Thicken your Eyelashes: Top 10 Products [2021]

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Thickening your lashes is a problem that millions of women (and men!) face every day.

For this reason today we will see the best products to thicken the eyelashes , both among the stimulating serums for eyelashes, and among the aesthetic products such as mascaras for eyelashes.

To understand how to thicken your lashes, we will learn about the life cycle of the lashes themselves. So, we will see the best products divided by category.

Let’s begin!

Eyelash thickening: the growth cycle

The eyelashes grow at the edge of the eyelids. If we look closely at the upper eyelid we notice that the lashes implant on the free margin in two or three order, and their number is between 150 and 200, practically double the number of the lower eyelid lashes.

Like all hair in the human body, eyelashes are a biological polymer, of which 10% is water and the remaining 90% are proteins, such as keratin and melanin, substances that determine their color. They are fed by the follicles , located under the skin, which have three stages of development.

  • Growth phase, which lasts about 45 days
  • Declination phase, lasting about three weeks
  • Rest phase, about two weeks, during which the lashes fall out.
how to grow eyelashes
The thickening of the eyelashes directly depends on the rate of regrowth (and fall) of the eyelashes themselves.

After this period, a new cycle begins and the lashes are regenerated.

How to thicken and strengthen the lashes?

The nfoltire and strengthen the lashes is not always easy, especially if you have light or thin eyebrows eyelashes. Moreover, stress and excessive use of often aggressive cosmetics weaken them, leaving them sparse and drained.

Unfortunately, certain types of eyelash mascara, especially waterproof ones, can contribute to worsening the hydration of the eyelashes, if used excessively.


There are some ingredients that we find cyclically in eyelash serums and eyelash thickening products. One of these is olive oil , which gives strength to the lashes, protecting them and making them stronger.

Almond oil also has a nourishing power, which can help stimulate regrowth. Finally, we will also often find castor oil , a very rich source of vitamin E, which also contains proteins and fatty acids that nourish the eyelashes and stimulate circulation in the area where it is applied.

The aloe vera plant is also rich in enzymes and nutrients that cleanse hair follicles, so growth will be stimulated and lashes will grow thicker.

Other always useful ingredients are essential oils such as coconut, argan and jojoba, precisely with the aim of strengthening and promoting growth.

How does a good eyelash serum / oil work?

We have already seen the best eyelash serums to stimulate growth.

We will see some of them again today, in the standings.

The main function of an eyelash serum or oil is to stimulate the follicles which tend to thicken resulting in a thickening effect on all lashes.

revitalash eyelash serum
Revitalash eyelash thickening serum results

Eyelashes generally grow and lengthen for about six weeks, then, once the “resting phase” is over, they begin to fall out spontaneously. Using the serum , the growth phase is prolonged and, at the same time, a greater thickness of the stem is stimulated.

A good serum ensures a luminous look even without the use of mascara, thanks to the peptides that we find in its composition, which make the eyes appear in all their natural beauty.

To obtain an optimal result, the application should be daily, better in the evening, before going to bed, without overdoing it and using little product. The mix of vitamins, essential oils and peptides that are applied to the eye are usually well tolerated, but don’t overdo it.

The effect of the serum is not affected by cosmetic products or makeup, and the first effects are visible after about 4-5 weeks. Very similar to eyeliner in shape , the serum differs from mascara for an intense reparative action, which involves the lashes from the inside and with lasting results over time.

Is eyelash mascara bad for the skin?

Most of us regularly use mascara, by far the best-selling cosmetic. But what is its composition? Today the formulas are different from each other, but united by the presence of water and pigments.

mascara thicken eyelashes

In the majority there are natural dyes and inorganic pigments, and in today’s formulations we find an emulsion of oils, waxes and water.

Beeswax and carnauba wax are among the most used, they increase the grip of the mascara and give the thickened lash effect. The oils, on the other hand, are eucalyptus, lanolin, mineral oils, linseed, castor oil, which nourish the eyelashes with the aim of accelerating their growth.

A low quality synthetic mascara may not be the best for the skin. More than hurting or harmful, it can lead to slight intolerances , not pleasant for the most sensitive skin .

Conversely, different mascaras contain different nutrients , acting as a healing substance. The most interesting ingredients to look for are the amino acids of silk , increasingly used due to its highly moisturizing action.

Their chemical composition is that naturally present in hair and skin. They strengthen the lashes themselves, making them thicker and stopping the fall. In addition, they have strong water retention properties, which prevent dehydration of the lashes.

