Prolong Lash Eyeliner is an extension-safe liquid liner designed to deliver precise definition without compromising lash retention or eye comfort. Featuring rich black pigment with a smooth satin finish, the oil-free formula is created for safe use with eyelash extensions and daily wear.
The precision felt-tip applicator glides on effortlessly for controlled lines, from subtle definition to bold wings. Clinically evaluated for ocular tolerance and batch tested for microbiological quality, the formula is FDA and EEC compliant, providing confidence in both safety and performance.
Key Features & Benefits
• Extension-safe, oil-free liquid eyeliner
• Clinically evaluated for ocular tolerance
• Batch tested for microbiological quality
• FDA & EEC compliant formula
• Precision felt-tip for clean, controlled lines
• Long-wearing and smudge-resistant
Shipping Information
🚚 Free U.S. shipping on orders $125+ (standard shipping, before taxes and fees, after discounts)
⏰ Order by 1:30 PM Arizona time, Monday through Friday, and it usually ships the same day. Orders placed after 1:30 PM, on weekends, or on holidays ship the next business day.
📦 Delivery times (after your order ships):
- USPS Ground Advantage: 3-5 business days
- USPS Priority Mail: 2-3 business days
- UPS 2nd Day Air: 2 business days
- UPS Next Day Air: 1 business day
UPS doesn’t deliver on weekends or holidays, or to P.O. Boxes.
⚠️ Delivery dates are estimates, not guarantees. Weather and carrier delays can slow things down, and we can’t refund shipping if the carrier is late.
🛡️ Checkout+ (by Re:do) covers lost, stolen, or damaged packages, plus free returns and exchanges. It’s added at checkout, and you can remove it. Without it, any claim goes to the carrier directly.
🌎 International orders may have customs fees, which the buyer pays.
Return & Exchange
↩️ 14-day returns. Request a return within 14 days of delivery, then ship it back within 10 days of approval.
✅ Items must be unused, undamaged, and in their original packaging, with all lash strips in place.
🚫 Final sale: liquids (adhesives, cleansers, primers, bonders, removers), sale items, personalized or engraved items, subscriptions, gift cards, and digital products.
📦 Damaged, defective, or wrong item? Email us within 7 days of delivery with photos and order number and we'll make it right.
💸 Refunds to your original payment have a 10% restocking fee. Exchanges and store credit have no fee.
Disclaimer
Our products are exclusively designed for professional use and should only be purchased by licensed estheticians or cosmetologists. Please check with your state licensing board to confirm requirements in your area. All products available on this website are intended for professionals only. Improper application can lead to harm. Only individuals with appropriate training, in line with local laws and regulations, should apply these products. Do not attempt to use these products if you have not been properly trained.










































