24/04/2026
✨ Face Serum (Glow + Hydration) — Professional Version (100 ml)
💧 Formula
Distilled Water → 88.5%
Niacinamide → 5%
Sodium Hyaluronate (Hyaluronic Acid) → 0.3%
Glycerin → 3%
Phenoxyethanol → 0.8%
Disodium EDTA → 0.1% (optional but recommended)
Fragrance → 0.1% (optional)
⚙️ pH Target
pH: 5.0 – 5.5
🌟 Functions of the Serum
✨ Skin Brightening
Niacinamide helps improve uneven tone
Reduces dark spots & pigmentation
💧 Deep Hydration
Hyaluronic Acid + Glycerin act as powerful humectants
Pull moisture into the skin
🧴 Skin Smoothing & Plumping
Makes skin soft, smooth, and fresh
Gives mild anti-wrinkle / plumping effect
🛢️ Oil Control
Helps regulate sebum production
Suitable for oily & acne-prone skin
🔬 Pore Minimizing Effect
Improves skin texture → pores appear smaller
🛡️ Skin Barrier Support
Niacinamide strengthens skin barrier function
🧪 Method (Improved Simple Process)
Phase A (Base)
Add distilled water
Add EDTA → mix until dissolved
Add glycerin
Phase B (Hydration)
Pre-mix hyaluronic acid in a small amount of glycerin or water
Slowly add into main batch (avoid clumping)
Allow full hydration (1–3 hours if needed)
Phase C (Actives)
Add niacinamide → mix until fully clear
Phase D (Preservation)
Add phenoxyethanol
Add fragrance (optional)
Final Step
Adjust pH to 5–5.5 (citric acid / NaOH solution)
Mix gently
Fill into clean bottles
⚠️ Stability & Safety Tips
Avoid high temperature (>40°C)
Keep away from direct sunlight
Shelf life: 6–12 months (with proper hygiene)
Always do patch test before use
🌿 Best for:
Oily | Dry | Combination | Acne-prone skin