9 Best Eyelash Serum For Growth | No More Sparse Lashes

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It combines a black tint with a 7-peptide growth formula, so you skip mascara on casual days while getting a 15 ml bottle that lasts months.

This is the only serum on this list that doubles as a subtle lash tint, giving you a naturally defined look without mascara. The formula holds a 7-Peptide blend and Biotin to strengthen from the root, and one owner measured their growth from 12mm to 14mm, calling the laminator effect “phenomenal.” The volume is a standout here: 15 ml is three times the size of the standard 5 ml competitor (like the Lash Growth Serum above), so this bottle lasts significantly longer. Buyers with sensitive eyes appreciate the prostaglandin-free (no aggressive hormones), pH-balanced formula that doesn’t sting. The applicator comes with both a mascara-style brush and a dual ball tip for fine control.

When you stop applying it twice daily, the length and fullness reverse, owners say. A few owners mention that over-application can cause minor eye irritation, so use a light hand. It is also heavier than the Stacy Lash at 1.13 ounces versus 3.17 ounces, but that is because of the larger bottle. Everyone raves about the conditioning — lashes look healthier and more lustrous within days, even before length kicks in. If you want a dual-action serum with the best value-per-milliliter in this guide, this is your pick.

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With 122 owners calling it effective, this Korean-formulated serum works on both lashes and brows — a genuine two-for-one that delivers fast results.

This one stands out because it is designed for both your lash line and your brows, making it a two-for-one value proposition. The star here is effectiveness — 122 owners mention it as the top positive aspect, the highest positive count of any aspect across the entire guide. They report fuller, healthier, longer lashes within weeks, and the formula is gentle enough for sensitive eyes (68 owners note no irritation). The advanced multi-peptide complex provides root-to-tip nourishment without hormones. Unlike the Epais serum above, which is 15 ml, this one packs a 3-month supply into a compact 5 ml bottle. The quick-dry, non-greasy texture means it absorbs fast, and owners love that you can apply it like an eyeliner pen at night.

Effectiveness is high, but a few owners aren’t sure it’s working after a few weeks. Lash growth takes time. At 3.17 ounces, the package is 5.0x heavier than the Lash Growth Serum from Amer (0.63 ounces), but the bottle itself is elegantly designed. If you want a serum that also tackles thinning brows, this is the one. It outperforms the Lash Growth Serum on owner satisfaction for effectiveness, making it a strong alternative for those who want speed.

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Developed by ophthalmologists at Bausch + Lomb, this serum is sting-free even on the most reactive eyes — ideal for contact lens wearers.

This formula was scientifically developed with ophthalmologists (eye doctors) and a dermatologist specifically for the sensitive eye area. That pedigree matters. Buyers who “couldn’t handle” other brands like Revitalash find this one works without stinging. The unique complex of Peptides, Biotin, and moisturizing Hyaluronic Acid nourishes lashes overnight. According to the brand’s clinical studies, it shows fuller-looking lashes and brows in just 4 weeks. The ingredients are clean — free from fragrance, alcohol, sulfates, prostaglandins, mineral oil, PEG, parabens, and phthalates — so it is safe for contact lenses and lash extensions. Many owners are on their second bottle and have set up a subscribe-and-save routine.

The honest trade-off: some owners see healthier, conditioned lashes but not significant new length or thickness. Because it is prostaglandin-free (which limits the aggressive growth signal), the results are more about strengthening and conditioning than a dramatic transformation. A few buyers switched from Babe Lash because they wanted something gentler, and they miss the stronger growth. For sensitive eyes, this is the safest bet, but if you want fast, dramatic length, the Stacy Lash above is a better fit.

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It drives dramatic growth in under 5 weeks using a prostaglandin analog — the fastest pick here, but one that comes with a real risk of irritation and fat loss.

This is the fastest-acting formula on this list. The active ingredient, Isopropyl Cloprostenate, is a prostaglandin analog (a lab-made hormone) that forces lashes into a rapid growth phase. Customers note noticeably longer and thicker lashes after 4-5 weeks, with spouses independently commenting on the change. Over 59,000 ratings make it the most-reviewed pick here by a wide margin. The formula is easy to apply and non-sticky, and a little goes a long way. It is the most direct competitor to the gentle LUMIFY because it offers pure speed — but the trade-off is significant.

The science shows that while it works, it can cause periorbital fat loss (a hollowed look around the eye), and some reviewers point out eye irritation, redness, and a white crust with over-application. The manufacturer’s data flags it as having lasting results, but the reversal when you stop is equally fast. Unlike the LUMIFY serum, this one is not for the faint of heart. If you want the fastest possible growth and are okay with the risk, this is the benchmark. If you have sensitive eyes, the Babe Original or Stacy Lash serve you better.

