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BEAUVOIR Professional Hair Extensions

Genius (Micro) Weft 20" 80g Single Donor Virgin - #18 Dirty Blonde

Used by over 12,000 licensed extension professionals nationwide.

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Most stylists use 2 wefts for optimal length and fullness.

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Beauvoir genius weft – 20” Single Donor Virgin in color #18 Dirty Blonde

A study in muted refinement. At extended length, Single Donor Virgin hair reveals its greatest strength—total continuity, fluid movement, and elevated softness. The ultra-thin Genius Weft construction maintains invisibility even in long silhouettes.

Beauvoir’s controlled curing environment ensures perfect polyurethane performance, resulting in a soft, durable, consistent weft.

Color #18 Dirty Blonde is a cool, smoky-beige blonde—muted, refined, and softly diffused, with a distinctly editorial finish.

The 20-inch Beauvoir Genius Weft contains approximately 80 grams of hair per pack. Each pack includes 2 × 20” wefts (40” total weft per pack), delivering polished fullness with a long, natural fall.

Key Features

  • Single Donor Virgin hair for ultimate purity and continuity
  • Genius Weft construction: ultra-thin, flexible, ideal for stacking or fine hair
  • 80 grams per pack for refined, seamless density
  • one pack includes 2 × 20” wefts (40” total per pack)
  • produced in-house for uncompromising QC and consistency
  • highest-grade polyurethane on the market
  • 20 layers of polyurethane for superior softness and edge integrity
  • controlled humidity and temperature for ideal polyurethane curing
  • ventilated production floor to reduce VOC exposure
  • available in multiple lengths across the Beauvoir collection
  • color #18 Dirty Blonde: smoky, cool, muted beige blonde with modern refinement
  • made from the top 10% healthiest hair in the world
  • sourced entirely from one donor for flawless strand harmony
  • tested for pH, porosity, moisture content, tensile strength, and strand diameter
  • colored with pure pigment and warm-water processing for lasting tone and integrity
  • ethically sourced, naturally aligned cuticle hair

Shipping

Each Beauvoir order is prepared with precision and care, ensuring that every detail arrives in perfect form. Complimentary standard shipping (3–5 business days) within the US is included on all orders over $100.

For those who prefer a swifter delivery, expedited shipping options are available at checkout for an additional charge.

Care, Performance & Limitations

Beauvoir extensions are a professional product and must be installed by a licensed stylist. Performance and longevity depend on proper installation, maintenance routines, and the use of compatible, extension-safe haircare products. Normal wear, changes in texture, and variations in tone can occur over time. Improper care, harsh products, excessive heat, or incorrect installation can contribute to dryness, tangling, or reduced longevity. By purchasing Beauvoir hair, you agree to follow our care instructions and to review them with your client.

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GENIUS WEFT

Ultra-thin perimeter. Maximum flexibility.

A refined weft designed for seamless blending.
Thin enough to disappear. Strong enough to cut anywhere without unraveling.

Key Features
• Ultra-thin seam
• Can be cut without shedding
• Minimal return hair
• Flexible structure
• Lightweight density control

What Makes This Genius Weft Different

• Strength without bulk
• Seam integrity after cutting
• Top 10% healthiest donor hair
• Controlled manufacturing for proper weft curing

Installation Methods

• Sew-in
• Bead foundation with stitch