Benefit Cosmetics Mighty Fine Brow Pen tip 4-warm-deep-brown

The Mighty Fine Brow Pen is a precision brow tool designed for effortless, natural-looking fullness with a single stroke. In the 4-warm-deep-brown variant, this 0.5 mL pen helps you sculpt and define brows with a trifecta of fine lines that mimic real hair for a believable, long-lasting effect.

What customers want from a brow pen is clear definition that lasts through the day. This product delivers: a 24-hour* longwear performance, high satisfaction for filling sparse areas, rich color, and brows that look defined. The result is a polished brow line that stays put from morning to night. Shake it up and flick onto clean, dry brows for your own MIGHTY Fine moment.

Key benefits

• Draws on 3 superfine lines in 1 stroke to create a natural, hair-like finish
• 24-hour* longwear performance helps brows stay defined all day
• High user satisfaction for filling sparse areas
• Rich color payoff that enhances brows without looking like makeup
• Guided use by aligning the pen so all 3 tips face brows straight on for precise application

Ingredients and what they do

• AQUA (WATER) — the base for smooth, even application across brows
• BUTYLENE GLYCOL — helps the formula glide on and set evenly
• DIPROPYLENE GLYCOL — contributes to consistent coverage with minimal clumping
• TITANIUM DIOXIDE — provides color opacity for a richer brow look
• AMMONIUM STYRENE/ACRYLATES COPOLYMER — helps hold color in place on brows
• ALCOHOL — assists product dispersion and fast drying on brows
• CHARCOAL POWDER — adds depth and definition to brow lines
• SODIUM POLYASPARTATE — helps maintain smooth texture during application
• PHENOXYETHANOL — preservative to help maintain product integrity
• POLYGLYCERYL-10 MYRISTATE — acts as a slip agent for an even glide
• PVP — provides hold and helps the color set in place
• PENTYLENE GLYCOL — supports smooth application and even distribution
• Disodium EDTA — helps stabilize formula performance
• XANTHAN GUM — thickener to keep color where you place it
• SIMETHICONE — helps the texture feel lightweight on skin

Usage tips and suitability

• Usage: Shake! Hold the brush perpendicular to brows to get the finest lines. Flick upwards onto clean, dry brows for a defined finish.
• Best for: anyone seeking natural-looking brow fullness with a lasting, defined shape.
• Safety: For external cosmetic use only. If irritation occurs, discontinue use and consult a physician. Keep out of reach of children.
• Storage: Store upright to protect the brush tips and preserve performance.

The product’s measured claims include instrumental testing on 25 participants and self-evaluations by 111 participants after one week, confirming the 24-hour longwear and color richness cited above.

Note: Ingredient lists are updated periodically. Always read the packaging before use to verify ingredients are suitable for your personal needs.

If you’re comparing brow pens, expect quick delivery of natural lines, easy filling of sparse areas, and a defined brow silhouette that holds through wear.

Inclusive of the product size, this variant comes in a 0.5 mL format designed for travel-friendly use and precise control.