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Grande Cosmetics GrandeLASH-MD Lash Enhancing Serum – Longer, Fuller Lashes in 4–6 Weeks
Price range: $28.80 through $100.00
Grande Cosmetics GrandeLASH-MD Lash Enhancing Serum is the #1 lash and brow serum brand in the US, with over 10 million units sold and 55,000+ 5-star reviews. Infused with vitamins, peptides, amino acids, and Hyaluronic Acid, this grandelash-md lash enhancing serum promotes the appearance of naturally longer, thicker, and healthier-looking lashes in just 4–6 weeks — with full results in 3 months.
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Grande Cosmetics GrandeLASH-MD Lash Enhancing Serum: America's #1 Lash Serum
Grande Cosmetics GrandeLASH-MD Lash Enhancing Serum is an iconic, award-winning lash treatment that has earned its place as the #1 Lash and Brow Serum Brand in the United States. With over 10 million units sold, a mere 1% return rate, and 100+ beauty award wins, the grandelash-md lash enhancing serum is the go-to solution for anyone looking to enhance short, thinning, brittle, or damaged lashes — without extensions or falsies.
Powered by a proprietary lash complex combining Isopropyl Cloprostenate, Radish Root Ferment peptides, Hyaluronic Acid, amino acids, and botanical extracts, the grandelash - md lash enhancing serum works with your natural lash cycle to deliver visible improvement in length, thickness, and lash health. Ophthalmologist tested and safe for contact lens wearers and lash extension users.
Key Benefits
- Visibly longer, thicker, and fuller-looking lashes in 4–6 weeks with full results in 3 months
- Ideal for short, thinning, brittle, or damaged lashes
- Conditions and hydrates lashes to reduce breakage and improve resilience
- Ophthalmologist tested — safe for sensitive eyes and contact lens wearers
- Safe for use with lash extensions — water-based formula does not affect adhesives
- Backed by an 8-month clinical study and full toxicological risk assessment
- Over 10 million units sold with 55,000+ 5-star reviews
- 100+ beauty award wins — #1 Lash & Brow Serum Brand in the US
- Paraben-free, gluten-free, dye-free, cruelty-free, and reef-safe
- Available in 6-week starter size and 3-month full size
Key Ingredients
- Isopropyl Cloprostenate (Prostaglandin Analogue): The star active ingredient — clinically studied to enhance the appearance of eyelash length and fullness by supporting the lash growth cycle
- Radish Root Ferment (Peptide Complex): A conditioning peptide that strengthens and nourishes lash fibers for healthier-looking, more resilient lashes
- Hyaluronic Acid: Deeply hydrates lashes and the lash line, holding up to 1,000x its weight in water to prevent dryness and brittleness
- Amino Acids (L-Proline & Glycosaminoglycans): Essential building blocks for lash health that fortify follicles, improve lash resilience, and support natural growth
- Grape Seed Extract (Vitamin E): A powerful antioxidant that protects lashes from environmental damage and free radicals
- Botanical Extract Blend (Ginseng Root, Chamomile, Bearberry, Aloe Vera, Honey): Soothes and nourishes the lash line while fortifying lash follicles for stronger, healthier lash growth
- Panthenol (Pro-Vitamin B5): Conditions and smooths lashes, adding flexibility and shine while reducing brittleness
- Use once daily — ideally in the evening after cleansing and drying your face
- Apply a single stroke along the upper lash line using the precision applicator, like liquid eyeliner
- Apply to the skin at the lash root — not directly on the lashes themselves
- One dip into the bottle is sufficient for both upper lash lines
- Allow 1–2 minutes for the serum to dry before applying other products or lying down
- Use consistently every day for a full 3 months for best results
- Once desired results are achieved, apply every other day for maintenance
- If you have sensitive skin, start by applying every other day for the first 2 weeks
- Do not apply to lower lash line — risk of product entering eye
Key Active Ingredients: Isopropyl Cloprostenate, Radish Root Ferment, Hyaluronic Acid (Sodium Hyaluronate), Glycosaminoglycans, L-Proline, Panthenol, Grape Seed Extract, Aloe Vera, Honey Extract, Ginseng Root Extract, Chamomile Flower Extract, Bearberry Leaf Extract.
Please refer to the product packaging for the complete and most up-to-date ingredient list. GrandeLASH-MD has undergone an 8-month clinical study and full toxicological risk assessment for safety verification.
