FAQ
When will I see results? - Results will vary by individual, but based on an expert graded study, 97% of subjects saw clinically measured improvement in brow length + lash volume in 12 weeks. * Brow results are expected sooner than lashes due to differing hair cycles.
How long do results last? - Results vary by person. To maintain results, we recommend continuing to use GrowPotion every night.
Will this irritate my eyes? - GrowPotion is ophthalmologist-tested and safety-tested to be hypoallergenic and safe for sensitive eyes.
It is important to apply only a thin layer to brows and lashes, and avoid applying near the inner corner and inside the water line. - If you experience irritation, please discontinue use and contact us.
Where does this go in my routine? Before or after skincare? - After! Start with a clean, dry face and wait 1-2 min for serum to dry. Apply a thin layer to the root of your upper lash line. Use only use one dip of serum for each brow and lash (little goes a long way!) Stay consistent and apply every day (you can do it).
Can I skip nights? - Recommended to be used nightly for the best results.
Can I use this product with lash extensions? - GrowPotion does not contain oils or solvents and should not interfere with lash adhesives.
Can I use GrowPotion if I wear contacts? - Yes, this product was tested to be safe for contact lens wearers.
Does the product have any scent? - No, it is fragrance free.
Is GrowPotion Vegan? - Yes!
Key ingredients
Key ingredients include:
Trio of Peptides: Supports length and thickness
Vegan Keratin: Nourishes and strengthens
Pro-Vitamin B5: Promotes shine
Hyaluronic Acid: Hydrates and conditions
How to use
1. Apply nightly and start with a clean, dry face.
2. Firstly for brows, use one dip of serum and swipe the flatter side of applicator to coat the entire brow area.
3.Secondly for lashes, use one dip of serum and angle the pointed tip to apply along the top lash line. Avoid the inner corner, waterline, and bottom lashes (upper application has the lower covered).
4.Wait 1-2 min for serum to dry.
5.Don’t apply makeup immediately after or even better allow a few days for the serum to take effect.
6.When ready, follow up with the Kosas Brow Pop, Kosas Air Brow - Tinted and/or Kosas Air Brow - Clear in the morning for your best brows ever.
Full ingredients
Water (Aqua), Pullulan, Propanediol, Glycerin, Butylene Glycol, Sorbitol, Pentylene Glycol, Xanthan Gum, Sodium Hyaluronate, Panthenol, Soy Amino Acids, Wheat Amino Acids, Arginine HCl, Serine, Threonine, Trehalose, Acetyl Tetrapeptide-3, Biotinoyl Tripeptide-1, Myristoyl Pentapeptide-17, Trifolium Pratense (Clover) Flower Extract, Citric Acid, Dextran, Sodium Gluconate, Acacia Senegal Gum, Phenethyl Alcohol, Potassium Sorbate, Ethylhexylglycerin, Benzyl Alcohol, Benzoic Acid
Grow Potion - Fluffy Brow + Lash Boosting Serum 3.5ml
This Kosas GrowPotion Boosting Serum will help to manifest your best brows + lashes.
This clean 2-in-1 brow and lash boosting serum powered by Peptides and vegan Keratin which will accelerate the appearance of fuller, feathery brows and longer, thicker lashes. Safe for sensitive eyes. Prostaglandin-free.
After 12 weeks of use, 97% saw clinically measured improvement in brow length + lash volume.*
Hypoallergenic | Ophthalmologist tested | Safe for sensitive eyes | Vegan | Leaping Bunny Certified Cruelty-Free | Free from Gluten and Essential Oils | Fragrance-Free
*Based on a 12 week expert graded study with 29 subjects.
FAQ
When will I see results? - Results will vary by individual, but based on an expert graded study, 97% of subjects saw clinically measured improvement in brow length + lash volume in 12 weeks. * Brow results are expected sooner than lashes due to differing hair cycles.
How long do results last? - Results vary by person. To maintain results, we recommend continuing to use GrowPotion every night.
Will this irritate my eyes? - GrowPotion is ophthalmologist-tested and safety-tested to be hypoallergenic and safe for sensitive eyes.
It is important to apply only a thin layer to brows and lashes, and avoid applying near the inner corner and inside the water line. - If you experience irritation, please discontinue use and contact us.
Where does this go in my routine? Before or after skincare? - After! Start with a clean, dry face and wait 1-2 min for serum to dry. Apply a thin layer to the root of your upper lash line. Use only use one dip of serum for each brow and lash (little goes a long way!) Stay consistent and apply every day (you can do it).
Can I skip nights? - Recommended to be used nightly for the best results.
Can I use this product with lash extensions? - GrowPotion does not contain oils or solvents and should not interfere with lash adhesives.
