Like everything I love, this product is toxic.
I started using GrandeLASH to grow my eyelashes exactly one month ago. A friend recommended GrandeBROW and it worked for me, so I thought, Why not try the lash serum, too?
I got the $36 mini tube of GrandeLASH, which is a six-week supply.
Long story short: It works, BUT I'm not going to use it anymore because of an extremely problematic (and imo: dangerous) ingredient, which I'll dive into after the before and after photos.
30-Day GrandeLASH Before & After Results
You can see a difference in volume and maybe a slight difference in length—especially on my corner lashes. These photos are taken with no mascara or lash product and no curling. The header photo is amped up with a lash curler only. No filter or editing, as evidenced my enormous pores.
Why I'll Never Use GrandeLASH Again
I wanted to test GrandeLASH for 12 weeks, since that's the length of time all of the brand's case studies follow, but I learned about a problematic ingredient in its formula.
Prostaglandin, a lipid compound we have naturally in our bodies, is recreated synthetically and used in MANY cosmetic grade lash growth serums. On GrandeLASH's ingredients label, it goes by isopropyl cloprostenate, a synthetic form of prostaglandin.
Because isopropyl cloprostenate is used in over-the-counter lash serums and products, it does not require FDA approval. But studies have found that the ingredient, as well as other synthetic prostaglandins, are linked to periorbital fat loss in the crease of the eye and can lead to... take a deep breath... droopy eyelids!!!
In one study on periorbital fat loss associated with synthetic prostaglandin, 53% of the subjects experienced side effects. That is not rare. Those are not good odds for your girl.
No thank you, GrandeLASH, and HOW DARE YOU. *Throws tomatoes forever*
Isoprophyl cloprostenate is also linked to other inflammatory side effects like irritation and swelling.
Just last month, Rodan + Fields settled a longstanding class-action lawsuit over its Lash Boost serum, which contains isoprophyl cloprostenate. Consumers received a $38 million payout in the settlement.
However, LOL: the $155 Rodan +Fields Lash Boost serum is still on the market and still contains isoprophyl cloprostenate.
There are other lash growth serums that don't use synthetic prostaglandin. Vegamour and DIME are two brands that advertise prostaglandin-free lash growth serums.
For myself, I'm going to stick to a lash curler and mascara for now. I'm so bummed because I've never felt this confident about my bare lashes. Sob.
Maybe I'll hunt for a "clean" lash growth serum in the future. Will report back, of course ❤️
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