the skin microbiome.
Based on published clinical literature and dermatological research.
Ingredient Analysis
Disclaimer: Ingredient information is for educational purposes only and does not constitute medical or dermatological advice. Sources: EWG Skin Deep, EU CosIng, NIH PubChem.
Where to Buy
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Disclaimer: Information on this page is for educational purposes only and does not constitute medical or dermatological advice. Always patch test new products and consult a qualified professional if you have skin concerns. Skinuity does not sell any products. We provide affiliate links to third-party retailers and may earn a commission on qualifying purchases.