Health & Beauty

Should You Add A Lash Or Brow Serum To Your Beauty Routine? 3 Experts Weigh In

April 9, 2024

Fluttering lashes and full brows: more than just beauty aspirations, they’re now the focal point of a burgeoning trend that’s ignited a rise in eyelash and eyebrow serums meant to take your finest hairs to new lengths. 

“As people seek more non-invasive options, brow and lash serums offer a way to achieve fuller, healthier-looking eyebrows and lashes without resorting to extensions, false strip-lashes or ‘drawn-on brows,’” says Lexi Miles Corrin, founder and CEO of Waxon, a laser and wax bar that offers eyebrow and eyelash services. Plus, she adds, as more people start to see visible results, share their experiences and educate themselves, the trend is further gaining momentum. “Consumers are now more informed and curious about products that can contribute to achieving a youthful and defined appearance due to social media and beauty influencers.” 

But it’s not all (Tik) talk. Recent advancements in cosmetic formulations have yielded potent ingredients that claim to promote fuller lashes and brows. Across the board, these products purport to enhance follicle growth and promote fuller, healthier hair. But the ingredients themselves can vary, meaning not every serum is created equal. 

“Key ingredients may include vitamins such as biotin and panthenol, antioxidants and peptides, or castor oil,” says Nicole Karajovic, a licensed aesthetician at Waxon. “There are also prescription-strength prostaglandin-based products that have increased risk of side effects.” 

Olaplex, for one, has created a peptide complex technology for its Lashbond Building Serum, which has a blend of potent peptides, hyaluronic acid and biotin to promote healthy-looking and fuller lashes. According to the brand’s chief scientist, Lavinia Popescu, “[It] supports the natural lash growth cycle and maintains an optimal environment to support the look of longer, thicker, stronger and fuller lashes.” She adds that both the hyaluronic acid and biotin promote nourished lashes and reduce the appearance and feel of dry, brittle hairs. Olaplex’s new Browbond Building Serum includes similar tech to support the natural growth cycle and brow retention for the look of fuller, denser more youthful eyebrows—in as little as four weeks. Bonus: the product is said to also contain an innovative peptide to help reduce the appearance of new greys. 

How fast do they work? It’s a common misconception that the results will be instant and permanent. “In order to see results, lash and brow serums have to be a part of your self-care ritual,” Popescu says. Corrin agrees: “Consistent and regular use of these serums is typically recommended to achieve optimal results over several weeks or months before noticeable improvements in length and thickness become apparent. This means that daily use will be the most beneficial to target sparse brows or barely-there brows and lashes.” 

By adding the serums to your routines and being consistent, you will see gradual results. However, genetics, lifestyle, health and usage will play a role in how well they work. “Some may assume that using a growth serum will lead to unlimited growth, whereas they are geared to support the natural growth cycles and promote healthier hair, within the genetic limitations of the individual,” Karajovic explains. 

Despite the variables, Popescu says these serums are a great option for most consumers who want longer, thicker, and healthier looking lashes and brows. “It is a … solution … over other options like extensions or false eye lashes due to their natural ingredients and long-term results.” —Farah Khan

5 Lash & Brow Serums To Try

  1. OLAPLEX Lashbond Building Serum $92
  2. PLUME Lash & Brow Enhancing Serum $112
  3. Milk Makeup KUSH Lash + Brown Enhancing Serum $71
  4. Shiseido Full Lash and Brow Serum $49
  5. Benefit Cosmetics Whoop Lash-Lash Enhancing Serum $70


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