Is it really waterproof?

Yes. The wax-based formula resists water and sweat, so it holds through humid days and light rain. Use an oil-based remover to take it off.

Does it curl lashes without a curler?

The curved wire wand lifts lashes as it coats them, so many users skip the curler. Straight lashes get the most benefit.

How many coats should I apply?

One or two coats give clean volume. More than that, or applying before the first coat dries, tends to clump.

Will it work on short or sparse lashes?

It can, but the curved wand is easier on longer lashes. Wiggle it at the root and use the tip for the outer corners.

Use an oil-based makeup remover or cleansing balm. Soak a pad, hold it on the lashes a few seconds, then wipe gently.

Does it flake or smudge?

Most users report no smudging, but some see light flaking after a full day. Let each coat dry before adding another.

Where is the 4D Curly Iron Waterproof Mascara cheapest?

At Deal.ai, for $27.98, as of our latest check.

4D Curly Iron Waterproof Mascara

Sold and shipped by Deal.ai

$27.98Free shipping

Color: Default

Arrives about Nov 14–23, from a US warehouse

No returns for change of mind. If it arrives damaged or isn't what you ordered, or never arrives, report it within 30 days and we refund you in full.

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Price facts

Last seen at $27.98 at Deal.ai on Nov 10.

Our take on the 4D Curly Iron Waterproof Mascara

This is a waterproof volumizing mascara built around a curved, wire-brush wand that lifts and curls lashes as it coats them. Brazilian palm wax and stearic acid form the base, giving a thick, buildable coat that resists smudging and water. It suits people who want dramatic volume and hold without a curler, and it competes with drugstore waterproof volumizers on curl and wear rather than on clean, natural definition. Expect a heavier, clump-prone look if you layer it fast.