A mong the ingredients to look for in a mascara to lashes are arginine, ceramides, panthenol, keratin: valid active ingredients that strengthen the lashes. Argan oil is also widely used, as it strengthens the bulbs, counteracting excessive fall of the eyelashes (as in serums). It is rich in vitamin E, which nourishes, hydrates and regenerates, especially if you have weak and thin eyelashes.

Camellia oil and olive oil are restructuring and biotin promotes growth. The composition of eyelash mascaras is completed by a series of ingredients necessary to improve the texture and application.

In any case, always remember to clean the entire area treated with mascara with a good biphasic make-up remover , in order to leave the skin free from make-up at least during the night.

Mascaras are not all the same and to choose the right one you have to take into account the applicator. Let’s not forget that according to the function of the mascara, the brush must be associated with precise cosmetic ingredients. It is important to know that each brush contained in the mascara corresponds to an aesthetic need:

  • Thin brush , suitable for short lashes, because it combs them lengthwise, making them longer.
  • Full brush , rich in bristles, suitable for thickening the lashes. Being rich in thickening waxes, it is perfect for those looking for volume.
  • Curved brush , with arch shape, typical of curling mascara, suitable for straight lashes that must be directed.


We have understood the fundamental concepts in choosing a product to thicken the lashes.

Now let’s see the 5 mascara ( aesthetic result ) and the 5 serums ( follicle stimulants ): the TOP among the products to thicken the eyelashes!

Mascara to thicken the eyelashes: the 5 TOP

10. L’Oréal Paris – Faux Cils Superstar

thicken-eyelashes-Faux-Cils-loreal A very famous mascara for lash thickening and good value for money is that of L’Oreal. It consists of 2 steps that give a full-bodied volume and allow the lashes to appear elongated to the extreme.

The packaging is very nice and practical and has two different types of pipe cleaners. Step 1 has a rather creamy texture and looks like a white base, which gives the lashes volume and length. The brush is shaped in such a way as to detangle and comb eyelashes after eyelashes, even the smallest and most difficult to reach, spacing them apart in such a way as to obtain a perfect and homogeneous effect.

Step 2 is applied immediately after passing the white base, and in this way the lashes, pass after pass, become more and more voluminous.

The secret is to use little product in both steps, spread the pigments well and wait for them to dry perfectly before applying the mascara. In the second step, the ultra-black pigments coat the lashes with an intense black, making them voluminous and shiny. This brush creates a curvature and a distension towards the outside.

This lash-thickening mascara has excellent durability, lasts from morning to night without crumbling and, importantly, it is not difficult to remove and does not irritate the eyes. Ideal for those with thin eyelashes.

That said, it’s a mascara that may be a bit dry for some, so not everyone might like it. Personally I find it very good, in any case.

L’Oréal Paris – Faux Cils Superstar – Price: 15.80 euros

9. Poppy Austin – Organic Vegan Mascara

thicken-lashes-poppy-austin-mascara Poppy Austin is a US brand that has a “family” mold and careful attention to products. We are talking about a natural, vegan mascara formulated to respect the skin.

Argan oil is the trademark of this product, patented and known all over the world. Vegan and Organic Mascara is a 100% natural product, made with hand-harvested argan oil and sustainably using the fruits of the argan tree, found in Morocco.

This wonderful oil contained in Poppy Austin’s vegan mascara is very delicate and natural , it moisturizes and nourishes, preserving the essential nutrients for thicker, smoother and more silky lashes. The mix of botanical oils allows you to revitalize, refresh and nourish each lash, from root to tip.

Provides reliable 24 hour coverage, and is smudge, lump and stain proof. It is a volumizing and lengthening mascara and the bristle brush defines and manages to perfectly curl even the smallest lashes.

But let’s not expect a wow effect, to take your breath away. Perhaps expectations could remain disappointed, but this type of mascara can be defined as “curative”, since the composition guarantees a real treatment on the lashes, which are defined and lengthened, but above all nourished and hydrated.

Used continuously, it can lead to great improvements, especially in the case of delicate eyelashes. The packaging is elegant, and comes in a transparent plastic container, through which the product can be seen.

The spiral brush makes it easy to apply, and thanks to the light texture it can be layered several times, without creating problems. It does not irritate the eyes and is easily removed. Hypoallergenic and made with natural, gentle and non-irritating ingredients, it can be used safely even with contact lenses .

