Best Thickening Lash Serums: Transform Thin Lashes Safely

1. The Ordinary Multi-Peptide Lash and Brow Serum, Peptide-Powered Formula for Thicker, Fuller Looking Lashes & Brows, 0.16 Fl Oz

The Ordinary Multi-Peptide Lash and Brow Serum helps grow thicker, fuller lashes and brows. Its peptide-powered formula targets thin or sparse areas.

This serum uses SYMPEPTIDE, Anargy, Widelash, REDENSYL, and CAPIXYL to boost density. Visible results may appear in 4 weeks, with best outcomes after 12 weeks. It’s a non-greasy, water-based formula for easy daily use.

Apply once morning and night along lash lines and brows. Do a patch test first to check for sensitivity. Avoid use on broken or irritated skin.

2. Grande Cosmetics GrandeLASH-MD Lash Enhancing Serum – Peptide & Vitamin Infused Formula for Longer, Thicker, Fuller Looking Lashes – Ophthalmologist Tested, Cruelty-Free, 6 Week Supply (1mL)

GrandeLASH-MD is a lash-enhancing serum that gives you longer, thicker, and fuller-looking lashes. It uses a peptide and vitamin-infused formula for great results. This product is ophthalmologist-tested and cruelty-free.

The serum provides long-lasting results and comes in a compact package. It is made in the USA and easy to use.

With GrandeLASH-MD, you can achieve beautiful lashes in just 6 weeks. The 1mL supply is perfect for trying out the product. Get ready for stunning lashes with this effective serum.

3. Lash Serum for Eyelash Growth, Premium Lash Enhancing Serum with Advanced Formula Volumizing Longer Fuller and Thicker Looking Lashes, Eyelash Growth for Sensitive Eyes (5 mL)

Thicker, longer lashes are just weeks away with this premium lash serum. Its safe, gentle formula works for sensitive eyes and most skin types. Apply it once daily for natural, beautiful results.

The nutrient-rich blend strengthens lashes, making them healthier and stronger. Clinically tested and easy to use, it’s the perfect choice for confident, stunning eyes.

4. VieBeauti Lash Serum for Eyelash Growth: Eyelash Growth Serum with Advanced Formula to Boost Longer Fuller and Thicker Looking Lashes – Vegan & Cruelty-Free for Sensitive Eyes 3mL

VieBeauti Lash Serum helps you grow longer, thicker lashes naturally. It uses advanced natural ingredients like cacalia extract, peptides, and amino acids. These boost lash growth for a fuller, healthier look.

It’s safe for sensitive eyes and contact lens wearers. The formula is vegan and cruelty-free, perfect for all beauty lovers. You’ll see visible results in just 4 weeks.

The serum repairs and strengthens weak lashes. It’s easy to apply with a fine-tip wand. Use it daily for effortless lash care.

5. Babe Original Lash Serum – Fuller & Longer Looking Eyelashes, Lash Enhancing Serum, for Natural Lashes and Lash Extensions, 1mL, Starter Supply

Babe Original Lash Serum gives you fuller, longer lashes fast. It’s easy to use and works for natural lashes and extensions. Just apply daily for noticeable results.

This serum conditions and hydrates your lashes, making them look healthier and thicker. It’s made with natural, high-quality ingredients for safe use.

Say goodbye to false lashes forever. With Babe Lash, you’ll get beautiful, natural lashes that last. It’s simple, effective, and works for brows too.

6. ForChics Eyelash Growth Serum – Prostaglandin-Free Lash Enhancing Serum for Longer, Thicker Lashes and Brows- Natural Formula, Visible Results in 2 Weeks – Vegan, Hormone-Free 0.10 fl. oz / 3ml

ForChics Eyelash Growth Serum gives longer, thicker lashes in just 2 weeks. Its advanced peptide formula boosts lash growth by 70% in 4 weeks—no extensions or falsies needed.

This serum is hormone-free and prostaglandin-free, avoiding risks like eye irritation or darkened irises. Safe for daily use, it’s perfect for sensitive eyes and hassle-free beauty routines.

The formula blends botanicals like rosemary and saw palmetto with caffeine and biotin. A fine-tip applicator glides on like eyeliner—once daily, before bed. Ophthalmologist-reviewed and dermatologist-tested for trusted, healthy results.

7. USDA Organic Castor Oil Lash Serum – Premium All Natural Cold Pressed Castor Oil Eyelash Growth Serum with Mascara Tube – Eyelash Treatment and Conditioner – For Thicker and Fuller Lashes

Grow longer eyelashes and thicker eyebrows with this pure, USDA Organic Castor Oil Serum. It’s prostaglandin-free and made from cold-pressed oil to keep your lashes and brows healthy. Use it daily to see fuller, stronger hair growth over time.

The mess-free mascara tube makes applying easy and clean. Just brush it on like mascara—no oily drips or sticky brushes. It’s 100% natural, cold-pressed in India without heat or chemicals.

This serum lasts 5-6 months with daily use. Its gentle formula works for all skin types and makes a simple, effective gift.

8. Eyelash Growth Serum with Myristoyl Pentapeptide-4, Advanced Lash Enhancing Serum for Thicker, Longer, Fuller Lashes – 4ml Lash Serum for Natural Eyelash Growth

Eyelash Growth Serum boosts natural lashes with Myristoyl Pentapeptide-4. Skip costly extensions—this serum feeds hair follicles to grow thicker, longer, darker lashes.

Hyaluronic acid and botanical peptides nourish gently. No harsh chemicals. Safe for most skin types.

Use daily for 30 days to see results. Lashes strengthen, grow, and look fuller over time. The precise brush makes application easy and mess-free.

9. Grande Cosmetics GrandeLASH-MD Lash Enhancing Serum – Peptide & Vitamin Infused Formula for Longer, Thicker, Fuller Looking Lashes – Ophthalmologist Tested, Cruelty-Free, 3 Month Supply (2mL)

GrandeLASH-MD is a peptide & vitamin-infused serum for lashes. It helps create longer, thicker, fuller-looking lashes with daily use. This ophthalmologist-tested, cruelty-free formula offers a 3-month supply in a 2mL bottle.

The serum blends vitamins, peptides, and amino acids to nourish lashes. It gently conditions lashes and brows for a healthier look.

Results show over time with no harsh ingredients. Packaging may vary, but the quality stays the same. This clinically tested product is safe for sensitive eyes, making it a trusted, beauty-enhancing choice.

10. NUNA Eyelash Growth Support Serum 6ml – Eye Lash and Eyebrow Enhancing Serum for Women & Men with Biotin – Korean Multi Peptide & Natural Extracts – Promotes Fuller and Longer Lashes – 6 Month Supply

NUNA Eyelash Growth Support Serum is a 6-month supply that helps you achieve longer, fuller lashes and brows. It’s packed with biotin, peptides, and natural extracts for stronger, healthier hair.

This serum is safe for all skin types, even sensitive eyes. It’s 100% vegan and cruelty-free, with no harsh chemicals.

Inspired by Korean beauty innovation, NUNA combines science and nature for visible results in 4-6 weeks. Use it daily for thicker, shinier lashes and brows.