4D silk fiber mascara tube

4D Silk Fiber Mascara

4.9 · 152 verified reviews
$13.95

Free tracked US shipping over $70. 30-day returns.

A double-ended silk fiber mascara - one end lengthens, one end thickens - built to hold through a full day without heavy clumping.

  • Two brush ends - one for length, one for thickness.
  • Silk fiber formula builds volume without heavy clumping.
  • Long-wearing - buyers report it holding through a full day.
  • Free tracked US shipping over $70, $8 below that.

Why buyers reorder it

One tube, two mascaras

Repeat purchases are common in the reviews - several buyers are on their third order, comparing it favorably to mascaras that cost far more.

01

Length or volume, your call

One end is built for lengthening, the other for thickening - use either alone or layer both for a fuller look.

02

Silk fiber, not just pigment

The fiber formula wraps and builds each lash rather than just coating it, which is what gives the visible length and thickness.

03

Holds through the day

Multiple buyers specifically call out that it stays put for hours without flaking - a common complaint with cheaper mascaras.

04

Easy to remove

Despite the hold, reviewers note it comes off easily with normal makeup remover - it isn't the stubborn kind that needs scrubbing.

Getting the most from it

Thin layers, let each one dry

The most common complaint - smudging - almost always traces back to applying too much at once.

Start with the lengthening end

Build your base coat first, brushing from root to tip in one motion.

Let it set before the second coat

Give the first layer a few seconds to dry before going back in - this is the single biggest fix for smudging.

Add volume sparingly

Switch to the thickening end for just the outer lashes if you want more drama without clumping in the center.

Separate while damp

If lashes stick together, a clean spoolie or the tip of a pin separates them cleanly before it fully sets.

The details

Specifications

Format Double-ended tube, two brushes
Formula Silk fiber
Color Black
Water resistance Water-resistant, not fully waterproof
Removal Standard makeup remover

What buyers say

Reviews from verified buyers

A sample of the 152 ratings on file, word for word.

4.9

152 verified reviews

5 ★ 138
4 ★ 9
3 ★ 5
2 ★ 0
1 ★ 0
★★★★★ 20 Oct 2025
This mascara fulfills its functions well. Sometimes the lashes tend to stick together, but with something sharp I manage to separate them. My lashes look thicker and longer.
N***t from Canada Verified buyer
★★★★★ 06 Jan 2026
Excellent mascara for the price. It increases volume and separates lashes well - it feels like it wraps around each lash and seals it.
O***k from Italy Verified buyer
★★★★★ 25 Nov 2025
According to the advertisement. I've bought before and it's very good. I really like this mascara, it delivers what it promises.
Verified buyer from Brazil Verified buyer
★★★☆☆ 09 Jan 2026
In general I liked the effect, but you need to wait for it to dry as it smudges a bit. I have used better mascara before.
3***r from Portugal Verified buyer
★★★★★ 30 Nov 2025
Beautiful mascara. It has two modes, lengthening and thickening. I highly recommend it because the product is truly high quality.
P***r from Poland Verified buyer
★★★★★ 10 Feb 2026
It's very similar to a well-known original brand and I will buy again - all my mascara works amazing no matter the brand.
K***y from Canada Verified buyer

Reviews come from verified purchasers of this product and are published unedited, including the critical ones. The average shown is calculated from the star ratings below, not supplied to us. Buyer names are shortened to protect their privacy. Photos were taken by the buyers themselves.

Before you buy

Straight answers

The two questions we hear most: does it smudge, and which end do I use.

Ask a question
Is it waterproof?

It's water-resistant, not fully waterproof - a few buyers noted it can smudge with heavy tears, sweat or rain. For everyday wear it holds up well; if you need true waterproof for swimming, this isn't that.

Which end should I use first?

Start with the lengthening end for your base coat, then use the thickening end on top if you want more volume. Using the thickening end alone, first, tends to pick up too much product for some buyers.

Why does mine smudge?

Almost always this comes down to applying too much at once, or a second coat before the first has dried. Thin layers, given a few seconds to set, fix most smudging complaints.

Does it clump?

Some buyers with the thickening end note lashes can stick together if too much product is applied - separate with a clean spoolie while it's still slightly damp.

How do I remove it?

Standard makeup remover works fine - it isn't formulated to resist normal removers, just to resist smudging during wear.