I tried every product from Selena Gomez's Rare Beauty line. Here are the items I'm permanently adding to my makeup routine.

The $26 water-based primer is said to smooth, hydrate, and illuminate skin without being sticky. It's also made without silicones, which can clog pores and cause breakouts.

When I first tested the product on my hand, I could immediately see how it's infused with ultra-fine pearls that give it a glowing finish.

As the Rare Beauty website suggests, I applied two pumps of the primer across my face before using foundation and concealer. The product quickly gave my skin a pearlescent glow, and also created a tacky — yet non-sticky — base for my makeup.

While I typically like to wear foundation to conceal my redness and acne scars, I could easily see myself wearing this primer on its own during a no-makeup day.

According to the Rare Beauty website, the $29 foundation is meant to feel weightless, breathable, and like your own skin. The product, sold in 48 shades, is also said to provide medium to full coverage, even your skin tone, conceal pores, and last all day.

The product is packaged in a matte, transparent bottle with a round, screw-top lid. On Twitter, many fans have praised Gomez and Rare Beauty for the packaging design, as the ball on top helps those with arthritis — including Gomez herself — to open the product.

Rather than utilizing a pump, the foundation also features a thick, doe-foot applicator.

The $14 sponge is diamond-shaped on top, flat on each side, and rounded on the bottom. Rare Beauty recommends that users wet the sponge before using it.

There's also the $28 brush, which is made from "patent-pending vegan-fiber technology." The brush's marquis shape is said to blend foundation without causing streaks, as it "mimics the shape and bounce of your fingertip."

Rare Beauty says its foundation is "serum-like," and I agree with that description. Its liquid formula melted into my skin, and overall felt pretty lightweight — albeit a touch greasy and slippery when first applied (I've found that it dries down nicely after a few minutes of wear).

With approximately two layers, I could achieve a shining base across my forehead and cheeks. On my chin and neck, however, I noticed that the foundation doesn't fully conceal my acne. Instead, it seemed to enhance my scarring and dry patches.

I also found its doe-foot applicator easy to use, though I worry that it might collect bacteria over time.

In terms of tools, I like how both the brush and sponge apply the foundation. The latter product is much more porous than other sponges I've used and creates a smooth, no-makeup makeup look. The brush is also nice, though comparable to others on the market and not necessarily worth $28, in my opinion.

Overall, I really like this foundation for minimal-makeup days, though I'm not sure I'd recommend it to people looking for everyday, full-coverage wear.

At $19 per bottle, the concealer is said to hide blemishes, dark circles, redness, and fine lines without creasing or caking. Like Rare Beauty's foundation, its meant to provide medium coverage that's buildable.

Also like the foundation, Rare Beauty's concealer features a doe-foot applicator, and is packaged in a small, matte bottle with a round cap.

Rare Beauty's concealer in shade 130N blended nicely into my skin, and did a good job of brightening my under-eye area. It also helped to mask the blemishes across my chin and neck, which were still slightly visible after applying the brand's foundation.

I especially liked using Rare Beauty's $16 concealer brush to apply the product, as it's the perfect size and shape. Unfortunately, the concealer did settle into lines underneath my eyes pretty quickly, though it held up well across the rest of my face throughout the day.

The $22 double-ended product features a triangular-shaped brow pencil on one side, and a tinted brow gel on the other. According to Rare Beauty, the product is meant to be buildable.

In my experience, the pencil end of this product was extremely soft and melted into the skin, therefore making it difficult to slowly build up its color on my brows. I did, however, enjoy the convenience of having a tinted gel attached on the opposite end.

The product is just fine, but, in my opinion, it could easily be replaced by similar products from the drugstore.

The eyeliner pen retails for $19, and is currently sold in a single shade: matte black. Rather than featuring a felt tip, it's packed with 1,000 vegan bristles that are said to create "easy, precise lines."

The product is also said to last throughout the day without fading, feathering, or flaking.

I have hooded, oily eyelids, so I first applied eye-shadow primer and a layer of eye shadow to prepare for the liner.

Overall, I was impressed by how thin a line the bristled tip on this eyeliner could achieve — it applied beautifully in my inner corner, and also flicked nicely into a wing.

Over the course of a day, the liner stayed put across my eyelids, and looked as though I'd just applied it. The only gripe I had with this product is that it's almost too long-lasting, and I had trouble removing it at the end of the day.