Poppy Austin – Vegan Organic Mascara – Price: 16.49 euros

8. Clinique – Chubby Lash

clinique mascara thicken-lashes Clinique is a very famous American brand that over time has specialized in the creation of hypoallergenic and fragrance-free cosmetics.

Chabby Lash Fattening is one of the most popular mascaras, capable of transforming lashes from fine to thick. Hypoallergenic and fragrance-free, it is formulated without oil, parabens and phthalates, and is specific for all skin types, even the most sensitive. Thanks to a large and effective brush, it can reach all lashes, even the smallest, creating a voluminous, extra black , yet comfortable look.

The bristles are made of silicone and separate the lashes very well, allowing you to apply the right amount of product and applying make-up is easy, fast and precise. The effect of this mascara is great, it makes the lashes long, voluminous and is great for those with delicate eyes.

The texture is rather liquid, but you have to be patient and let it dry , otherwise you risk having an effect with small lumps. Being a rather delicate product it can be reapplied several times to create bold and sophisticated finishes.

In this way, volume and desired lash length are obtained, with a lasting effect for several hours, an intense and effective black color thanks to the polymers included in the composition, which define the curl and extend the lashes.

Furthermore, once applied, the product dries quickly without flaking or smudging on the eyelids. The main ingredients are carnauba wax , which nourishes the lashes with each application and panthenol , which moisturizes the lashes from root to tip.

Not being a waterproof product, it can be removed with a normal make-up remover, which means not stressing the lashes. It does a great job, as well as being particularly delicate. A great product.

Clinique – Chubby Lash – Price: 23.00 euros

7. Lancome – Hypnose Doll Eyes

lanceal thicken products as mascara Lancome Hypnose Doll is a cosmetic that guarantees volume and thickening of the lashes of the highest level. It is an innovative formula, which covers even the innermost lashes, without weighing them down.

A top product for those looking for elongated, voluminous eyelashes capable of lasting all day. With the new applicator patented by Lancome, the mascara envelops every single eyelash , without weighing it down and ensuring a perfect application, even to those innermost to the eye.

The texture is soft and smooth, enriched with nylon fibers and powder, giving a perfect curve for luscious and sensual lashes. The cone applicator, wide at the base that tapers towards the tip, allows a clean and precise application of the product, thickens and lengthens and this mascara truly gives a “big eyes effect” volume.

In this way the narrow tip allows you to reach the most difficult corners without smudging, while the wide base helps to thicken, so the result you want to obtain is super-modular, depending on your needs. It comes in 3 shades, black, brown and intense black, guarantees excellent performance and smells of rose in a very delicate way.

The brush collects the right amount of product, spreads very well, does not stick, dries immediately and only one application is enough to obtain an excellent result .

But the results are even more intensified when you apply 2-3 coats of mascara. Formulated with carnauba wax, jojoba oil and gum arabic, which facilitate the sliding of the brush on the lashes without any effort, envelops and curves them pass after pass, without weighing them down.

The product is dermatologically and ophthalmologically tested, and is recommended for those who use contact lenses and glasses. A product that is a bit expensive, like many Lancomes, but it manages to guarantee superior quality lash thickening .

Lancome – Hypnose Doll Eyes – Price: 29.90 euros

6. Collistar – Single Volume Mascara

collistar-mascara-thicken-lashes Collistar Mascara Volume Unico comes with an impressive packaging, characterized by a golden plating that makes this mascara a real object of desire.

The formulation is based on peptides and panthenol , which restructure the lashes from the inside (the peptides stimulate the growth of the bulb) and waxes with different melting points, which allow to modulate the application of mascara, being able to repeat it until obtaining the desired volume.

In this way, volume and curvature can be adjusted at will, up to obtain customized lashes. It is a delicate mascara, the texture is light and does not weigh down the lashes, it is suitable for sensitive eyes and contact lens wearers, and it holds the pose very well during the day, remaining intact for hours .

The Collistar Single Volume mascara performs a double action, ultra-volumizing, flowing fluid between the lashes without creating lumps and without dirtying the eyelid, and thickening, as it nourishes and strengthens the lashes use after use.

The brush is the extra gear of this mascara, since it is formed by different bristles on both sides of the brush, on the one hand they give shape to the eyelashes, on the other they spread the color. In this way they ensure an even distribution of the mascara , without lumps or smudges, and the product flows fluidly between the individual lashes, from root to tip. The result is an instant increase in volume.

The lashes, coated with mascara, are thicker, thicker and more consistent from the first draft and are perfectly separated and volumized. The black shade is intense and very bright and intensifies the look already with the first draft, but it is a buildable mascara and the color increases step by step, until the desired effect is obtained.

