---
product_id: 1678381
title: "Tightline 3-in-1 Black Eyeliner + Primer + Lengthening Mascara | Conditioning Peptide-infused Mascara for Fuller Lash Line, Ultra-skinny Wand for Lower Lashes, with Proteins + Antioxidants"
brand: "it cosmetics"
price: "$56.85"
currency: USD
in_stock: true
category: "It Cosmetics"
url: https://www.desertcart.us/products/1678381-tightline-3-in-1-black-eyeliner-primer-lengthening-mascara-conditioning
store_origin: US
region: United States of America
---

# ultra-skinny wand for precise root-to-tip coating peptide-infused formula with proteins + antioxidants 3-in-1 eyeliner + primer + mascara Tightline 3-in-1 Black Eyeliner + Primer + Lengthening Mascara | Conditioning Peptide-infused Mascara for Fuller Lash Line, Ultra-skinny Wand for Lower Lashes, with Proteins + Antioxidants

**Brand:** it cosmetics
**Price:** $56.85
**Availability:** ✅ In Stock

## Summary

> 🖤 Define, lengthen, and condition—lash game elevated to legendary status!

## Quick Answers

- **What is this?** Tightline 3-in-1 Black Eyeliner + Primer + Lengthening Mascara | Conditioning Peptide-infused Mascara for Fuller Lash Line, Ultra-skinny Wand for Lower Lashes, with Proteins + Antioxidants by it cosmetics
- **How much does it cost?** $56.85 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/1678381-tightline-3-in-1-black-eyeliner-primer-lengthening-mascara-conditioning)

## Best For

- it cosmetics enthusiasts

## Why This Product

- Trusted it cosmetics brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Buildable Intensity:** Layer up effortlessly for a fuller, thicker lash line or a dramatic, eye-catching look.
- • **All-in-One Lash Power:** Combines eyeliner, primer, and mascara for bold, defined lashes in one sleek step.
- • **Lash-Loving Peptide Formula:** Infused with conditioning peptides, proteins, and antioxidants to strengthen and protect lashes.
- • **Precision Ultra-Skinny Wand:** Revolutionary wand targets each lash from root to tip for maximum length and separation.
- • **Dermatologist & Plastic Surgeon Approved:** Formulated with expert insights for safe, skin-friendly wear on all skin types.

## Overview

IT Cosmetics Tightline 3-in-1 is a black, waterproof mascara that doubles as an eyeliner and primer. Featuring an ultra-skinny wand for precise root-to-tip application, it deposits rich pigment between lashes for a fuller, thicker lash line. Infused with peptides, proteins, and antioxidants, this dermatologist-approved formula conditions lashes while delivering buildable volume and length.

## Description

desertcart.com: IT Cosmetics Tightline 3-in-1 Black Eyeliner + Primer + Lengthening Mascara | Conditioning Peptide-infused Mascara for Fuller Lash Line, Ultra-skinny Wand for Lower Lashes, with Proteins + Antioxidants : Beauty & Personal Care

## Features

- WHY YOU’LL LOVE IT - This all-in-one lash primer, eyeliner, and mascara enhances your lashes with rich black pigment for bold definition. Its ultra-skinny wand starts coating your lashes at their actual roots for effective results
- BENEFITS - This black mascara primer lengthens and defines lashes as it deposits pigment between every lash for instant tightline eyeliner effect and the appearance of a fuller, thicker lash line
- GROUNDBREAKING SKINNY WAND - Unlike typical brushes, this skinny wand coats lashes from the root up, separating individual lashes for maximum lash lengthening and defining precision
- INGREDIENTS - Developed with plastic surgeons’ insights and dermatologists’ ingredient and skincare expertise, this formula features lash-loving peptides, proteins and antioxidants
- HOW TO USE - Starting at the root, hold the wand horizontally, wiggle and sweep from base to tip. Fill gaps by pressing along upper lash roots for a tightline eyeliner effect. Wear alone or under mascara; add additional coats for more drama

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00BXL10Y0 |
| ASIN  | B00BXL10Y0 |
| Best Sellers Rank | #11,258 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #122 in Mascara |
| Brand Name | IT Cosmetics |
| Color | Black |
| Container Type | Tube |
| Coverage | buildable |
| Customer Reviews | 4.4 4.4 out of 5 stars (1,790) |
| Global Trade Identification Number | 00817919010576 |
| Is Discontinued By Manufacturer  | No |
| Item Dimensions | 4.72 x 0.79 x 4.72 inches |
| Item Form | Liquid |
| Item Volume | 0.12 Fluid Ounces |
| Item model number  | SG_B00BXL10Y0_US |
| Manufacturer | IT Cosmetics |
| Manufacturer  | IT Cosmetics |
| Manufacturer Part Number | S5299703 |
| Model Number | SG_B00BXL10Y0_US |
| Number of Items | 1 |
| Package Type Name | Tube |
| Product Benefits | The power is in the groundbreaking ultra-skinny wand, which starts coating your lashes at their actual roots for revolutionary lash-changing results! |
| Product Dimensions  | 4.72 x 0.79 x 4.72 inches; 0.32 ounces |
| Skin Tone | Deep, Fair, Medium |
| Skin Type | All |
| Specialty | Antioxidants |
| UPC | 817919010576 |
| UPC  | 817919010576 |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** IT Cosmetics
- **Color:** Black
- **Item Form:** Liquid
- **Specialty:** Antioxidants

## Images

![Tightline 3-in-1 Black Eyeliner + Primer + Lengthening Mascara | Conditioning Peptide-infused Mascara for Fuller Lash Line, Ultra-skinny Wand for Lower Lashes, with Proteins + Antioxidants - Image 1](https://m.media-amazon.com/images/I/51excoK4OTL.jpg)

## Questions & Answers

**Q: is this the waterproof version? Thank you**
A: no -- it is not waterproof.   I really like this mascara -- not clumpy or "spider eyes" looking.....   it's a nice natural looking finish on your lashes.

**Q: where are these mascara manufacted?**
A: Most IT products are manufactured either in China or Korea.

**Q: I'm confused, do I need to use another mascara to get a black color on my eyelids?**
A: it Tightline mascara is a black color...

**Q: Do you get one tube or 2?**
A: It is listed as 1 tube.

## Frequently Bought Together

- IT Cosmetics Tightline 3-In-1 Lash Primer, Eyeliner & Black Mascara - Lengthens & Conditions Lashes - Ultra-Skinny Wand - Infused With Collagen, Biotin, Peptides & Antioxidants - 0.12 fl oz
- IT Cosmetics Superhero No-Tug Retractable Eyeliner - All-Day Wear, Waterproof Formula Won’t Smudge - With Avocado Oil, Chamomile Extract, Vitamin E & Carnauba Wax - 0.008 oz
- IT Cosmetics Brow Power Eyebrow Pencil - Universal Shades - Long-Lasting, Budge-Proof Formula - With Biotin - Natural-Looking Brows - Built-in Spoolie Brush

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.us/products/1678381-tightline-3-in-1-black-eyeliner-primer-lengthening-mascara-conditioning](https://www.desertcart.us/products/1678381-tightline-3-in-1-black-eyeliner-primer-lengthening-mascara-conditioning)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-24*