UCOOLME Lash Bond & Seal waterproof lash glue for clusters — Black 10ml, hypoallergenic & leak‑proof

uCoolMe Lash Bond and Seal is a waterproof, two-in-one lash adhesive and sealer that secures lash clusters up to 150 hours with a gentle, non-irritating formula and upgraded leak-proof packaging.

Whether you're building a quick DIY lash set at home or finishing a professional look, this 10ml uCoolMe formula combines a black or white bond with a sealing finish for dependable hold and a natural feel. The new upgrade adds an airtight pipe and leak-proof cap to prevent drying and messy spills, while the hypoallergenic composition aims to minimize sensitivity for most users. Designed for lash clusters, the glue balances strong adhesion with softness, reducing clumping and flaking so lashes remain comfortable and flexible.

How long will uCoolMe Lash Bond and Seal keep my lash clusters in place?

With proper application and surface prep, uCoolMe is formulated to hold lash clusters for extended wear — advertised up to 150 hours. Actual wear time depends on skin type, oil exposure, and aftercare, but the waterproof seal helps maintain adhesion through daily activities.

• Up to 150 hours of designed hold under normal conditions
• Waterproof formula resists moisture from showers or swimming
• Sealing stage reduces lifting from the base

Is this glue safe for sensitive eyes and suitable for sleep or swimming?

uCoolMe's formula is described as hypoallergenic and non-irritating for many users, and it’s specifically positioned as sleep-safe and waterproof. Patch testing is recommended for anyone with known sensitivities, and avoid using on broken or inflamed skin.

• Hypoallergenic formulation to lower irritation risk
• Waterproof characteristics for active lifestyles
• Gentle finish that aims to prevent flaking and clumping

How do I use the two-in-one bond and seal for best results?

The product features a two-step concept: apply the bonding layer to attach clusters and follow with the seal to lock them in place. The upgraded airtight pipe and leak-proof cap preserve consistency so the glue dispenses reliably each time.

• Apply a thin line of bond to the lash band, wait a few seconds for tack
• Place lash cluster close to natural lash line, then press gently
• Seal with the finishing layer to reinforce the base and reduce lifting

What packaging improvements help prevent glue drying or leaks?

The 10ml bottle has been updated with an upgraded airtight pipe material and a leak-proof cap to protect the adhesive from air exposure and accidental spills. This preserves shelf life and keeps the nozzle clean for precise application.

• Airtight pipe material reduces air contact and clogging
• Leak-proof cap prevents spills during storage or travel
• Compact 10ml size balances longevity with easy handling

Who is this for: uCoolMe Lash Bond and Seal is suited to beauty enthusiasts who apply lash clusters at home and professionals who need a dependable, travel-friendly adhesive. It’s a good fit for people seeking a waterproof, long-wearing glue that minimizes clumping and offers a black bond for visible definition or a white bond for an invisible finish. If you have highly reactive eyes, perform a patch test before full application and consult a technician for sensitive-skin alternatives.