- BrandGrande Cosmetics
- Product TypeLash Enhancing Serum
- Sizes Available2mL (3-month supply), 1mL (6-week starter), 4mL (6-month jumbo)
- Key IngredientsIsopropyl Cloprostenate, Peptides, Hyaluronic Acid, Amino Acids
- FragranceFragrance-Free
- ParabenParaben-Free
- GlutenGluten-Free
- DyeDye-Free
- Cruelty-FreeYes
- Reef SafeYes
- Usage TimeNightly
- TestingOphthalmologist Tested, 8-Month Clinical Study
- Awards100+ Beauty Awards, #1 Lash & Brow Serum Brand in the US
Skin Type: NormalDryCombinationOilySensitive
Skin Concern: Thin LashesShort LashesSparse LashesBrittle LashesLash BreakageLash LossLack of Lash Definition
How long does it take to see results with Grande Cosmetics GrandeLASH-MD Lash Enhancing Serum?
Most users notice visible improvement in lash length and thickness within 4–6 weeks of consistent nightly use. Full results are typically achieved after 3 months of daily application, as the formula works in sync with the natural lash growth cycle.
Is grandelash-md lash enhancing serum safe for sensitive eyes?
Yes — GrandeLASH-MD is ophthalmologist tested and formulated to be safe for sensitive eyes and contact lens wearers. If you have particularly sensitive skin, Grande Cosmetics recommends applying every other day for the first two weeks to allow your skin to acclimate.
Can I use grandelash md lash enhancing serum with lash extensions?
Yes — GrandeLASH-MD is water-based and safe for use with lash extensions. It will not interact with or break down the adhesives used for extensions.
How do I apply grandelash - md lash enhancing serum correctly?
Apply one stroke along the upper lash line at the lash root — similar to applying liquid eyeliner. Do not apply to lower lash line. One dip is enough for both eyes. Allow 1–2 minutes to dry before applying other products.
How long does one tube of Grande Cosmetics GrandeLASH-MD last?
The 2mL full-size tube provides approximately a 3-month supply with daily use. The 1mL starter size lasts 6 weeks, and the 4mL jumbo size lasts approximately 6 months.
Do I need to keep using GrandeLASH-MD to maintain results?
Yes — results are maintained with continued use. Once you achieve your desired lash appearance, Grande Cosmetics recommends switching to every-other-day maintenance application to preserve results.
Delivery & Returns
Free shipping is included in all product prices. No additional delivery fees will be charged at checkout.
If you're not completely satisfied with your purchase, please refer to our returns policy for easy returns and exchanges.
*Points are earned based on the final checkout value after any applied discounts.
If you're not completely satisfied with your purchase, please refer to our returns policy for easy returns and exchanges.
*Points are earned based on the final checkout value after any applied discounts.
Customer Images
tiff
✓ Verified Purchaser★★★★★ June 13, 2026
It does work.
Bought the travel size just to try it out. I use it during the day so that there’s minimal transfer to my under eye, since the ingredients in most lash serums can give you “sunken eye”. Anyways, it’s easy to use, non-greasy, and I can already see a difference in my lash growth and it’s only been a month since I’ve been using it. Side note: I only use this about 3 times a week. Definitely don’t get it in your eyes though cause it burns 😭. Lastly, I get lash extensions pretty consistently and I haven’t had any retention/fall-out issues at all when using this product.
Danica
✓ Verified Purchaser★★★★★ June 10, 2026
WORKS FAST WILL LAST YOU SO LONG
I swear this little bottle will last you way longer than it says! Use this so lightly especially at first and invest in good eye brighting drops like lumify (my personal fav!). It will irritate your eyes but it is so worth it. Even the littlest bit is so powerful. My eyelashes had been falling out in patches. At my worst I couldn’t even curl them or wear mascara for A YEAR! The eye in this picture was missing 85% of my natural lashes before I started. This fixed them in like a month. I’ve had the same bottle since February (it’s early June) and I bought another incase I run out but haven’t even opened it yet. I get compliments on my long lashes all the time, which is so shocking to me considering where I was when I started this. I try not to use it everyday now as it makes my eyes sooo red (use the eyedrops), but even 2 times a week so far seems to help keep the progress intact.
Maegan Powers
✓ Verified Purchaser★★★★★ June 6, 2026
Amazing Eye Brow Serum
When I tell you this product works, it works. Went to the nail salon to get a clean up on my brows and came out with them so thin. I was freaking out on how long it would take to grow back etc until I found this serum. I apply it everyday at night after washing my face & such a difference the amount of hair that has grown back. Yes it’s pricey for a small bottle but well worth it 10/10! Also, this photo is a month difference.