Each blush from Rare Beauty retails for $20. There are currently eight shades available in a mix of matte and dewy finishes, all of which are said to provide pigmented, long-lasting color with just a tiny bit of product.

Over the course of a week, I tried four of the shades. From top to bottom, there's Bliss (matte), Joy (dewy), Happy (dewy), and Grace (matte).

Rare Beauty's blushes are extremely pigmented, buildable, and long-lasting. I'm a huge fan of the shade Bliss, though I also really enjoy the three other colors I've tried.

Because the blushes are a liquid formula, I've found that I get the most manageable color by tapping my finger on the doe-foot applicator, and then spreading just a single dot or two of the product — depending on how much color I want — across each cheek.

Rare Beauty's liquid highlighters retail for $22 per bottle, and are said to be buildable, long-lasting, and blendable with other makeup. The brand sells eight shades at the time of writing; I tried the four lightest.

From top to bottom, there's Enlighten, Enchant, Outshine, and Mesmerize.

Rare Beauty's liquid highlighters are perfect for achieving a natural radiance. I've tried applying them with both my fingers and the brand's sponge, and have found that I prefer the latter method to create a brighter shine.

Unfortunately, I'm disappointed in how these highlighters sit atop the brand's foundation and concealer. In my experience, applying the liquid highlighter lifts the base products I apply earlier, creating streaks and smudges that I then have to fix.

Still, I'd highly recommend these highlighters to be worn alone on the skin, or on top of a tackier foundation.

These air-whipped lipsticks are sold in 12 shades, and retail for $20 each. Rare Beauty's website says the products provide "full color," and therefore make lips look "fuller, smoother, and more plump."

I tried the shades Energize, Inspire, Heroic, Brave, Courage, and Daring.

These lipsticks perfectly compliment the rest of Rare Beauty's products. They're less intense — and much more comfortable — than your standard liquid lipstick, though they still provide enough color to make a statement.

I personally enjoyed the cake-like scent of the lipsticks, as well as the whipped texture, which made my lips feel soft and smooth throughout the day. My personal favorite shades are Inspire, Heroic, and Brave.

Courage, Daring, and Energize are also pretty, in my opinion, though they're a bit more sheer than the lipsticks I prefer to wear.

The lip balms retail for $16, and are said to moisturize your lips, provide sheer color, and not feel greasy. At the time of writing, there are eight shades available, of which I tried four: Thankful, Praise, Blessed, and Honor.

The lip balms are also packaged in sleek, cream-colored tubes that look high-end. Still, they don't snap shut, so I worry they might open if thrown into a purse or makeup bag.

Like other items from Rare Beauty, these lip balms provide the perfect balance of color, shine, and moisture. They're smooth on the lips, and last much longer than you might expect — they only started to dissipate after eating, in my experience.

And with a bright pigment, they would be perfect to wear in winter when I want to moisturize my chapped lips but also add some color.

Still, they're $16 each, and I personally can't justify spending that much on a lip balm when brands like e.l.f. Cosmetics, Burt's Bees, and Revlon sell similar items for nearly a quarter of the price.

The $24 spray is said to be multipurpose: It calms the skin, primes the face, and keeps your makeup fresh, according to Rare Beauty. My makeup didn't seem to last longer when I sprayed it on top, though I did enjoy the mist's earthy scent. I also preferred using it on no-makeup days when I wanted to cool down.

And while I was excited to try the $26 touch-up kit, I wasn't all that impressed by its results. Sure, it's blotting sheets remove excess oil, but I don't notice any major difference after using the pre-filled powder puff.

In all honesty, it's a bit difficult to achieve the full-coverage, glam look I typically strive for with Rare Beauty's current range — but that's okay. After testing each item from the line, it's clear to me that the brand was created to help people enhance their natural features rather than create new ones.

In my opinion, Rare Beauty offers products that will help you achieve just that. On my minimal-makeup days, for example, I'll be reaching for the brand's foundation, concealer, and highlighter. As for my everyday routine, I'll be incorporating the primer, blush, lipstick, concealer brush, and eyeliner.

Of course, it's easy to lump Rare Beauty in with every other celebrity-owned makeup line out there, but in my opinion, this brand really does hold its own in an oversaturated industry.

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• This is an opinion column. The thoughts expressed are those of the author(s).