Why Lash Serums Often “Don’t Work
Lash serums rarely fail because they don’t work.More often, they fail because expectations move faster than biology. This article explores why lash serums are frequently dismissed too early — and...
Noticeable improvements in just 4 weeks. Up to +80% volume, +67% thickness, and +75% length after 8 weeks of regular use.
Backed by clinical testing. Loved by women who demand results.
For maximum length and fast results
QUABROW works by activating the natural brow growth process.
The patented growth formula, powered by the proprietary QUA-X Complex™ and advanced nano-cell technology, supports the brow root environment, helping brows appear fuller, stronger and more defined over time.
Designed to improve the overall condition and appearance of eyebrows with consistent use.
With regular daily application, brows gradually appear denser and better defined.
• First visible improvement: 4-6 weeks
• Noticeably fuller brows: 6–8 weeks
• Optimal results: 8–12 weeks of consistent use
Results may vary depending on individual brow cycle and routine consistency.
Apply a thin layer once daily to clean, dry eyebrows, following the natural brow line.
Use one dip of the applicator for both brows.
Allow the serum to fully absorb before applying other products.
After completing the full course, use 2–3 times per week to maintain results.
✓ Ophthalmologically & dermatologically tested
✓ Suitable for sensitive skin
✓ Vegan & cruelty-free
✓ Precision applicator for controlled use
✓ Fully compliant with EU cosmetic regulations
Designed for safe, targeted brow application.










It works. Our proof.
Independent testing by Hamilton Lab confirmed visible results after just 4 weeks of regular use of our eyelash and eyebrow serum.
After 8 weeks, users experienced:
+80% increase in density
+67% improvement in thickness
Up to +75% increase in lash length
Dermatologically tested. Safe and effective.
Backed by science. Trusted by women.

The QUALASH Ritual Collection combines two expert formulas:
Eyelash Serum with QUA-X Complex™ to visibly lengthen and strengthen lashes in 4 weeks.
Eyebrow Serum to nourish, fill, and define brows for a naturally fuller look.
Your complete daily ritual for bold lashes and perfectly framed eyes.
Most users report visible improvements in brow fullness and density within 4 to 6 weeks, with optimal results achieved after 8 to 10 weeks of consistent use.
In a consumer study:
- 94% saw fuller brows
- 88% noticed improved brow shape
- 98% observed better definition and thickness
Results based on self-assessment after 8 weeks of regular use.
Its power lies in the QUA-X Complex™ – an advanced formula with multi-action peptides and botanical extracts that nourish brows from the root, stimulate growth, and strengthen each hair over time.
Yes. The formula is dermatologist-tested, fragrance-free, and free from prostaglandins or harsh chemicals – making it suitable for sensitive skin and daily use.
Apply once daily to clean, dry skin. Use the applicator to trace the shape of each brow. Let the serum absorb fully before applying any makeup or skincare.
Absolutely. QUABROW® works great alongside makeup, brow gels, tints, or even after microblading. Just apply the serum to clean skin before anything else.
Your brows will gradually return to their natural growth cycle, but you won’t experience hair loss or sudden thinning. Continued use supports long-term results.
One 3.5 ml tube of QUABROW® lasts approximately 4 to 5 months with daily use.
Most other brow serums offer only 1–2 ml for the same price. With QUABROW®, you get more product, more results, and more value.
Yes. QUABROW® is inspired by research on peptide-driven hair stimulation and is powered by our proprietary QUA-X Complex™.
Clinically backed. Consumer-tested. Designed for visible, measurable growth.