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A 16-week clinical study with 35 participants showed a 75% improvement in lash thickness — rare proof for a prostaglandin-free serum that 148 owners call effective.

This one is for the data-driven buyer. In a 16-week clinical study with 35 participants, the appearance of lash thickness improved by 75%, lash darkness improved by 84%, and lash length improved by 16% — all according to the brand. The exclusive Pro-6 Peptide Complex is a blend of six peptides that support lash health, and the formula is enriched with botanicals like floral extracts and Tahitian Sea micro-algae to be sensitive-eye-friendly. Owners with thinning lashes report that after 2 months, lashes stopped falling out and became fuller, longer, and healthier. The most-praised aspect is effectiveness, with 148 owners calling it out — the highest count of any product here. It is also lash extension friendly and safe for transitioning back to natural lashes.

The honest note: eye irritation is mixed. While many report no stinging or redness (unlike the GrandeLASH-MD, which caused irritation for them), a few owners experienced a burning sensation if the serum got into their eyes. The advice is to apply a thin line sparingly. If you want clinical proof without prostaglandins, this is the best pick in the guide, and it edges out the Lash Growth Serum on owner satisfaction for effectiveness.

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Formulated with Vitamins A, C, and E for women over 50 who thought their lash-growing days were behind them — one 59-year-old buyer reports long lashes after 5 weeks.

This is the only serum explicitly designed for mature lashes. The blend of Vitamins A, C, and E with unique actives targets bringing back lash suppleness and banishing droopy lashes. One buyer who “had almost none” at age 59 now has long lashes after 5 weeks of twice-daily use. The hypoallergenic, pH-balanced formula uses organic ingredients and is designed for the most sensitive eyes. A key benefit is that it helps lashes hold a curl or “lift” throughout the day, which is a common complaint as lashes thin with age. It is the most specialized serum here, aimed squarely at age-related thinning.

The trade-off: this is a commitment product. You absolutely need to keep using it. One owner notes that it restores lashes to their original length and fullness rather than growing them longer than they ever were. If you are under 40 and have healthy lashes, you are paying extra for a pro-age formula you may not need. But for the demographic it targets — women dealing with age-related thinning — the reviews are overwhelmingly positive. It fills a gap that the Stacy Lash and Babe Original don’t address.

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OLAPLEX brings its bond-building tech to lashes: 94% of users in the brand’s study saw more voluminous-looking lashes, with conditioning visible in 2 weeks.

This clear, lightweight serum conditions and hydrates, with the brand’s clinical data showing 94% experienced more voluminous-looking lashes and 97% reported an improved look of longer, denser lashes. The formula uses a proprietary Peptide Complex Technology synergized with Red Clover Flower Extract to support the natural growth cycle, plus Hyaluronic Acid and Biotin to reduce brittleness. Owners see results in as little as 2 weeks for conditioning and 4 weeks for length. The ophthalmologist-tested formula is free from prostaglandins, parabens, and sulfates, making it a safe choice for sensitive eyes — a gentler alternative to the GrandeLASH-MD for conditioning.

The honest issue: value. At a higher price point, some buyers report that after a year of use, they expected more length. One review notes that it is the only serum that didn’t burn their eyes, but they should have had longer, thicker lashes by that point. The bottle is 4.5 ml, slightly smaller than the 5 ml standard, and a few customers received a bottle that seemed to have a dry applicator — a rare quality control error. If you love the OLAPLEX brand and want a gentle, conditioning-first formula, this is a solid choice. If you prioritize pure growth speed, GrandeLASH-MD is faster.

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A long-established serum using Nanosome Technology (microscopic capsules for even dispersion) that fills in sparse gaps — but 15 owners mention eye irritation, the most in this guide.

DS Labs has been around long enough to build a loyal following. The star feature here is Nanosome Technology, which micro-encapsulates the active ingredients for even, consistent dispersion along the lash line. The oil-free formula is ophthalmologist-developed and safe for lash extensions, free from parabens and sulfates. Owners who have used it for three months report that it fills in gaps between lashes, increases lash quantity, and reduces shedding. The applicator is mess-free and fast-drying, designed for once or twice daily use.

The biggest concern: eye irritation. 15 owners mention it as a negative, with some reporting red eyes and darkened skin around the eye area. One severe review mentions a painful eye infection, though this is a rare anecdote. The effectiveness is marked as mixed by 30 owners, meaning results are inconsistent. Unlike the Babe Original with its strong clinical data, this one has a more polarizing track record. If you have any history of eye sensitivity, the LUMIFY or OLAPLEX serums are safer bets. For those who tolerate it, the results are real, especially for filling in sparse patches — it serves a specific niche that the Stacy Lash does not.