Usage: For eyelash extension product Mixing method: Mix in water (water-phase), avoid heat, Usage rate: 5-10% (do not exceed 10% because it will cause negative effects cause irritation The use level of 10% is the highest level for efficiency) Product characteristics: Clear, colored liquid ฟ้าอ่อน pH range 3.5-5.5 Solubility: soluble in water. Storage: If long-term storage is required. Store in a cool place 6-8°C, avoid direct sunlight, heat, seal the lid tightly, minimum shelf life. 1 year