It is not easy to remove make-up, but with a good make-up remover the problem is solved. I recommend trying it, to experience an intense, nourishing treatment, capable of thickening and lengthening the lashes.

Collistar – Single Volume Mascara – Price: 19.90 euros

Stimulants in serum to thicken the eyelashes: the 5 TOP

5. Starlash – Eyelash Serum

Let’s move on to stimulants for eyelash growth and thickening.

Yris Palmer founded StarLash, which has become a pioneering eyelash brand created to provide eyelash professionals with a high quality product.

StarLash Eyelash Serum is made with natural ingredients, free from perfumes and parabens, which improve eyelash growth and increase the thickness, volume and density of lashes and brows.

The mix of active ingredients provides the right nutrients, among which we find keratin , a protein that makes eyelashes healthy and vigorous, and allantoin , a precious molecule that promotes cell stability and resistance. The key ingredient is panthenol , with moisturizing and volumizing properties.

Panax ginseng and calendula root extract stimulate blood circulation , provide nourishment and strengthen the roots of eyelashes and eyebrows, making them shiny and shiny. Ginko biloba extract helps prevent hair loss, reactivates circulation and increases the irrigation of hair follicles.

The positive effects of this serum occur after a few weeks of daily use of the product. Therefore it is important to use StarLash as part of a daily treatment, so that the natural active ingredients can heal the lashes starting from the roots.

My advice is to use this eyelash thickening serum 3-4 times a week. The texture is very light and odorless and it is a product that can be used by people who use contact lenses, although it is always better to avoid the serum coming into contact with the eyes.

That’s why it should not be used for the lower lashes , just to avoid annoying irritation. While it works well for the eyebrows. I recommend using it in the evening, before going to bed: in this way the serum acts longer and the effect increases.

True, it is not among the most powerful serums for eyelash re-thickening stimulation, but for the price at which it is offered, it remains an interesting solution in my opinion.

Starlash – Eyelash Serum – Price: 29.90 euros

4. Poppy Austin – Vegan Enhancing Serum

austin poppy lash thickening products Poppy Austin Eyelash Serum is a product designed to thicken, volumize, hydrate and repair lashes and brows.

Among the products to thicken the eyelashes, this is certainly at least worth mentioning. It is an organic, natural and vegan serum, with attention to every detail even in the packaging. To apply the serum Austin chose a soft mascara head of traditional dimensions, precisely to avoid unnecessary waste of product and energy.

The formula of this eyelash and eyebrow thickening serum is a concentrate of vitamins, antioxidants and essential fatty acids, essential to nourish every hair follicle, immediately making the lashes lengthened and thickened, obtaining greater volume.

Austin uses the exclusive Naturego vegan lengthening complex, based on biotin, castor oil, argan oil, caffeine, vitamin E and aloe vera. This is possible because the natural ingredients nourish the hair follicles and the skin of the eyelid, stimulating regeneration. To take full advantage of its excellent qualities, this serum must be used for at least three months , applying it every night before going to sleep and after having completely removed make-up.

Once the desired effects are achieved, it can be applied 2-3 times a week. Given the excellent quality of the product, it is a serum that can also be used with contact lenses and applied as a treating primer before mascara.

It is a delicate and natural serum, suitable for those looking for a plant-based and non-aggressive stimulant on the skin. Absolutely, one of the best products to thicken the lashes for value for money.

Poppy Austin – Enhancing Serum Vegan – Price: 29.00 euros

3. M2 Beautè – Eyelash Activating Serum

m2-beaute-serum-eyelash-thicken M2 Beaute is a German brand that produces beauty products supported by biochemical and medical research. They are products free of hormones, parabens and synthetic dyes.

These are always dermatologically tested products, with excellent skin tolerance. Among the best sellers of this brand we find Eyelash Activating Serum, an activating serum that stimulates eyelash growth by almost 50%.

With constant use, the results are visible after about two months, and the lashes appear longer, thicker and the fall is much slower. It is a powerful serum, which thanks to the highest quality ingredients and combined with nourishing components, strengthens and stimulates the roots of both active and inactive hair bulbs of the eyelashes, so as to prolong the growth phase and delay their early fall .

A minimal amount of product is sufficient, which must be applied once a day on the perfectly dry and greasy upper eyelid.

The fine tip of the brush allows for precise application, close to the root. Let it act for a few minutes, then you can use your personal cosmetic products.

