IT Cosmetics

IT Cosmetics Tightline 3-in-1 Lash Primer Eyeliner & Black Mascara — Ultra-Skinny Wand, 0.12 fl oz

High-performance beauty made for confident daily results

£39.14

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Why customers choose Remedies Beauty

IT Cosmetics Tightline 3-in-1 delivers a black lash primer, ultra-precise tightline eyeliner and lengthening mascara in one ultra-slim wand.

Designed to sit at the base of each lash and deposit pigment where it matters, Tightline combines conditioning peptides with a precision brush to create the appearance of a fuller lash line and longer individual lashes. The formula blends collagen, biotin, peptides and antioxidants to help lashes look smoother and defined while a patent-style ultra-skinny applicator separates and coats hairs from the root.

How does Tightline act as a primer, eyeliner and mascara at once?

Tightline's concentrated black pigment lays down color between lashes—mimicking a tightline eyeliner—while the formula thickens and lengthens like a mascara. As a primer, it smooths and preps lashes for additional products or wears standalone for a clean, defined look.

  • Precision ultra-skinny wand places pigment at lash roots for instant tightlining
  • Peptide-enhanced formula helps lashes appear conditioned and less sparse
  • Buildable black coverage works alone or under a favorite mascara

Why is the ultra-skinny wand important for results?

The uniquely narrow brush reaches the first millimeter of each lash, an area many traditional brushes miss, which creates a denser-looking lash line and visibly separated lashes. That precision helps you coat individual hairs without clumping or smudging.

  • Separates and defines individual lashes for a natural, fanned effect
  • Reduces gaps along the lash line for a finished eyeliner look
  • Easy access to inner corner and lower lash line for detailed application

What key ingredients are included and what do they do?

Formulated with collagen, biotin, peptides and antioxidants, Tightline aims to create a conditioning, visibly improving finish rather than a purely cosmetic coating. These ingredients are chosen to leave lashes feeling smoother and looking more polished, with a glossy yet natural black finish.

  • Collagen: adds fullness and a smoother-looking lash texture
  • Biotin and peptides: help lashes look stronger and more resilient
  • Antioxidants: support a well-groomed appearance by protecting surface quality

How do you use Tightline for best effects on busy mornings?

Start by placing the slim wand at the base of your upper lashes and wiggle gently to deposit pigment between hairs; stroke upward to lengthen. Use a single quick swipe for a natural tightline or layer two to three coats for increased depth and length without clumps.

  • One swipe for subtle tightlining and root definition
  • Two–three light layers for added length and dramatic depth
  • Apply to lower lashes or inner corners with care for micro-detailing

Who is this for: Tightline is for anyone seeking a time-saving lash solution that merges precise eyeliner definition with lengthening mascara coverage, especially those who want a natural yet polished lash line. It suits users who prefer a detail-oriented applicator, people with sparse lash roots seeking fuller definition, and makeup lovers looking to streamline their routine without sacrificing a finished eye look.

Ingredients

AQUA / WATER / EAU, STYRENE/ACRYLATES/AMMONIUM METHACRYLATE COPOLYMER, BUTYROSPERMUM PARKII BUTTER / SHEA BUTTER, PROPYLENE GLYCOL, GLYCERYL STEARATE, DIMETHICONE, POLYBUTENE, PEG-100 STEARATE, POLYURETHANE-35, BEHENYL ALCOHOL, DIVINYLDIMETHICONE/DIMETHICONE COPOLYMER, PHENOXYETHANOL, GLYCERYL STEARATE CITRATE, DISODIUM ETHYLENE DICOCAMIDE PEG-15 DISULFATE, CAPRYLYL GLYCOL, GLYCERYL DIBEHENATE, GLYCERIN, DIMETHICONE/VINYL DIMETHICONE CROSSPOLYMER, AMMONIUM ACRYLOYLDIMETHYLTAURATE/STEARETH-8 METHACRYLATE COPOLYMER, BUTYLENE GLYCOL, POTASSIUM SORBATE, TRIBEHENIN, XANTHAN GUM, DIMETHICONOL, TOCOPHERYL ACETATE, CHLORPHENESIN, SODIUM LAURETH SULFATE, GLYCERYL BEHENATE, METHYLPROPANEDIOL, C12-13 PARETH-23, C12-13 PARETH-3, TETRASODIUM EDTA, T-BUTYL ALCOHOL, OLEA EUROPAEA FRUIT OIL / OLIVE FRUIT OIL, SIMMONDSIA CHINENSIS SEED OIL / JOJOBA SEED OIL, PANTHENOL, ISOPROPYL PALMITATE, ISOPROPYL MYRISTATE, PHENYLPROPANOL, HYDROLYZED WHEAT PROTEIN, HYDROLYZED CORN PROTEIN, HYDROLYZED SOY PROTEIN, STEARETH-20, ALOE BARBADENSIS LEAF EXTRACT, CITRIC ACID, CHLORHEXIDINE DIGLUCONATE, N-HYDROXYSUCCINIMIDE, SODIUM CITRATE, PALMITOYL TRIPEPTIDE-1, CHRYSIN, PALMITOYL TETRAPEPTIDE-7, BIOTIN [+/- MAY CONTAIN / PEUT CONTENIR, CI 77499 / IRON OXIDES] N295511/1

FAQ

Q: Can Tightline be used as an eyeliner on the waterline?

A: Yes, it can be applied to the upper waterline for tightlining; apply carefully and avoid direct contact with the eyeball.

Q: Is Tightline suitable for sensitive eyes?

A: Formulated with conditioning ingredients, many users with sensitive eyes find it comfortable, but patch testing is recommended.