




Frequently Asked Questions
How long does it take to see results?
How long does it take to see results?
Most users notice visible lash growth within 7-14 days with consistent daily application.
Is GrowLash™ Serum safe for sensitive eyes?
Is GrowLash™ Serum safe for sensitive eyes?
Yes! Our formula is hypoallergenic, gentle, and free from harsh chemicals, making it safe for sensitive eyes and contact lens wearers.
Can I use this serum on my eyebrows?
Can I use this serum on my eyebrows?
Absolutely! GrowLash™ works perfectly on both eyelashes and eyebrows, helping to thicken and nourish sparse brows.
How often should I apply the serum?
How often should I apply the serum?
For best results, apply once daily at night to the base of your upper and lower lash line, just like eyeliner.
Will it work if I have lash extensions?
Will it work if I have lash extensions?
Yes! GrowLash™ can help strengthen your natural lashes while wearing extensions, reducing breakage and promoting growth.
What is your shipping policy?
What is your shipping policy?
We offer standard and expedited shipping options. Orders typically ship within 1-2 business days, and estimated delivery times will vary based on location.
Do you ship internationally?
Do you ship internationally?
Yes, we offer international shipping to most countries. Shipping rates and delivery times will vary based on the destination.
How long does delivery take?
How long does delivery take?
Standard delivery typically takes 7-8 business days, while expedited shipping options can deliver in 2-3 business days. Delivery times may vary based on your location.
What if my order arrives damaged or incomplete?
What if my order arrives damaged or incomplete?
Please contact our customer service team immediately if your order arrives damaged or incomplete. We will provide a replacement or work to resolve the issue as quickly as possible.
What Our Customers Say

Love it or your money back
We are confident that you would like our eyelash growth serum! If, in case, you don't like it, we're happy to get you a full refund! Email us at info@synapse.co