Michelle
✓ Verified Purchaser★★★★★ May 29, 2026
I hate to say I need it, but I do
I’ve only used this for 1 month. I use it once a day (at night). I’ve had eyelash extensions for over 3 years. So when I decided to let go, my natural lashes were short and stubby, and spaced out. The first picture I had been using the serum for a week already (didn’t take before photos because I didn’t expect it to work at all). But even at ONE week of use, I started to see a difference. The first photo I also still have some of my classic extensions in + mascara. The other pictures are 100% makeup free, and just results! I will continue to purchase this 4ever.
Maria
✓ Verified Purchaser★★★★★ May 29, 2026
WORTH EVERY PENNY
Ok I’m usually not one to write reviews, but I genuinely had to for this one. I had eyelash extensions for over 5 years, and once I finally removed them, my natural lashes were extremely damaged, short, sparse, and honestly pretty fragile. I originally started using Show Lash Serum and it worked AMAZING for about a year, but eventually my lashes seemed to get used to the formula and I stopped seeing much growth. I started using GrandeLASH on April 21st, and it’s now May 23rd… and the difference is honestly insane. I truly did not expect it to work this well, especially this fast. In my before photo, my lashes were short, separated, and I even had a noticeable gap. Now my lashes look fuller, longer, darker, and so much healthier overall. The gap is completely gone and they no longer look weak or brittle. The craziest part is this transformation happened in only about a month. I’m honestly shocked every time I look at old pictures. This product is 100% worth the money and I will absolutely keep repurchasing.
Shandi Hartwig
✓ Verified Purchaser★★★★★ May 22, 2026
Visible results! Significant growth and length for the whole family.
I purchased this GrandeLASH-MD Lash Enhancing Serum for my daughters and myself, and we are all beyond impressed with the results. If you are looking for a serum that actually delivers on its promises, this is the one.Why we love this serum:Proven Results: We have all seen significant growth and noticeable length in our eyelashes since we started using it. It really works!Easy to Use: The application is quick and fits perfectly into our nightly routines.Great for Sensitive Eyes: None of us have experienced any irritation, which was a priority for me when sharing it with my girls.High-Quality Formula: You can tell this is a premium, vitamin-infused product that actually nourishes the lashes.It’s rare to find a beauty product that works consistently for everyone, but this serum has definitely earned a permanent spot on our vanity. Highly recommend!
Shakeela
✓ Verified Purchaser★★★★★ May 22, 2026
Wow , it actually works. 4 week results.
I am hopping on the review trains because this stuff actually works . lol I made sure I checked all my receipts but this has been 4 weeks since I started using it and I can confidently say my lashes are in fact longer . I paired some castor oil with this serum and I’m really proud of these results .my lashes are naturally super thin so I was surprised this made a difference , but I’m going to continue to use this and see what it can do for me . So I’ll check back in another 90 days lol .
Molly B
✓ Verified Purchaser★★★★★ May 22, 2026
Great sustained results 18 months later!
I’ve been using this serum for the past 18months or so and have definitely noticed sustained and noticeable results! I have naturally very short, straight Asian lashes- and under monolid eyes they look even shorter and straighter from the weight of the lid. They were so short that I literally had a (admittedly clueless) friend ask me if I even had eyelashes when I was younger. Ouch. I use this serum twice a day everyday, and I’ve sustained longer lashes with a surprising curl to them! Enough that my mom and optometrist both separately noticed how long they’ve gotten over the last year or two! I was worried it would “lose its effect” if I didn’t switch up the formulas but my 6 month supply still has some in the tube about 1.5 years later and they’ve stayed long and curled much to my delight! I don’t look like I have falsies on or anything dramatic, but for my super stubby lashes, I look like I have full normal lashes now! I’m super happy with the results, and with some mascara, they’re very noticeable! But the photos I included are bare lashes. I don’t have any before photos, but I included a photo of someone else’s lashes which are basically how straight and short mine were. Except mine were honestly shorter and sparser than the photo. Im also a contacts wearer and I’ve never had an issue with the formula in terms of bothering my eyes or eyelids- that said, if you layer it with an eye cream it might burn a little? But that could be the formulas interacting badly, I just make sure my eye cream is absorbed and dry before I put the lash serum on and I’ve never had issues. I apply it in the morning when I’m getting ready for the day, let it dry, then put on my makeup like normal, and at night at the end of my skincare once my skincare is dry.
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