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neuLASH Lash Enhancing Serum: Does it work?

neuLASH Lash Enhancing Serum is a product made by Skin Research Laboratories (SRL). SRL makes multiple brands of topical cosmetic agents that boast increased hair growth in lash, brow, and scalp hair areas. Here is what research reveals about neuLASH. 

The neuLASH product

1. Ingredient Isopropyl Cloprostenate is a prostaglandin analog. Certain prostaglandin analogs have been found to cause increased hair growth. Prostaglandin analog bitmatoprost is the active ingredient in Latisse and has been proven to increase lash density and length in clinical trials. This specific ingredient in neuLASH has not been studied directly in clinical trials but likely does influence lash growth properties if it has similar properties to other prostaglandin analogs.  


2. The FDA did issue a warning letter to the makers of neuLASH in 2011 for making claims that were beyond the scope of a cosmetic product. As mentioned above, certain prostaglandin analogs  are known to grow hair and are considered drugs that alter cellular function. Therefore, they would need FDA-approval after adequate clinical trials to make some of the claims that neuLASH used to make of being able to grow lashes within 30 days. ( 

3. Copper peptides are part of this product. A genetic mutation in a condition called Menkes Disease, in which there is copper deficiency, does result in kinky and short hair. While copper supplementation does help those with Menkes Disease, it is unclear whether providing normal individuals supplementation of copper and related proteins would lead their eyelashes or other body hairs to grow and thicken. 

4. Other ingredients, as listed below, included plant extracts, vitamins, and protein peptides. While these are all essential for good hair growth and maintenance, none of them directly cause hair growth stimulation or altered hair growth cycles. 

5. Numerous anectodal reports claim that  neuLASH helps improve density of lashes or even length of lashes over time. However, no formal clinical studies are available to confirm this. 

6.  There are no reported side effects to neuLASH except for a paper in the scientific literature about the ingredient Isopropyl Cloprostenate causing eye discoloration (1). This has been found to occur with other prostaglandin analogs.  If discoloration around the eyes occurs during the use of neuLASH, I recommend discontinuation of the product and see if it resolves. 

7. Everyone should be aware that the use of synthetic chemicals could lead to allergic or irritant contact dermatitis. Given the ingredients in this product with include numerous preservatives and other ingredients typically found in cosmetics, discontinue use of this product if it leads to itch, burning, pain, or rashes on the skin.


Is it worth it?

As a SkinVestment, this product will cost you about $70-75 per 0.2 oz container. If you are looking for a non-harmful product with transparent ingredients that may enhance the appearance of your eyelashes over time by giving them a good growth medium and proteins to help them grow, then try neuLASH. However, note that there has been no clinical trials of this product that are available or peer reviewed. Bitmatoprost ( Latisse) has been studied however, and we do know that this prostaglandin analog significantly increases length and density of lash hairs. Isopropyl cloprostenate in neuLASH most possibly does too, given that it is also a prostaglandin analog. But for the cost of neuLASH, one could purchase Latisse for around the same price. SRL does stand behind their product and will refund or exchange it within 90 days if you are not satisfied. 


neuLASH Enhancing Serum ingredients:

Water, Rhizobian Gum, Sodium Hyaluronate, Butylene Glycol, Hydroxyethylcellulose, Biotin, Panthenol, Pantethine, Hydrolyzed Glycosaminoglycans, Allantoin, Cucurbita Pepo (Pumpkin) Seed Extract, Dipotassium Glycyrrhizate, Sea Water, Octapeptide-2, Copper Tripeptide-1, Alcohol denat., Isopropyl Cloprostenate, Polypeptide-23, Glycine Soja (Soybean) Oil, Glycerin, Phosphatidylcholine, Phenoxyethanol, Chlorphenesin, Sorbic Acid.  



1. N Horváth O, Letulé V, Ruzicka T, Herzinger T Goldscheider I, von Braunmühl T. Periocular discoloration after using a prostaglandin analog for eyelash enhancement: evaluation with reflectance confocal microscopy. J Cosmet Dermatol. 2017 Mar;16(1):18-20. doi: 10.1111/jocd.12281. Epub 2016 Sep 5.