Let’s talk about the ingredients. The active ingredient MDN (prostaglandin) is used to stimulate the eyelash bulb, and it stimulates the lengthening and thickening. Biotin is vitamin B, which contributes to the strengthening of eyelashes and their growth. Hyaluronic acid is responsible for the healthy appearance and elasticity of the lashes, while provitamin B5 is anti-inflammatory and regenerating. Arginine stimulates and nourishes the follicle and skin.

M2 Beaute is objectively a treatment of the highest level, targeted for advanced eyelash growth and thickening.

It does not irritate those who wear contact lenses and is designed not to irritate in any case. The only disadvantage is the very high price.

I also find it wonderful to give as a gift, given the very elegant packaging. It will always be appreciated!

M2 Beautè – Eyelash Activating Serum – Price: 90.00 euro

2. RevitaLash – Advanced

RevitaLash Cosmetics is an American company that has been on the market for twenty years, and started with just one product, the award-winning Advanced Lash Serum, one of the best-selling eyelash replenishment serums in the world.

Curious is the story behind this serum, which was created by an American doctor to help his wife feel more beautiful during her courageous battle against breast cancer.

An entire collection of unique, effective and revitalizing cosmetics was born from the eyelash serum. The technology of this serum is patented and scientifically proven, and is based on peptides, lipids, biotin and green tea extract, and panthenol.

There are extracts of ginseng and Swertia Japonica, rich in antioxidants and vitamin B, which strengthen the lashes and protect them from fragility and breakage. Thanks to the complex of active ingredients, the hair bulb is strengthened and supported in growth. According to some studies, the application helps the eyelashes to grow up to 25% more .

Many people have noticed noticeable improvements right away, even if the time to obtain significant results is around two months.

It is a serum that has become famous for its ability to make lashes grow in a concrete and effective way. The eyes acquire a healthy and natural appearance, so frequent application of mascara can be avoided.

It should be applied in the manner indicated, every day for two months, then the serum can be applied once every two days to maintain its full effect.

It looks like an eyeliner-type brush, but let’s remember that it must be applied on the lash line, that is where the lashes come from, so it must not come into contact with the eyelid.

The serum is a transparent and viscous substance and is preferably applied in the evening, on a perfectly cleansed face, and just a light brush stroke, which is left to dry for a few moments. Remember that oil-based make-up removers can leave a light film on the lashes, which creates a barrier that prevents the serum from penetrating. It is therefore important to remove any residue.

It can give a slight tingle at first, which however is resolved quickly and does not create allergy problems to the skin and eyes. RevitaLash is a product that is as famous as it is effective. Unfortunately it is quite expensive, but the 3.5ml vial will safely last 3-4 months.

RevitaLash – Advanced – Price: 95.00 euros

1. Orphica – Realash

orphica realash eyelash serum Orphica Realash is a very famous serum made in France, indicated to stimulate the growth and thickening of eyelashes. It is used successfully for lashes that are particularly short, weak or damaged by extensions, or false lashes.

It is a multi-tested treatment, which does not cause irritation, allergies or changes in the color of the iris, suitable for sensitive eyes and for contact lens wearers. The serum regenerates the lashes in a rather short period, where the final results are visible after 30 days , but the first positive results can be seen after two weeks.

It is a serum that naturally lengthens the lashes, makes them thick and full-bodied, gives shine and is a valid substitute for mascara. Inside we find nanopeptides with active amino acid molecules , horsetail extract, which gives elasticity, calamus extract, with an anti-inflammatory action and source of vitamin E, extracts of calendula and flax flowers, with regenerating action and preventive action for dryness of the skin.

We know that the growth phase of the lashes takes about 30 days, so the time is rather limited for them to become long and thick. The composition of Realash accelerates natural growth and strengthens the lashes at the root, and also prevents them from falling out.

To optimize the potential, the serum is used once a day, preferably in the evening after removing make-up from the face, and with the brush, the enhancer is applied to the lash line of the upper eyelid. This treatment must be applied for the entire recommended period, but if we want to maintain lasting results, constant maintenance must be followed , about 2-3 times a week .

It remains one of the top products in the world, one of the most interesting to effectively and “energetically” stimulate the growth and thickening of the eyelashes in the shortest possible time . Unlike the Revitalash, it is a bit more aggressive.

Orphica – Realash – Price: 67.00 euros

So here is everything you need to know when choosing the best products to thicken your lashes.

Doubts or questions? Find me in the comments .

See you soon!


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