Professional Brow Booster Serum, Gentle Eyebrow Care Serum for Daily Brow Nourishing, 4ml, 1 Piece Per Set Product Specification: Net Volume: 4ml, 1 bottle included per set.Precise Applicator Brush: The slim delicate brush head easily reaches every corner of your eyebrow area, allowing you to apply the serum evenly and accurately without waste.Lightweight Gentle Formula: The thin, smooth texture fits closely to your skin, leaving no sticky residue and creating no extra burden on your brow skin.Compatible with Brow Makeup: You can use this serum alongside your favourite eyebrow pencils, powders and other brow cosmetics, and it will not affect your finished makeup effect. Flexible Daily Usage: Suitable for both morning and nighttime skincare routines, perfect for daily home use, travel and office touch-ups to keep your brow area well-nourished. For external use only. Never ingest this product. Avoid direct contact with eyes, mouth, broken, irritated or sensitive skin.If the serum accidentally enters your eyes, rinse your eyes thoroughly with plenty of clean water right away.If you have sensitive skin, perform a small patch test on your inner wrist before first use. Stop using immediately and wash the treated area if redness, itching, swelling or any allergic discomfort occurs.Keep the bottle tightly sealed after each use. Store in a cool, dry, well-ventilated place, away from direct sunlight, high temperatures and heat sources.Keep this eyebrow serum out of reach of infants, young children and pets to prevent accidental swallowing or misuse.Discontinue use if you notice any changes to the liquid’s colour, unusual odour or signs of deterioration.