Long 4 Lashes is a brand that offers eyelash and eyebrow enhancing serums. The ingredients of the Long 4 Lashes Eyelash Serum are Aqua, Pentylene Glycol, Pentaerythrityl Tetraisostearate, Bimatoprost, Hydrolyzed Hyaluronate, Panthenol, Allantoin, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Disodium Phosphate, Triethanolamine, Methylparaben, and Alcohol. The Long 4 Lashes Eyebrow Serum has the same ingredients as the eyelash serum.

On the other hand, the Long4Lashes Eyelash Serum Gold contains active multi-ingredients that make eyelashes look longer and fuller. The serum reduces eyelash loss and makes them look even more radiant. The active substances include BaiCapil, Capixyl, and some of the most renowned plant-based ingredients such as Baikal skullcap and wheat extract, red clover, a lab-made peptide, and ginseng sea mustard.

The Longer Lash - Eyelash Growth Serum is another product that contains natural ingredients along with two types of peptides, and no parabens, or preservatives like phenoxyethanol or propylene glycol.

According to Contours Rx, a safe and effective eyelash serum needs four key ingredients to help grow longer fuller lashes. These ingredients are peptides, biotin, plant stem cells, and hyaluronic acid.

Positive reviews of Long 4 Lashes products mention that they are effective in making eyelashes longer and fuller. Negative reviews mention that some users experienced irritation or redness around the eyes.