Can I use GrowPotion if I wear contacts? - Yes, this product was tested to be safe for contact lens wearers.
Does the product have any scent? - No, it is fragrance free.
Is GrowPotion Vegan? - Yes!
Key ingredients
Key ingredients include:
Trio of Peptides: Supports length and thickness
Vegan Keratin: Nourishes and strengthens
Pro-Vitamin B5: Promotes shine
Hyaluronic Acid: Hydrates and conditions
How to use
1. Apply nightly and start with a clean, dry face.
2. Firstly for brows, use one dip of serum and swipe the flatter side of applicator to coat the entire brow area.
3.Secondly for lashes, use one dip of serum and angle the pointed tip to apply along the top lash line. Avoid the inner corner, waterline, and bottom lashes (upper application has the lower covered).
4.Wait 1-2 min for serum to dry.
5.Don’t apply makeup immediately after or even better allow a few days for the serum to take effect.
6.When ready, follow up with the Kosas Brow Pop, Kosas Air Brow - Tinted and/or Kosas Air Brow - Clear in the morning for your best brows ever.
Full ingredients
Water (Aqua), Pullulan, Propanediol, Glycerin, Butylene Glycol, Sorbitol, Pentylene Glycol, Xanthan Gum, Sodium Hyaluronate, Panthenol, Soy Amino Acids, Wheat Amino Acids, Arginine HCl, Serine, Threonine, Trehalose, Acetyl Tetrapeptide-3, Biotinoyl Tripeptide-1, Myristoyl Pentapeptide-17, Trifolium Pratense (Clover) Flower Extract, Citric Acid, Dextran, Sodium Gluconate, Acacia Senegal Gum, Phenethyl Alcohol, Potassium Sorbate, Ethylhexylglycerin, Benzyl Alcohol, Benzoic Acid
- In stock, ready to ship
- Inventory on the way
For UK Mainland orders over £50.00 shipping is free
WHERE WE SHIP We ship UK nationwide, Europe and to some global locations. Due to hazardous restrictions, some of the products sold on this website such as perfume containing alcohol, can only be sold within the UK and cannot be sent overseas.
CURRENCY
Please note purchasing currency is GB Pounds and the currency you will be charged in is British pounds.
DISPATCH TIMES
We will endeavor to dispatch orders according to the shipping choice and within a maximum of 3 working days. In some instances this may take longer such as during bank holidays, or in some situations that are out of our control. All orders are dispatch Monday to Friday excluding Bank Holidays. Currently, next day delivery occurs on weekdays only and needs to be made before the daily cut-off time of 12pm. All orders made after this time requesting the next day service will be dispatched the following day.
Occasionally delivery to UK rural addresses may take a day or two longer than standard estimates.
All items are dispatched with a confirmation of delivery or attempted delivery number which can be found by clicking 'View Your Order' in the shipping confirmation email.
UPON DELIVERY
All deliveries require a signature. Can you therefore, please ensure there is someone available at the delivery address to sign for the package. Your tracking number can be located on your order. If the package cannot be delivered, you should receive a delivery card with contact information for delivery, or information by email. Both will detail the amount of time you have to arrange re-delivery or collection before the parcel is returned to us. Unfortunately, we do not take responsibility for any direct or indirect loss or damage incurred with the order as a result of the customer not collecting the package within the required time period. We recommend contacting us if you haven't received your package by the estimated delivery date so that we can assist with tracking your order.
All items are dispatched with a confirmation of delivery or attempted delivery number which can be found by clicking 'View Your Order' in the shipping confirmation email.
We regret that dispatch errors such as missing, faulty or damaged items, may occur from time to time. Replacements will be delivered to you and the damaged or incorrect will be required to be returned, provide it is reported to us within 7 days of receiving. After this we are unable to accept returns.
If you have a time sensitive order please select the NEXT DAY delivery service on checkout or contact us for assistance. We cannot take responsibility for orders not arriving the next day with the designated shipper, despite requesting this service.
We are sorry but we do not deliver to P.O. Boxes or hotels.
DELIVERY CHARGES
Delivery options for your region will be displayed at the checkout.
All international deliveries will have a tracked courier service. Please be aware that you may be charged duties and customs fees if your order is from overseas and when arriving in your country. These are at the cost of the receiver.
SIGNING FOR YOUR DELIVERY
Your delivery will require a signature upon receipt of order. Please ensure someone is available at your delivery address. If you are unavailable to sign for your parcel, you should receive a delivery card with contact information for delivery. It will detail the amount of time you have to arrange redelivery or collection before the parcel is returned to us.
If the parcel is not collected and is returned to us you will be required to pay for the redelivery. Should the order be cancelled the refund will be processed minus the original cost of shipping incurred.