Because of the large demand for eyelash growth products, popular cosmetics companies have been trying to come up with their own line of lash serums. One such company is Mary Kay, which is offering the Mary Kay Lash & Brow Building Serum.

Mary Kay Lash & Brow Building Serum does not claim to be an eyelash growth product.

Instead, it is being promoted more as an eyelash and eyebrow conditioner, which will leave your existing lashes and brows looking thicker, stronger and healthier.

Their website, however, only lists their revitalizing Lash Response Complex, which contains

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  • peptides
  • amino acids Red Clover extract.

Peptides are the building blocks of hair, so they promote growth and strengthen the eyelashes and eyebrows.

Amino acids function to provide nourishment to the eyelash and eyebrow strands as well as the hair follicles.

On the other hand, Red Clover Extract is an antioxidant which fights free radicals that damage the lashes and brows.

Because the other ingredients are unknown, individuals with a history of allergies should first perform a skin sensitivity test first prior to using this serum.

The application of Mary Kay Lash & Brow Building Serum is the same as other eyelash growth products. Before applying the serum, wash your face first with warm water and soap, taking care to remove all makeup, especially mascara and those cosmetics used in the eye area.

Make sure also that you remove your contact lenses. Using the tip of the accompanying applicator brush, take just a small quantity of the serum and then draw a thin line of it along the lash line. If you also have problems with your eyebrows, apply serum directly to your brows, following the direction of the growth of the brow strands.

According to the manufacturer, you can expect to see results within 30 days/1 month.

Price of Mary Kay Lash

Mary Kay Lash & Brow Building Serum is a bit pricey, costing $36  $16 per fluid ounce. Nevertheless, for the sake of science, I decided to put the serum to the test.

First of all, be careful when you apply the product because it can sting your eyes. During my first application, I got some of it into my right eye so that I ended up having to flush the serum out with water.

I didn’t observe any significant changes in my eyelashes until the third week.

At this time, my lashes were definitely thicker. Since I’m prone to lash fall out, I noticed that there were no eyelashes on my pillow, a good indication that my lash strands are stronger than they were before.

On the fifth week (Yes, past the 30 days promised), I observed that my lashes were not just thicker; they were also longer. Although it was not promised by the manufacturer, I was happy to see the extra growth in my lashes.

What I consider to be the downside of this product is that, once I ran out of serum, my eyelashes gradually reverted back to the state they were in before. Because it is rather costly, I don’t think I can be able to maintain continuous use.

Still if you want a product that does work, I highly recommend Mary Kay Lash & Brow Building Serum.

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