"E01’s dual-seal formula combines waterproof film + oil-absorbing polymers to lock pigment:

Tested for 12hr wear by oily eyelid users in 35°C humidity
Zero transfer to upper lid (unlike gel pencils)
Maintains sharp edges without feathering
💡 Pro Tip: Prep lids with matte primer if extremely oily."

2. Can Beginners Achieve Perfect Winged Liner with E01’s Brush Tip?

"The flexible 0.3mm fiber brush creates foolproof wings via:

"Bend & Flick" technique (requires 50% less pressure vs stiff tips)
Angled side edge guides wing symmetry
Ink flow adjusts to speed—slow = thin, fast = bold
⚠ Note: Cap tightly after use to prevent drying."

3. Is E01 Truly Gentle for Contact Lens Wearers & Sensitive Eyes?

"Ophthalmologist-tested with hypoallergenic pigments that:

Passed 72hr irritation tests on reactive skin
Free from parabens, fragrances & carbon black
pH-balanced (5.5) to match tear film
✨ Viral Hack: Line only above lash roots if extremely sensitive."